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id=\"32.Redis%E4%B8%AD%E6%9C%89%E4%B8%80%E6%89%B9key%E7%9E%AC%E9%97%B4%E8%BF%87%E6%9C%9F%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%85%B6%E5%AE%83key%E7%9A%84%E8%AF%BB%E5%86%99%E6%95%88%E7%8E%87%E4%BC%9A%E9%99%8D%E4%BD%8E%EF%BC%9F-toc\" style=\"margin-left:0px;\">32.Redis\u4e2d\u6709\u4e00\u6279key\u77ac\u95f4\u8fc7\u671f\uff0c\u4e3a\u4ec0\u4e48\u5176\u5b83key\u7684\u8bfb\u5199\u6548\u7387\u4f1a\u964d\u4f4e\uff1f<\/p>\n<p id=\"33.Redis%E7%9A%84zset%E5%BA%95%E5%B1%82%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E6%98%AFhash%EF%BC%8C%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E6%98%AF%E8%B7%B3%E8%A1%A8%EF%BC%9F-toc\" style=\"margin-left:0px;\">33.Redis\u7684zset\u5e95\u5c42\u4ec0\u4e48\u65f6\u5019\u662fhash\uff0c\u4ec0\u4e48\u65f6\u5019\u662f\u8df3\u8868\uff1f<\/p>\n<p id=\"34.Redis%20%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%8C%E5%BA%95%E5%B1%82%E5%AE%9E%E7%8E%B0%E9%83%BD%E6%98%AF%E4%BB%80%E4%B9%88%3F-toc\" style=\"margin-left:0px;\">34.Redis \u6570\u636e\u7ed3\u6784\u6709\u54ea\u4e9b\uff0c\u5e95\u5c42\u5b9e\u73b0\u90fd\u662f\u4ec0\u4e48?<\/p>\n<p id=\"35.Redis%20%E7%83%ADkey%20%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%8C%E6%9C%89%E4%BB%80%E4%B9%88%E9%97%AE%E9%A2%98%EF%BC%8C%E6%80%8E%E4%B9%88%E5%8F%91%E7%8E%B0%EF%BC%8C%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%3F-toc\" style=\"margin-left:0px;\">35.Redis \u70edkey \u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u600e\u4e48\u53d1\u73b0\uff0c\u600e\u4e48\u89e3\u51b3?<\/p>\n<p id=\"36.Redis%20%E4%B8%AD%E5%BA%95%E5%B1%82%E6%98%AF%E8%B7%B3%E8%A1%A8%E7%BB%93%E6%9E%84%EF%BC%8C%E9%82%A3%E4%B9%88%E6%8F%92%E5%85%A5%E5%92%8C%E6%9F%A5%E8%AF%A2%E4%B8%80%E4%B8%AA%E6%95%B0%E7%9A%84%E6%B5%81%E7%A8%8B%E5%A6%82%E4%BD%95%EF%BC%9F%E5%A6%82%E6%9E%9C%E6%98%AF%E5%8D%95%E4%BD%8D%E6%9F%A5%E8%AF%A2%EF%BC%8C%E6%B5%81%E7%A8%8B%E5%8F%88%E6%98%AF%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E7%9A%84%EF%BC%9F-toc\" style=\"margin-left:0px;\">36.Redis \u4e2d\u5e95\u5c42\u662f\u8df3\u8868\u7ed3\u6784\uff0c\u90a3\u4e48\u63d2\u5165\u548c\u67e5\u8be2\u4e00\u4e2a\u6570\u7684\u6d41\u7a0b\u5982\u4f55\uff1f\u5982\u679c\u662f\u5355\u4f4d\u67e5\u8be2\uff0c\u6d41\u7a0b\u53c8\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/p>\n<p id=\"%E5%8F%82%E8%80%83%E4%B9%A6%E7%B1%8D%E3%80%81%E6%96%87%E7%8C%AE%E5%92%8C%E8%B5%84%E6%96%99-toc\" style=\"margin-left:0px;\">\u53c2\u8003\u4e66\u7c4d\u3001\u6587\u732e\u548c\u8d44\u6599<\/p>\n<hr id=\"hr-toc\">\n<p>\u5907\u6ce8\uff1a\u9488\u5bf9\u57fa\u672c\u95ee\u9898\u505a\u4e00\u4e9b\u57fa\u672c\u7684\u603b\u7ed3\uff0c\u4e0d\u662f\u8be6\u7ec6\u89e3\u7b54\uff01<\/p>\n<p><strong>Redis\u662f\u57fa\u4e8e\u952e\u503c\u5bf9\uff08key-value\uff09\u7684NoSQL\u6570\u636e\u5e93\uff0c\u5176\u4e2d\u952e\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\uff0c\u503c\u7531\u57fa\u672c\u76845\u79cd\u6570\u636e\u7ed3\u6784\u7ec4\u6210\uff0c\u5176\u4e2d\u8fd8\u5305\u62ec\u4e86\u4e00\u4e9bRedis\u57fa\u672c\u7684\u9644\u52a0\u529f\u80fd\uff0c\u5b83\u5c06\u6240\u6709\u7684\u6570\u636e\u90fd\u5b58\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u6781\u5927\u589e\u52a0\u8bfb\u5199\u6027\u80fd\u3002<\/strong><\/p>\n<p id=\"Redis%E5%8F%97%E9%9D%92%E7%9D%90%E7%9A%848%E5%A4%A7%E7%89%B9%E6%80%A7%E5%8C%85%E6%8B%AC%E4%BA%86%EF%BC%9A\"><span style=\"color:#be191c;\"><strong>Redis\u53d7\u9752\u7750\u76848\u5927\u7279\u6027\u5305\u62ec\u4e86\uff1a<\/strong><\/span><\/p>\n<ul>\n<li>\u2460\u901f\u5ea6\u5feb---\u6240\u6709\u6570\u636e\u90fd\u5b58\u653e\u5728\u5185\u5b58 + \u7528C\u8bed\u8a00\u5b9e\u73b0 + \u5355\u7ebf\u7a0b\u67b6\u6784 + \u6e90\u4ee3\u7801\u591a\u6b21\u4f18\u5316\uff1b<\/li>\n<li>\u2461\u57fa\u4e8e\u952e\u503c\u5bf9\u7684\u6570\u636e\u7ed3\u6784\u670d\u52a1\u5668---\u5b57\u7b26\u4e32 + \u54c8\u5e0c + \u5217\u8868 + \u96c6\u5408 + \u6709\u5e8f\u96c6\u5408 + \u4f4d\u56fe + HyperLogLog + GEO\uff1b<\/li>\n<li>\u2462\u4e30\u5bcc\u7684\u529f\u80fd---\u6dfb\u52a0\u4e86\u989d\u5916\u76848\u5927\u8f85\u52a9\u529f\u80fd\uff1a\u652f\u6301\u4e8b\u52a1\u3001\u6d41\u6c34\u7ebf\u3001\u53d1\u5e03\/\u8ba2\u9605\u3001\u6d88\u606f\u961f\u5217\u7b49\u529f\u80fd\uff1b<\/li>\n<li>\u2463\u7b80\u5355\u7a33\u5b9a---\u6e90\u7801\u5f88\u5c11 + \u5355\u7ebf\u7a0b\u6a21\u578b + \u65e0\u9700\u4f9d\u8d56\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u7c7b\u5e93\uff1b<\/li>\n<li>\u2464\u5ba2\u6237\u7aef\u8bed\u8a00\u591a---\u7b80\u5355\u7684TCP\u901a\u4fe1\u534f\u8bae + Java\u3001php\u3001Python\u3001Ruby\u3001Lua\u3001Node.js&nbsp;\uff1b<\/li>\n<li>\u2465\u6301\u4e45\u5316---RDB + AOF\uff1b<\/li>\n<li>\u2466\u4e3b\u4ece\u590d\u5236---\u4e3b\u670d\u52a1\u5668\uff08master\uff09\u6267\u884c\u6dfb\u52a0\u3001\u4fee\u6539\u3001\u5220\u9664\uff0c\u4ece\u670d\u52a1\u5668\u6267\u884c\u67e5\u8be2\uff1b<\/li>\n<li>\u2467\u9ad8\u53ef\u7528\u548c\u5206\u5e03\u5f0f---Redis-Sentinel\uff08v2.8\uff09\u652f\u6301\u9ad8\u53ef\u7528&nbsp;+ Redis-Cluster\uff08v3.0\uff09\u652f\u6301\u5206\u5e03\u5f0f\u3002<\/li>\n<\/ul>\n<p id=\"Redis%E5%9F%BA%E6%9C%AC%E4%BD%BF%E7%94%A8%E5%9C%BA%E6%99%AF%E4%B8%BA%EF%BC%9A\"><strong><span style=\"color:#be191c;\">Redis\u57fa\u672c\u4f7f\u7528\u573a\u666f\u4e3a\uff1a<\/span><\/strong><\/p>\n<p>\u2460\u7f13\u5b58\uff1b\u2461\u6392\u884c\u699c\u7cfb\u7edf\uff1b\u2462\u8ba1\u6570\u5668\u7cfb\u7edf\uff1b\u2463\u793e\u4ea4\u7f51\u7edc\uff1b\u2464\u6d88\u606f\u961f\u5217\u7cfb\u7edf\u3002<\/p>\n<p id=\"Redis%E4%B8%8D%E5%8F%AF%E4%BB%A5%E5%81%9A%E7%9A%84%E4%BA%8B%EF%BC%9A\"><strong><span style=\"color:#be191c;\">Redis\u4e0d\u53ef\u4ee5\u505a\u7684\u4e8b\uff1a<\/span><\/strong><\/p>\n<ul>\n<li>&nbsp;&nbsp;\u6570\u636e\u89c4\u6a21\u89d2\u5ea6\u770b\uff0cRedis\u4e0d\u652f\u6301\u5927\u89c4\u6a21\u6570\u636e\uff08\u6bcf\u5929\u6709\u51e0\u4ebf\u7528\u6237\u884c\u4e3a\uff09\uff0c\u53ea\u652f\u6301\u5c0f\u89c4\u6a21\u6570\u636e\uff1b<\/li>\n<li>&nbsp;&nbsp;\u6570\u636e\u51b7\u70ed\u89d2\u5ea6\u770b\uff0cRedis\u652f\u6301\u70ed\u6570\u636e\uff0c\u4f8b\u5982\u5bf9\u89c6\u9891\u7f51\u7ad9\u800c\u8a00\uff0c\u89c6\u9891\u4fe1\u606f\u5c5e\u4e8e\u70ed\u6570\u636e\uff0c\u7528\u6237\u89c2\u770b\u8bb0\u5f55\u4e3a\u51b7\u6570\u636e\u3002<\/li>\n<\/ul>\n<h1 id=\"1.%E5%8D%95%E7%BA%BF%E7%A8%8B%E7%9A%84Redis%E4%B8%BA%E4%BB%80%E4%B9%88%E5%BF%AB%EF%BC%9F\">1.\u5355\u7ebf\u7a0b\u7684Redis\u4e3a\u4ec0\u4e48\u5feb\uff1f<\/h1>\n<p>Redis\u4e4b\u6240\u4ee5\u88ab\u8ba4\u4e3a\u662f\u5feb\u901f\u7684\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u5185\u5b58\u5b58\u50a8<\/span><\/strong>\uff1aRedis\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u662f\u78c1\u76d8\u3002\u7531\u4e8e\u5185\u5b58\u7684\u8bfb\u5199\u901f\u5ea6\u6bd4\u78c1\u76d8\u5feb\u5f97\u591a\uff0c\u56e0\u6b64Redis\u80fd\u591f\u63d0\u4f9b\u975e\u5e38\u5feb\u7684\u8bfb\u5199\u6027\u80fd\u3002\u6b64\u5916\uff0cRedis\u8fd8\u4f7f\u7528\u4e86\u4e00\u4e9b\u4f18\u5316\u6280\u672f\uff0c\u5982\u8df3\u8868\uff08Skip List\uff09\u548c\u54c8\u5e0c\u8868\uff08Hash Table\uff09\uff0c\u4ee5\u5728\u5185\u5b58\u4e2d\u9ad8\u6548\u5b58\u50a8\u548c\u68c0\u7d22\u6570\u636e\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5355\u7ebf\u7a0b\u6a21\u578b<\/span><\/strong>\uff1aRedis\u91c7\u7528\u5355\u7ebf\u7a0b\u7684\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u6309\u987a\u5e8f\u6267\u884c\uff0c\u4e0d\u9700\u8981\u5904\u7406\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u7ade\u4e89\u548c\u540c\u6b65\u95ee\u9898\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u5e26\u6765\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u9501\u51b2\u7a81\u7684\u5f00\u9500\uff0c\u4f7f\u5f97Redis\u7684\u6027\u80fd\u66f4\u9ad8\u3002\u6b64\u5916\uff0c\u5355\u7ebf\u7a0b\u6a21\u578b\u8fd8\u4f7f\u5f97Redis\u7684\u4ee3\u7801\u5b9e\u73b0\u66f4\u52a0\u7b80\u5355\uff0c\u6613\u4e8e\u7ef4\u62a4\u548c\u8c03\u8bd5\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u975e\u963b\u585eIO<\/span><\/strong>\uff1aRedis\u4f7f\u7528\u4e86\u975e\u963b\u585eIO\u591a\u8def\u590d\u7528\u673a\u5236\uff0c\u4f8b\u5982\u4f7f\u7528epoll\u6216kqueue\u7b49\u3002\u8fd9\u4f7f\u5f97Redis\u80fd\u591f\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\uff0c\u5e76\u5728\u5355\u4e2a\u7ebf\u7a0b\u4e2d\u9ad8\u6548\u5730\u5904\u7406\u8bf7\u6c42\u548c\u54cd\u5e94\u3002\u975e\u963b\u585eIO\u907f\u514d\u4e86\u4f20\u7edf\u7684\u963b\u585e\u5f0fIO\u5728\u7b49\u5f85IO\u64cd\u4f5c\u5b8c\u6210\u65f6\u7ebf\u7a0b\u88ab\u963b\u585e\u7684\u95ee\u9898\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u5e76\u53d1\u80fd\u529b\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u9ad8\u6548\u7684\u7f51\u7edc\u534f\u8bae<\/span><\/strong>\uff1aRedis\u4f7f\u7528\u81ea\u5df1\u5b9a\u4e49\u7684\u9ad8\u6548\u7f51\u7edc\u534f\u8bae\uff0c\u534f\u8bae\u7b80\u5355\u4e14\u5177\u6709\u8f83\u5c0f\u7684\u6570\u636e\u4f20\u8f93\u91cf\u3002\u8fd9\u4f7f\u5f97Redis\u5728\u7f51\u7edc\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5f00\u9500\u8f83\u5c0f\uff0c\u51cf\u5c11\u4e86\u7f51\u7edc\u4f20\u8f93\u7684\u5ef6\u8fdf\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u7684\u5355\u7ebf\u7a0b\u6a21\u578b\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u53d7\u5230\u6027\u80fd\u74f6\u9888\u7684\u5f71\u54cd\u3002\u7279\u522b\u662f\u5f53\u9047\u5230\u5927\u91cf\u8ba1\u7b97\u5bc6\u96c6\u578b\u7684\u64cd\u4f5c\u6216\u8005\u67d0\u4e9b\u64cd\u4f5c\u9700\u8981\u8f83\u957f\u65f6\u95f4\u5b8c\u6210\u65f6\uff0c\u4f1a\u5f71\u54cd\u5176\u4ed6\u8bf7\u6c42\u7684\u54cd\u5e94\u65f6\u95f4\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528Redis\u65f6\u9700\u8981\u6ce8\u610f\u5408\u7406\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u3001\u907f\u514d\u957f\u65f6\u95f4\u963b\u585e\u64cd\u4f5c\uff0c\u4ee5\u5145\u5206\u53d1\u6325Redis\u7684\u6027\u80fd\u4f18\u52bf\u3002<\/p>\n<h1 id=\"2.Redis%E6%94%AF%E6%8C%81%E7%9A%84%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">2.Redis\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\uff08\u5fc5\u8003\uff09<\/h1>\n<ul>\n<li><span style=\"color:#f33b45;\">String\u5b57\u7b26\u4e32:<\/span>\u5b57\u7b26\u4e32\u7c7b\u578b\u662f Redis \u6700\u57fa\u7840\u7684\u6570\u636e\u7ed3\u6784\uff0c\u9996\u5148<span style=\"color:#86ca5e;\">\u952e\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b<\/span>\uff0c\u800c\u4e14\u5176\u4ed6\u51e0\u79cd\u6570\u636e\u7ed3\u6784\u90fd\u662f\u5728\u5b57\u7b26\u4e32\u7c7b\u578b\u57fa\u7840\u4e0a\u6784\u5efa\u7684\uff0c\u6211\u4eec\u5e38\u4f7f\u7528\u7684 set key value \u547d\u4ee4\u5c31\u662f\u5b57\u7b26\u4e32\u3002\u5e38\u7528\u5728\u7f13\u5b58\u3001\u8ba1\u6570\u3001\u5171\u4eabSession\u3001\u9650\u901f\u7b49\u3002<\/li>\n<li><span style=\"color:#f33b45;\">Hash\u54c8\u5e0c:<\/span>\u5728Redis\u4e2d\uff0c<span style=\"color:#f33b45;\">\u54c8\u5e0c\u7c7b\u578b\u662f\u6307\u952e\u503c\u672c\u8eab\u53c8\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u7ed3\u6784\uff0c\u54c8\u5e0c\u53ef\u4ee5\u7528\u6765\u5b58\u653e\u7528\u6237\u4fe1\u606f\uff0c\u6bd4\u5982\u5b9e\u73b0\u8d2d\u7269\u8f66<\/span>\u3002<\/li>\n<li><span style=\"color:#f33b45;\">List\u5217\u8868\uff08\u53cc\u5411\u94fe\u8868\uff09<\/span>:\u5217\u8868\uff08list\uff09\u7c7b\u578b\u662f<span style=\"color:#f33b45;\">\u7528\u6765\u5b58\u50a8\u591a\u4e2a\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u3002\u53ef\u4ee5\u505a\u7b80\u5355\u7684\u6d88\u606f\u961f\u5217\u7684\u529f\u80fd<\/span>\u3002<\/li>\n<li><span style=\"color:#f33b45;\">Set\u96c6\u5408\uff1a<\/span>\u96c6\u5408\uff08set\uff09\u7c7b\u578b\u4e5f\u662f<span style=\"color:#f33b45;\">\u7528\u6765\u4fdd\u5b58\u591a\u4e2a\u7684\u5b57\u7b26\u4e32\u5143\u7d20<\/span>\uff0c\u4f46\u548c\u5217\u8868\u7c7b\u578b\u4e0d\u4e00 \u6837\u7684\u662f\uff0c\u96c6\u5408\u4e2d<span style=\"color:#f33b45;\">\u4e0d\u5141\u8bb8\u6709\u91cd\u590d\u5143\u7d20\uff0c\u5e76\u4e14\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u7684\uff0c\u4e0d\u80fd\u901a\u8fc7\u7d22\u5f15\u4e0b\u6807\u83b7\u53d6\u5143\u7d20<\/span>\u3002<span style=\"color:#86ca5e;\">\u5229\u7528 Set \u7684\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7b49\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8ba1\u7b97\u5171\u540c\u559c\u597d\uff0c\u5168\u90e8\u7684\u559c\u597d\uff0c\u81ea\u5df1\u72ec\u6709\u7684\u559c\u597d\u7b49\u529f\u80fd\u3002<\/span><\/li>\n<li><span style=\"color:#f33b45;\">Sorted Set\u6709\u5e8f\u96c6\u5408\uff08\u8df3\u8868\u5b9e\u73b0\uff09<\/span>\uff1aSorted Set <span style=\"color:#f33b45;\">\u591a\u4e86\u4e00\u4e2a\u6743\u91cd\u53c2\u6570 Score\uff0c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u80fd\u591f\u6309 Score \u8fdb\u884c\u6392\u5217<\/span>\u3002<span style=\"color:#f33b45;\">\u53ef\u4ee5\u505a\u6392\u884c\u699c\u5e94\u7528\uff0c\u53d6 TOP N \u64cd\u4f5c\u3002<\/span><\/li>\n<\/ul>\n<h1 id=\"3.Redis%E5%92%8Cmemcached%E7%9A%84%E5%8C%BA%E5%88%AB\">3.Redis\u548cmemcached\u7684\u533a\u522b<\/h1>\n<p>Redis\u548cMemcached\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u5185\u5b58\u7f13\u5b58\u7cfb\u7edf\uff0c\u5b83\u4eec\u6709\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u533a\u522b\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd<\/span><\/strong>\uff1aRedis\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u5982\u53d1\u5e03\/\u8ba2\u9605\u3001\u4e8b\u52a1\u652f\u6301\u3001\u6301\u4e45\u5316\u3001\u590d\u5236\u548c\u96c6\u7fa4\u7b49\u3002\u800cMemcached\u4ec5\u652f\u6301\u952e\u503c\u5bf9\u7684\u5b58\u50a8\uff0c\u5e76\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u7f13\u5b58\u529f\u80fd\u3002<\/li>\n<li><span style=\"color:#fe2c24;\"><strong>\u590d\u6742\u6027\u548c\u7075\u6d3b\u6027<\/strong><\/span>\uff1a\u7531\u4e8e\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\uff0cRedis\u5728\u4f7f\u7528\u4e0a\u66f4\u4e3a\u7075\u6d3b\uff0c\u53ef\u4ee5\u6ee1\u8db3\u66f4\u591a\u590d\u6742\u7684\u7f13\u5b58\u9700\u6c42\u3002\u4f46\u4e5f\u6b63\u56e0\u4e3a\u5982\u6b64\uff0cRedis\u76f8\u5bf9\u4e8eMemcached\u66f4\u52a0\u590d\u6742\uff0c\u5bf9\u4e8e\u7b80\u5355\u7684\u952e\u503c\u7f13\u5b58\u9700\u6c42\uff0cMemcached\u53ef\u80fd\u66f4\u52a0\u8f7b\u91cf\u548c\u6613\u7528\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u6301\u4e45\u5316<\/span><\/strong>\uff1aRedis\u652f\u6301\u6570\u636e\u7684\u6301\u4e45\u5316\uff0c\u53ef\u4ee5\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4fdd\u5b58\u5230\u78c1\u76d8\u4e0a\uff0c\u4ee5\u4fbf\u5728\u91cd\u542f\u540e\u6062\u590d\u6570\u636e\u3002\u5b83\u63d0\u4f9b\u4e86\u4e24\u79cd\u6301\u4e45\u5316\u65b9\u5f0f\uff1a\u5feb\u7167\uff08snapshotting\uff09\u548cAOF\uff08Append-Only File\uff09\u3002\u800cMemcached\u4e0d\u652f\u6301\u6570\u636e\u6301\u4e45\u5316\uff0c\u6570\u636e\u4ec5\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\uff0c\u91cd\u542f\u540e\u6570\u636e\u5c06\u4e22\u5931\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5185\u5b58\u7ba1\u7406<\/span><\/strong>\uff1aRedis\u91c7\u7528\u4e86\u81ea\u5df1\u7684\u5185\u5b58\u7ba1\u7406\u673a\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u8bbe\u7f6e\u6700\u5927\u4f7f\u7528\u5185\u5b58\u7684\u5927\u5c0f\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u6dd8\u6c70\u7b56\u7565\u6765\u7ba1\u7406\u5185\u5b58\u3002\u800cMemcached\u5219\u662f\u901a\u8fc7\u9884\u5148\u5206\u914d\u4e00\u5757\u5185\u5b58\u6765\u5b58\u50a8\u6570\u636e\uff0c\u65e0\u6cd5\u52a8\u6001\u8c03\u6574\u5185\u5b58\u5927\u5c0f\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u591a\u7ebf\u7a0b\u652f\u6301<\/span><\/strong>\uff1aRedis\u5728\u6700\u65b0\u7684\u7248\u672c\u4e2d\u5f15\u5165\u4e86\u591a\u7ebf\u7a0b\uff08Redis 6.0\u53ca\u4ee5\u4e0a\u7248\u672c\uff09\uff0c\u5141\u8bb8\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002\u800cMemcached\u4e00\u76f4\u91c7\u7528\u591a\u7ebf\u7a0b\u6a21\u578b\uff0c\u5728\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u65f6\u6027\u80fd\u76f8\u5bf9\u8f83\u9ad8\u3002<\/li>\n<\/ol>\n<p>\u603b\u7684\u6765\u8bf4\uff0cRedis\u76f8\u5bf9\u4e8eMemcached\u66f4\u4e3a\u529f\u80fd\u4e30\u5bcc\u548c\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u5c24\u5176\u5728\u9700\u8981\u66f4\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\u7684\u60c5\u51b5\u4e0b\u3002\u800cMemcached\u5219\u66f4\u52a0\u8f7b\u91cf\u548c\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u952e\u503c\u7f13\u5b58\u9700\u6c42\u3002\u9009\u62e9\u4f7f\u7528\u54ea\u4e2a\u7f13\u5b58\u7cfb\u7edf\u5e94\u8be5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002<\/p>\n<h1 id=\"1.Redis%E5%9C%A8%E9%A1%B9%E7%9B%AE%E4%B8%AD%E7%9A%84%E4%B8%BB%E8%A6%81%E4%BD%9C%E7%94%A8%E6%98%AF%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F%E6%80%8E%E4%B9%88%E7%94%A8%E7%9A%84%EF%BC%9F%EF%BC%88%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%89\">4.Redis\u5728\u9879\u76ee\u4e2d\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u662f\u4ec0\u4e48\uff1f\u600e\u4e48\u7528\u7684\uff1f\uff08\u5fc5\u8003\uff09<\/h1>\n<p>Redis\u5728\u9879\u76ee\u4e2d\u7684\u4e3b\u8981\u4f5c\u7528\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58<\/span><\/strong>\uff1a<strong><span style=\"color:#be191c;\">Redis\u88ab\u5e7f\u6cdb\u7528\u4f5c\u7f13\u5b58\u7cfb\u7edf\uff0c\u7528\u4e8e\u5b58\u50a8\u70ed\u95e8\u6216\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6<\/span><\/strong>\u3002\u901a\u8fc7\u5c06\u6570\u636e\u5b58\u50a8\u5728Redis\u5185\u5b58\u4e2d\uff0c\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u5bf9\u540e\u7aef\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u538b\u529b\uff0c\u52a0\u5feb\u6570\u636e\u8bfb\u53d6\u901f\u5ea6\uff0c\u5e76\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u7684\u54cd\u5e94\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5206\u5e03\u5f0f\u9501<\/span><\/strong>\uff1aRedis\u63d0\u4f9b\u4e86\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\u63a7\u5236\u3002<strong><span style=\"color:#be191c;\">\u901a\u8fc7Redis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u9501\u673a\u5236\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168\u7684\u5206\u5e03\u5f0f\u9501\uff0c\u907f\u514d\u5e76\u53d1\u51b2\u7a81\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898<\/span><\/strong>\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u8ba1\u6570\u5668\u548c\u6392\u884c\u699c<\/span><\/strong>\uff1aRedis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u9ad8\u6027\u80fd\u4f7f\u5176\u6210\u4e3a\u8ba1\u6570\u5668\u548c\u6392\u884c\u699c\u7684\u7406\u60f3\u9009\u62e9\u3002\u53ef\u4ee5\u4f7f<strong><span style=\"color:#be191c;\">\u7528Redis\u7684\u81ea\u589e\u64cd\u4f5c\u6765\u5b9e\u73b0\u5b9e\u65f6\u8ba1\u6570\u5668\uff0c\u5982\u7f51\u7ad9\u7684\u8bbf\u95ee\u6b21\u6570\u7edf\u8ba1<\/span><\/strong>\u3002\u540c\u65f6\uff0cRedis\u7684\u6709\u5e8f\u96c6\u5408<strong><span style=\"color:#be191c;\">\uff08Sorted Set\uff09\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd<\/span><\/strong>\uff0c\u5982\u70ed\u95e8\u6587\u7ae0\u3001\u7528\u6237\u79ef\u5206\u6392\u540d\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u53d1\u5e03\/\u8ba2\u9605<\/span><\/strong>\uff1a<strong><span style=\"color:#be191c;\">Redis\u652f\u6301\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6d88\u606f\u7684\u53d1\u5e03\u548c\u8ba2\u9605\u529f\u80fd<\/span><\/strong>\u3002\u8fd9\u5728\u5b9e\u65f6\u901a\u77e5\u3001\u5b9e\u65f6\u6570\u636e\u66f4\u65b0\u548c\u6d88\u606f\u961f\u5217\u7b49\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5b9e\u65f6\u804a\u5929\u5e94\u7528\u3001\u5b9e\u65f6\u6570\u636e\u66f4\u65b0\u63a8\u9001\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5730\u7406\u4f4d\u7f6e\u548c\u5730\u7406\u641c\u7d22<\/span><\/strong>\uff1aRedis\u63d0\u4f9b\u4e86<strong><span style=\"color:#be191c;\">\u5730\u7406\u4f4d\u7f6e\uff08Geospatial\uff09\u6570\u636e\u7c7b\u578b\u548c\u76f8\u5e94\u7684\u64cd\u4f5c<\/span><\/strong>\uff0c\u53ef\u4ee5\u5b58\u50a8\u548c\u5904\u7406\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002\u8fd9\u5728\u5730\u7406\u4f4d\u7f6e\u76f8\u5173\u7684\u5e94\u7528\u4e2d\uff0c\u5982\u9644\u8fd1\u7684\u4eba\u3001\u4f4d\u7f6e\u670d\u52a1\u7b49\uff0c\u63d0\u4f9b\u4e86\u65b9\u4fbf\u548c\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<\/ol>\n<p>\u5bf9\u4e8e\u5982\u4f55\u4f7f\u7528Redis\uff0c\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ol>\n<li>\u8fde\u63a5\u548c\u914d\u7f6e\uff1a\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528Redis\u5ba2\u6237\u7aef\u5e93\u8fde\u63a5\u5230Redis\u670d\u52a1\u5668\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u914d\u7f6e\uff0c\u5982\u8bbe\u7f6e\u8fde\u63a5\u53c2\u6570\u3001\u8ba4\u8bc1\u3001\u8fde\u63a5\u6c60\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c<\/span><\/strong>\uff1aRedis\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5b57\u7b26\u4e32\uff08String\uff09\u3001\u54c8\u5e0c\uff08Hash\uff09\u3001\u5217\u8868\uff08List\uff09\u3001\u96c6\u5408\uff08Set\uff09\u3001\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7b49\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u5e76\u4f7f\u7528\u76f8\u5e94\u7684\u64cd\u4f5c\u547d\u4ee4\u6765\u5b58\u50a8\u548c\u83b7\u53d6\u6570\u636e\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6301\u4e45\u5316\u548c\u5907\u4efd<\/span><\/strong>\uff1a\u6839\u636e\u9700\u8981\uff0c\u53ef\u4ee5\u914d\u7f6eRedis\u8fdb\u884c\u6570\u636e\u6301\u4e45\u5316\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5728\u91cd\u542f\u6216\u6545\u969c\u6062\u590d\u540e\u4e0d\u4e22\u5931\u3002<span style=\"color:#be191c;\"><strong>Redis\u63d0\u4f9b\u4e86\u4e24\u79cd\u6301\u4e45\u5316\u65b9\u5f0f\uff1aRDB\uff08\u5feb\u7167\uff09\u548cAOF\uff08\u65e5\u5fd7\uff09<\/strong><\/span>\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5b89\u5168\u548c\u6027\u80fd\u4f18\u5316<\/span><\/strong>\uff1a\u9700\u8981\u8003\u8651Redis\u7684\u5b89\u5168\u6027\uff0c\u5982\u8bbf\u95ee\u63a7\u5236\u3001\u8ba4\u8bc1\u548c\u6570\u636e\u52a0\u5bc6\u7b49\u3002\u540c\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u5bf9Redis\u8fdb\u884c\u6027\u80fd\u4f18\u5316\uff0c\u5305\u62ec\u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u3001\u5408\u7406\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3001\u4f7f\u7528\u7ba1\u9053\uff08Pipeline\uff09\u64cd\u4f5c\u3001\u6279\u91cf\u64cd\u4f5c\u7b49\u65b9\u5f0f\u6765\u63d0\u9ad8Redis\u7684\u6027\u80fd\u548c\u541e\u5410\u91cf\u3002<\/li>\n<\/ol>\n<p>Redis\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u5e93\u7f13\u5b58<\/span><\/strong>\uff1a\u5c06\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u7f13\u5b58\u5230Redis\u4e2d\uff0c\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u538b\u529b\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u8bfb\u53d6\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f1a\u8bdd\u7f13\u5b58<\/span><\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u7528\u6237\u4f1a\u8bdd\u4fe1\u606f\uff0c\u53ef\u4ee5\u5feb\u901f\u5b58\u53d6\u548c\u66f4\u65b0\u4f1a\u8bdd\u72b6\u6001\uff0c\u63d0\u9ad8\u7f51\u7ad9\u6216\u5e94\u7528\u7684\u5e76\u53d1\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u8ba1\u6570\u5668\u548c\u9650\u6d41\u5668<\/span><\/strong>\uff1a\u4f7f\u7528Redis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u8ba1\u6570\u529f\u80fd\uff0c\u5b9e\u73b0\u5b9e\u65f6\u8ba1\u6570\u5668\u3001\u8bbf\u95ee\u9891\u7387\u9650\u5236\u7b49\u529f\u80fd\uff0c\u5982\u7f51\u7ad9\u7684PV\/UV\u7edf\u8ba1\u3001API\u8bf7\u6c42\u9650\u6d41\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6d88\u606f\u961f\u5217<\/span><\/strong>\uff1a\u5229\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u6216\u5217\u8868\u6570\u636e\u7ed3\u6784\uff0c\u5b9e\u73b0\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u961f\u5217\uff0c\u7528\u4e8e\u5f02\u6b65\u6d88\u606f\u5904\u7406\u3001\u4efb\u52a1\u8c03\u5ea6\u7b49\u573a\u666f\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5206\u5e03\u5f0f\u9501<\/span><\/strong>\uff1a\u57fa\u4e8eRedis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u9501\u673a\u5236\uff0c\u5b9e\u73b0\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\u7684\u5e76\u53d1\u8bbf\u95ee\u63a7\u5236\uff0c\u4fdd\u8bc1\u5171\u4eab\u8d44\u6e90\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5b9e\u65f6\u6392\u884c\u699c<\/span><\/strong>\uff1a\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u6570\u636e\u7ed3\u6784\uff0c\u5b58\u50a8\u548c\u66f4\u65b0\u7528\u6237\u7684\u5206\u6570\u6216\u6307\u6807\uff0c\u5b9e\u73b0\u5b9e\u65f6\u6392\u540d\u3001\u70ed\u95e8\u6587\u7ae0\u3001\u70ed\u95e8\u5546\u54c1\u7b49\u529f\u80fd\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5730\u7406\u4f4d\u7f6e\u670d\u52a1<\/span><\/strong>\uff1a\u5229\u7528Redis\u7684\u5730\u7406\u4f4d\u7f6e\u6570\u636e\u7c7b\u578b\u548c\u64cd\u4f5c\uff0c\u5b58\u50a8\u548c\u67e5\u8be2\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u7528\u4e8e\u9644\u8fd1\u7684\u4eba\u3001\u5730\u70b9\u641c\u7d22\u7b49\u5e94\u7528\u3002<\/li>\n<\/ol>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cRedis\u5728\u9879\u76ee\u4e2d\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u7f13\u5b58\u3001\u5206\u5e03\u5f0f\u9501\u3001\u8ba1\u6570\u5668\u3001\u6d88\u606f\u961f\u5217\u548c\u6392\u884c\u699c\u7b49\u529f\u80fd\uff0c\u4ee5\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u3001\u53ef\u6269\u5c55\u6027\u548c\u5b9e\u65f6\u6027\u3002\u4f7f\u7528Redis\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5e76\u8fdb\u884c\u9002\u5f53\u7684\u914d\u7f6e\u548c\u4f18\u5316\uff0c\u4ee5\u6ee1\u8db3\u9879\u76ee\u7684\u9700\u6c42\u3002<\/p>\n<h1 id=\"5.Redis%E5%AE%9E%E7%8E%B0%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81%E7%9A%84%E6%80%9D%E8%B7%AF%E6%96%B9%E6%A1%88%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">5.Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u601d\u8def\u65b9\u6848\uff08\u5fc5\u8003\uff09<\/h1>\n<p>Redis\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u601d\u8def\u548c\u65b9\u6848\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff1a<\/p>\n<p><span style=\"color:#fe2c24;\"><strong>SETNX\u547d\u4ee4\u5b9e\u73b0<\/strong><\/span><\/p>\n<ul>\n<li>\u83b7\u53d6\u9501\uff1a\u4f7f\u7528SETNX\u547d\u4ee4\u5728Redis\u4e2d\u521b\u5efa\u4e00\u4e2a\u952e\u4f5c\u4e3a\u9501\uff0c\u5982\u679c\u8bbe\u7f6e\u6210\u529f\uff08\u8fd4\u56de1\uff09\uff0c\u8868\u793a\u83b7\u53d6\u5230\u4e86\u9501\u3002<\/li>\n<li>\u91ca\u653e\u9501\uff1a\u4f7f\u7528DEL\u547d\u4ee4\u5220\u9664\u9501\u952e\uff0c\u91ca\u653e\u9501\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u5b58\u5728\u6b7b\u9501\u548c\u9501\u7ade\u4e89\u95ee\u9898\u3002<\/p>\n<p><strong><span style=\"color:#fe2c24;\">SET\u547d\u4ee4\u5e26\u53c2\u6570\u5b9e\u73b0<\/span><\/strong><\/p>\n<ul>\n<li>\u83b7\u53d6\u9501\uff1a\u4f7f\u7528SET\u547d\u4ee4\u8bbe\u7f6e\u9501\u952e\uff0c\u5e76\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u548c\u53c2\u6570\uff0c\u4f8b\u5982\uff1aSET lock_key value EX NX PX 10000\u3002\u901a\u8fc7\u8bbe\u7f6e\u53c2\u6570\u5b9e\u73b0\u539f\u5b50\u6027\u64cd\u4f5c\u548c\u8fc7\u671f\u65f6\u95f4\u7684\u8bbe\u7f6e\u3002<\/li>\n<li>\u91ca\u653e\u9501\uff1a\u4f7f\u7528DEL\u547d\u4ee4\u5220\u9664\u9501\u952e\uff0c\u91ca\u653e\u9501\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u5728\u83b7\u53d6\u9501\u65f6\u53ef\u4ee5\u4e00\u6b21\u6027\u5b8c\u6210\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u548c\u83b7\u53d6\u9501\u7684\u64cd\u4f5c\uff0c\u76f8\u5bf9\u4e8eSETNX\u547d\u4ee4\u66f4\u52a0\u5b89\u5168\u3002<\/p>\n<p><strong><span style=\"color:#fe2c24;\">Lua\u811a\u672c\u5b9e\u73b0<\/span><\/strong><\/p>\n<ul>\n<li>\u83b7\u53d6\u9501\uff1a\u4f7f\u7528Lua\u811a\u672c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a\n<p>\u68c0\u67e5\u9501\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u9501\u5e76\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3002<\/p>\n<p>\u5982\u679c\u9501\u5df2\u5b58\u5728\uff0c\u5219\u5224\u65ad\u9501\u7684\u6301\u6709\u8005\u662f\u5426\u662f\u5f53\u524d\u8bf7\u6c42\u7684\u6807\u8bc6\u7b26\uff0c\u5982\u679c\u662f\uff0c\u5219\u66f4\u65b0\u9501\u7684\u8fc7\u671f\u65f6\u95f4\u3002<\/p>\n<p>\u5982\u679c\u9501\u5df2\u5b58\u5728\u4e14\u6301\u6709\u8005\u4e0d\u662f\u5f53\u524d\u8bf7\u6c42\u7684\u6807\u8bc6\u7b26\uff0c\u5219\u8868\u793a\u9501\u88ab\u5176\u4ed6\u8fdb\u7a0b\u6301\u6709\u3002<\/p>\n<\/li>\n<li>\u91ca\u653e\u9501\uff1a\u4f7f\u7528Lua\u811a\u672c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a\u68c0\u67e5\u9501\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\u4e14\u6301\u6709\u8005\u662f\u5f53\u524d\u8bf7\u6c42\u7684\u6807\u8bc6\u7b26\uff0c\u5219\u5220\u9664\u9501\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u901a\u8fc7Lua\u811a\u672c\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u53ef\u4ee5\u786e\u4fdd\u83b7\u53d6\u9501\u548c\u91ca\u653e\u9501\u7684\u8fc7\u7a0b\u7684\u539f\u5b50\u6027\uff0c\u907f\u514d\u4e86\u7ade\u6001\u6761\u4ef6\u548c\u4e0d\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4ee5\u4e0a\u65b9\u6848\u4ecd\u7136\u9700\u8981\u5904\u7406\u9501\u7684\u8d85\u65f6\u548c\u5f02\u5e38\u60c5\u51b5\uff0c\u5982\u9501\u7684\u7eed\u671f\u3001\u9501\u7684\u91ca\u653e\u3001\u9632\u6b62\u9501\u7684\u8bef\u5220\u9664\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\u6216\u8005\u5fc3\u8df3\u673a\u5236\u6765\u7eed\u671f\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4fdd\u8bc1\u9501\u7684\u53ef\u9760\u6027\u3002\u540c\u65f6\uff0c\u5728\u9501\u7684\u91ca\u653e\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u53ea\u6709\u6301\u6709\u9501\u7684\u8fdb\u7a0b\u624d\u80fd\u91ca\u653e\u9501\uff0c\u907f\u514d\u8bef\u5220\u5176\u4ed6\u8fdb\u7a0b\u7684\u9501\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Redlock\u7b97\u6cd5\u3001\u57fa\u4e8eZooKeeper\u7684\u5206\u5e03\u5f0f\u9501\u7b49\u5176\u4ed6\u65b9\u6848\uff0c\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0\u65b9\u6848\u3002<\/p>\n<p>\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u65b9\u5f0f\u53ef\u89c1\uff1a<\/p>\n<p>Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406\u4e00\u4e2a\u7b80\u5355\u7684Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u57fa\u7840\u65b9\u6cd5\uff1a\u5982\u679c\u4e3a\u7a7a\u5c31\u63d2\u5165\u503c\uff0c\u8fd4\u56detrue\uff1b\u5982\u679c\u4e0d\u4e3a\u7a7a\u5219\u4e0d\u505a\u64cd\u4f5c\uff0c\u8fd4\u56defalse\uff0c\u5904\u7406\u601d\u8def\u5982\u4e0b\u56fe\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">\/\/\u63d2\u5165\u65b0\u503c\u5e76\u8fd4\u56de\u65e7\u503c\ngetAndSet(String key, String value)<\/code><\/pre>\n<p class=\"img-center\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/6dab326f8ed14c8ea411ab2c331719eb.jpg\" =\"\" =\"\u00e8\u00bf\u00e9\u00e5\u00e5\u00be\u00e7\u00e6\u00e8\u00bf\u00b0\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h1 id=\"6.%E5%88%86%E6%9E%90%E5%9F%BA%E4%BA%8ERedis%E7%9A%84%E9%99%90%E6%B5%81%E5%99%A8%E5%AE%9E%E7%8E%B0\">6.\u5206\u6790\u57fa\u4e8eRedis\u7684\u9650\u6d41\u5668\u5b9e\u73b0<\/h1>\n<p>\u57fa\u4e8eRedis\u7684\u9650\u6d41\u5668\u53ef\u4ee5\u7528\u6765\u9650\u5236\u7cfb\u7edf\u5728\u4e00\u5b9a\u65f6\u95f4\u7a97\u53e3\u5185\u7684\u8bf7\u6c42\u9891\u7387\uff0c\u4ee5\u9632\u6b62\u7cfb\u7edf\u88ab\u8fc7\u591a\u7684\u8bf7\u6c42\u538b\u529b\u538b\u57ae\u3002\u4e0b\u9762\u662f\u4e00\u79cd\u57fa\u4e8eRedis\u7684\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u9650\u6d41\u5668\u5b9e\u73b0\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u4e3a\u6bcf\u4e2a\u63a5\u53e3\u6216\u8005\u8bf7\u6c42\u8bbe\u7f6e\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u4f5c\u4e3a\u9650\u6d41\u5668\u7684\u952e\u540d<\/span><\/strong>\uff0c\u4f8b\u5982\u63a5\u53e3\u7684URL\u6216\u8005\u8bf7\u6c42\u7684IP\u5730\u5740\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5b9a\u4e49\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u4ee4\u724c\u6876\uff0c\u7528\u6765\u5b58\u653e\u4ee4\u724c\uff0c\u6bcf\u4e2a\u4ee4\u724c\u4ee3\u8868\u4e00\u4e2a\u5141\u8bb8\u901a\u8fc7\u7684\u8bf7\u6c42<\/span><\/strong>\u3002<\/li>\n<li><strong><span style=\"color:#956fe7;\">\u4f7f\u7528Redis\u7684\u8ba1\u6570\u5668\u6570\u636e\u7ed3\u6784\uff08\u4f8b\u5982Redis\u7684INCR\u547d\u4ee4\uff09\u8bb0\u5f55\u5f53\u524d\u4ee4\u724c\u6876\u4e2d\u7684\u4ee4\u724c\u6570\u91cf<\/span><\/strong>\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u8bbe\u7f6e\u4e00\u4e2a\u56fa\u5b9a\u7684\u65f6\u95f4\u7a97\u53e3<\/span><\/strong>\uff0c\u4f8b\u5982\u6bcf\u79d2\u949f\u5904\u7406\u7684\u8bf7\u6c42\u6570\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5728\u5904\u7406\u8bf7\u6c42\u4e4b\u524d\uff0c\u9996\u5148\u68c0\u67e5\u4ee4\u724c\u6876\u4e2d\u7684\u4ee4\u724c\u6570\u91cf\u662f\u5426\u8d85\u8fc7\u8bbe\u5b9a\u7684\u9608\u503c<\/span><\/strong>\u3002\n<ul>\n<li>\u5982\u679c\u4ee4\u724c\u6570\u91cf\u5927\u4e8e\u9608\u503c\uff0c\u5219\u8868\u793a\u4ecd\u6709\u4ee4\u724c\u53ef\u7528\uff0c\u5141\u8bb8\u8bf7\u6c42\u901a\u8fc7\uff0c\u5e76\u5c06\u4ee4\u724c\u6570\u91cf\u51cf1\u3002<\/li>\n<li>\u5982\u679c\u4ee4\u724c\u6570\u91cf\u5c0f\u4e8e\u7b49\u4e8e\u9608\u503c\uff0c\u5219\u8868\u793a\u4ee4\u724c\u5df2\u7ecf\u7528\u5c3d\uff0c\u4e0d\u5141\u8bb8\u8bf7\u6c42\u901a\u8fc7\uff0c\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u9650\u6d41\u63d0\u793a\u6216\u8005\u62d2\u7edd\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528Redis\u7684\u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e\u4ee4\u724c\u6876\u7684\u81ea\u52a8\u91cd\u7f6e<\/span><\/strong>\u3002\n<ul>\n<li>\u5728\u6bcf\u4e2a\u65f6\u95f4\u7a97\u53e3\u7684\u5f00\u59cb\u65f6\uff0c\u5c06\u4ee4\u724c\u6876\u7684\u4ee4\u724c\u6570\u91cf\u91cd\u7f6e\u4e3a\u6700\u5927\u503c\uff0c\u4ee5\u4fbf\u63a5\u53d7\u65b0\u7684\u8bf7\u6c42\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528Redis\u7684EXPIRE\u547d\u4ee4\u8bbe\u7f6e\u4ee4\u724c\u6876\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4ee5\u786e\u4fdd\u5728\u65f6\u95f4\u7a97\u53e3\u7ed3\u675f\u540e\u81ea\u52a8\u6e05\u7a7a\u4ee4\u724c\u6876\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u79cd\u57fa\u4e8eRedis\u7684\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u9650\u6d41\u5668\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u8bf7\u6c42\u7684\u9891\u7387\uff0c\u5e76\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7\u8fc7\u591a\u7684\u8bf7\u6c42\u8d1f\u8377\u3002\u540c\u65f6\uff0c\u7531\u4e8eRedis\u7684\u9ad8\u6027\u80fd\u548c\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u9650\u6d41\u64cd\u4f5c\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5982\u4ee4\u724c\u7684\u4ea7\u751f\u901f\u7387\u3001\u4ee4\u724c\u6876\u7684\u5927\u5c0f\u7b49\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u7684\u8d1f\u8f7d\u60c5\u51b5\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<h1 id=\"7.Redis%E5%92%8CDB%E6%95%B0%E6%8D%AE%E4%B8%80%E8%87%B4%E6%80%A7%E5%A4%84%E7%90%86%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">7.Redis\u548cDB\u6570\u636e\u4e00\u81f4\u6027\u5904\u7406\uff08\u5fc5\u8003\uff09<\/h1>\n<p style=\"text-align:center;\">\n<p>\u786e\u4fddRedis\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\u3002\u7531\u4e8eRedis\u662f\u5185\u5b58\u4e2d\u7684\u7f13\u5b58\uff0c\u800c\u6570\u636e\u5e93\u662f\u6570\u636e\u7684\u6301\u4e45\u5316\u5b58\u50a8\uff0c\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u98ce\u9669\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5904\u7406\u6570\u636e\u4e00\u81f4\u6027\u7684\u5e38\u89c1\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u8bfb\u5199\u53cc\u5199\uff08Read-Write Through\uff09<\/span><\/strong>\uff1a<br \/> \u5728\u66f4\u65b0\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u9996\u5148\u66f4\u65b0Redis\u7f13\u5b58\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fddRedis\u4e2d\u7684\u6570\u636e\u4e0e\u6570\u636e\u5e93\u4fdd\u6301\u540c\u6b65\u3002\u5728\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u9996\u5148\u4eceRedis\u4e2d\u83b7\u53d6\uff0c\u5982\u679c\u7f13\u5b58\u4e0d\u5b58\u5728\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\uff0c\u5e76\u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u653e\u5165Redis\u7f13\u5b58\u4e2d\u3002<br \/> \u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u5728\u5199\u5165\u64cd\u4f5c\u4e0a\u4f1a\u5b58\u5728\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500\uff0c\u56e0\u4e3a\u6bcf\u6b21\u66f4\u65b0\u64cd\u4f5c\u90fd\u9700\u8981\u540c\u65f6\u66f4\u65b0Redis\u548c\u6570\u636e\u5e93\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5199\u540e\u66f4\u65b0\uff08Write-Behind\uff09<\/span><\/strong>\uff1a<br \/> \u5728\u66f4\u65b0\u6570\u636e\u5e93\u540e\uff0c\u5f02\u6b65\u66f4\u65b0Redis\u7f13\u5b58\u3002\u5373\u4f7fRedis\u7f13\u5b58\u7684\u66f4\u65b0\u7a0d\u6709\u5ef6\u8fdf\uff0c\u4f46\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u9020\u6210\u4e25\u91cd\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u5728\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5148\u4eceRedis\u4e2d\u83b7\u53d6\uff0c\u5982\u679c\u7f13\u5b58\u4e0d\u5b58\u5728\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u3002<br \/> \u8fd9\u79cd\u65b9\u6cd5\u5728\u5199\u5165\u64cd\u4f5c\u4e0a\u6027\u80fd\u8f83\u9ad8\uff0c\u56e0\u4e3a\u53ea\u9700\u66f4\u65b0\u6570\u636e\u5e93\u3002\u4f46\u5728\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5982\u679c\u7f13\u5b58\u672a\u53ca\u65f6\u66f4\u65b0\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bfb\u53d6\u5230\u65e7\u6570\u636e\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5b9a\u65f6\u5237\u65b0\uff08Scheduled Refresh\uff09<\/span><\/strong>\uff1a<br \/> \u5b9a\u671f\u5237\u65b0Redis\u7f13\u5b58\uff0c\u4ee5\u786e\u4fdd\u4e0e\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u4fdd\u6301\u4e00\u81f4\u3002\u5b9a\u65f6\u4efb\u52a1\u53ef\u4ee5\u5728\u540e\u53f0\u66f4\u65b0Redis\u7f13\u5b58\uff0c\u4f8b\u5982\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u6216\u6bcf\u5929\u6267\u884c\u4e00\u6b21\u5168\u91cf\u6216\u589e\u91cf\u66f4\u65b0\u64cd\u4f5c\u3002<br \/> \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8bfb\u53d6\u538b\u529b\uff0c\u5e76\u5728\u66f4\u65b0\u65f6\u63d0\u4f9b\u4e00\u5b9a\u7684\u6570\u636e\u4e00\u81f4\u6027\u4fdd\u8bc1\u3002\u4f46\u5b9a\u65f6\u5237\u65b0\u53ef\u80fd\u4f1a\u9020\u6210\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u5ef6\u8fdf\u3002<\/li>\n<li><span style=\"color:#fe2c24;\"><strong>\u53d1\u5e03\/\u8ba2\u9605\uff08Publish\/Subscribe\uff09<\/strong><\/span>\uff1a<br \/> \u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff0c\u8ba2\u9605\u6570\u636e\u5e93\u4e2d\u7684\u66f4\u65b0\u4e8b\u4ef6\uff0c\u5e76\u5728\u66f4\u65b0\u53d1\u751f\u65f6\u901a\u77e5Redis\u7f13\u5b58\u8fdb\u884c\u76f8\u5e94\u7684\u66f4\u65b0\u3002<br \/> \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u7684\u6570\u636e\u540c\u6b65\uff0c\u4f46\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5904\u7406\u8ba2\u9605\u548c\u66f4\u65b0\u7684\u903b\u8f91\uff0c\u5e76\u589e\u52a0\u4e86\u590d\u6742\u6027\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u6027\u80fd\u8981\u6c42\u9009\u62e9\u9002\u5408\u7684\u6570\u636e\u4e00\u81f4\u6027\u5904\u7406\u65b9\u6cd5\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u66f4\u597d\u7684\u6570\u636e\u4e00\u81f4\u6027\u548c\u6027\u80fd\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\uff08Transaction\uff09\u6765\u786e\u4fdd\u66f4\u65b0\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u5e76\u5728\u6570\u636e\u4e00\u81f4\u6027\u65b9\u9762\u63d0\u4f9b\u66f4\u5f3a\u7684\u4fdd\u8bc1\u3002<\/p>\n<h1 id=\"8.Redis%E7%9A%84%E6%95%B0%E6%8D%AE%E8%BF%87%E6%9C%9F%E7%AD%96%E7%95%A5%E5%88%86%E6%9E%90%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">8.Redis\u7684\u6570\u636e\u8fc7\u671f\u7b56\u7565\u5206\u6790\uff08\u5fc5\u8003\uff09<\/h1>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u8fc7\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u5bf9Redis\u7684\u6570\u636e\u8fc7\u671f\u7b56\u7565\u7684\u5206\u6790\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u5b9a\u65f6\u8fc7\u671f\uff08TTL\uff09<\/span><\/strong>\uff1aRedis\u4e2d\u6700\u5e38\u7528\u7684\u8fc7\u671f\u7b56\u7565\u662f\u7ed9\u952e\u8bbe\u7f6e\u4e00\u4e2a\u8fc7\u671f\u65f6\u95f4\uff08Time to Live\uff0cTTL\uff09\uff0c\u5728\u5230\u8fbe\u8fc7\u671f\u65f6\u95f4\u540e\u81ea\u52a8\u5220\u9664\u952e\u3002\u8fd9\u79cd\u7b56\u7565\u9002\u7528\u4e8e\u90a3\u4e9b\u5728\u6307\u5b9a\u65f6\u95f4\u540e\u4e0d\u518d\u9700\u8981\u7684\u6570\u636e\u3002TTL\u53ef\u4ee5\u4e3a\u952e\u63d0\u4f9b\u81ea\u52a8\u5931\u6548\u7684\u529f\u80fd\uff0c\u51cf\u5c11\u4e86\u624b\u52a8\u5220\u9664\u952e\u7684\u5de5\u4f5c\u91cf\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u60f0\u6027\u8fc7\u671f\uff08Lazy Expiration\uff09<\/span><\/strong>\uff1aRedis\u8fd8\u91c7\u7528\u4e86\u60f0\u6027\u8fc7\u671f\u7b56\u7565\u3002\u5b83\u4e0d\u4f1a\u4e3b\u52a8\u68c0\u67e5\u952e\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u800c\u662f\u5728\u8bbf\u95ee\u952e\u65f6\u624d\u4f1a\u8fdb\u884c\u68c0\u67e5\u3002\u5982\u679c\u952e\u5df2\u8fc7\u671f\uff0c\u5219\u5728\u8bbf\u95ee\u65f6\u5c06\u5176\u5220\u9664\u3002\u8fd9\u79cd\u7b56\u7565\u80fd\u591f\u8282\u7701CPU\u8d44\u6e90\uff0c\u56e0\u4e3a\u53ea\u6709\u5728\u9700\u8981\u8bbf\u95ee\u952e\u65f6\u624d\u4f1a\u8fdb\u884c\u8fc7\u671f\u68c0\u67e5\u3002\u4f46\u662f\uff0c\u5982\u679c\u957f\u65f6\u95f4\u672a\u8bbf\u95ee\u67d0\u4e2a\u952e\uff0c\u5b83\u53ef\u80fd\u4f1a\u4e00\u76f4\u7559\u5728\u5185\u5b58\u4e2d\uff0c\u5360\u7528\u7a7a\u95f4\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">LRU\u8fc7\u671f\u7b56\u7565\uff08Least Recently Used\uff09<\/span><\/strong>\uff1aLRU\u8fc7\u671f\u7b56\u7565\u662f\u901a\u8fc7\u8ddf\u8e2a\u952e\u7684\u8bbf\u95ee\u65f6\u95f4\u6765\u786e\u5b9a\u54ea\u4e9b\u952e\u5e94\u8be5\u88ab\u6dd8\u6c70\u3002\u5f53\u5185\u5b58\u7a7a\u95f4\u4e0d\u8db3\u65f6\uff0cRedis\u4f1a\u4f18\u5148\u6dd8\u6c70\u6700\u4e45\u672a\u88ab\u8bbf\u95ee\u7684\u952e\u3002\u8fd9\u79cd\u7b56\u7565\u9002\u7528\u4e8e\u90a3\u4e9b\u7ecf\u5e38\u88ab\u8bbf\u95ee\u7684\u952e\u9700\u8981\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u7ecf\u5e38\u88ab\u8bbf\u95ee\u7684\u952e\u53ef\u4ee5\u88ab\u6dd8\u6c70\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5177\u4f53\u8fc7\u671f\u65f6\u95f4\uff08Expires\uff09<\/span><\/strong>\uff1aRedis\u8fd8\u63d0\u4f9b\u4e86\u901a\u8fc7\u5177\u4f53\u8fc7\u671f\u65f6\u95f4\u6765\u8bbe\u7f6e\u952e\u7684\u8fc7\u671f\u7b56\u7565\u3002\u53ef\u4ee5\u4f7f\u7528EXPIREAT\u547d\u4ee4\u8bbe\u7f6e\u952e\u7684\u5230\u671f\u65f6\u95f4\u6233\uff0c\u6216\u4f7f\u7528EXPIRE\u547d\u4ee4\u8bbe\u7f6e\u76f8\u5bf9\u4e8e\u5f53\u524d\u65f6\u95f4\u7684\u8fc7\u671f\u65f6\u95f4\u3002\u8fd9\u79cd\u7b56\u7565\u9002\u7528\u4e8e\u9700\u8981\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u70b9\u8fc7\u671f\u7684\u6570\u636e\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\u6765\u9009\u62e9\u9002\u5408\u7684\u8fc7\u671f\u7b56\u7565\u3002\u6709\u65f6\u4e5f\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u8fc7\u671f\u7b56\u7565\uff0c\u6839\u636e\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u9009\u62e9\u4e0d\u540c\u7684\u8fc7\u671f\u65b9\u5f0f\uff0c\u4ee5\u8fbe\u5230\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a7a\u95f4\u5229\u7528\u7387\u3002<\/p>\n<h1 id=\"9.Redis%E7%9A%84LRU%E8%BF%87%E6%9C%9F%E7%AD%96%E7%95%A5%E7%9A%84%E5%85%B7%E4%BD%93%E5%AE%9E%E7%8E%B0%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">9.Redis\u7684LRU\u8fc7\u671f\u7b56\u7565\u7684\u5177\u4f53\u5b9e\u73b0\uff08\u5fc5\u8003\uff09<\/h1>\n<p>Redis\u4e2d\u7684LRU\uff08Least Recently Used\uff0c\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u8fc7\u671f\u7b56\u7565\u662f\u901a\u8fc7\u8ddf\u8e2a\u952e\u7684\u8bbf\u95ee\u65f6\u95f4\u6765\u786e\u5b9a\u54ea\u4e9b\u952e\u5e94\u8be5\u88ab\u6dd8\u6c70\u3002\u4e0b\u9762\u662fRedis\u4e2dLRU\u8fc7\u671f\u7b56\u7565\u7684\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u6bcf\u4e2a\u952e\u90fd\u6709\u4e00\u4e2a\u5b57\u6bb5\u6765\u8bb0\u5f55\u5176\u6700\u540e\u4e00\u6b21\u8bbf\u95ee\u7684\u65f6\u95f4\u6233\uff08timestamp\uff09\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5f53\u4e00\u4e2a\u952e\u88ab\u8bbf\u95ee\u65f6\uff0cRedis\u4f1a\u66f4\u65b0\u8be5\u952e\u7684\u65f6\u95f4\u6233\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5f53Redis\u9700\u8981\u6dd8\u6c70\u952e\u65f6\uff0c\u5b83\u4f1a\u9009\u62e9\u6700\u4e45\u672a\u88ab\u8bbf\u95ee\u7684\u952e\u4f5c\u4e3a\u5019\u9009\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">Redis\u4f1a\u6bd4\u8f83\u5019\u9009\u952e\u7684\u65f6\u95f4\u6233\u4e0e\u5f53\u524d\u65f6\u95f4\u7684\u5dee\u503c\uff0c\u9009\u62e9\u6700\u4e45\u672a\u88ab\u8bbf\u95ee\u7684\u952e\u8fdb\u884c\u6dd8\u6c70\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5982\u679c\u6709\u591a\u4e2a\u952e\u7684\u65f6\u95f4\u6233\u76f8\u540c\uff0cRedis\u4f1a\u6839\u636e\u4e00\u4e2a\u5148\u8fdb\u5148\u51fa\uff08FIFO\uff09\u7684\u89c4\u5219\u8fdb\u884c\u9009\u62e9\u3002<\/span><\/strong><\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u5e76\u4e0d\u662f\u6bcf\u6b21\u8bbf\u95ee\u952e\u90fd\u4f1a\u7acb\u5373\u66f4\u65b0\u65f6\u95f4\u6233\u3002\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0cRedis\u4f1a\u901a\u8fc7\u4e00\u5b9a\u7684\u7b56\u7565\u6765\u63a7\u5236\u65f6\u95f4\u6233\u7684\u66f4\u65b0\u9891\u7387\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\u6765\u5b9a\u671f\u66f4\u65b0\u952e\u7684\u65f6\u95f4\u6233\uff0c\u6216\u8005\u5728\u5185\u5b58\u4f7f\u7528\u8fbe\u5230\u4e00\u5b9a\u9608\u503c\u65f6\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n<p>\u53e6\u5916\uff0cRedis\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u8fc7\u671f\u7b56\u7565\uff0c\u5982\u5b9a\u65f6\u8fc7\u671f\u548c\u60f0\u6027\u8fc7\u671f\u3002\u5b9a\u65f6\u8fc7\u671f\u662f\u901a\u8fc7\u8bbe\u7f6e\u952e\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u5728\u5230\u8fbe\u8fc7\u671f\u65f6\u95f4\u540e\u5c06\u952e\u5220\u9664\u3002\u60f0\u6027\u8fc7\u671f\u662f\u5728\u8bbf\u95ee\u952e\u65f6\u68c0\u67e5\u952e\u662f\u5426\u8fc7\u671f\uff0c\u5982\u679c\u8fc7\u671f\u5219\u5220\u9664\u952e\u3002\u8fd9\u4e9b\u8fc7\u671f\u7b56\u7565\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u548c\u914d\u7f6e\u3002<\/p>\n<h1 id=\"10.%E5%88%86%E6%9E%90Redis%E7%BC%93%E5%AD%98%E9%9B%AA%E5%B4%A9%E9%97%AE%E9%A2%98%E4%BB%A5%E5%8F%8A%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">10.\u5206\u6790Redis\u7f13\u5b58\u96ea\u5d29\u95ee\u9898\u4ee5\u53ca\u89e3\u51b3\u65b9\u6848\uff08\u5fc5\u8003\uff09<\/h1>\n<blockquote>\n<p>Redis\u7f13\u5b58\u96ea\u5d29\u95ee\u9898\u662f<strong><span style=\"color:#fe2c24;\">\u6307\u5728\u7f13\u5b58\u4e2d\u5927\u91cf\u7684\u952e\u540c\u65f6\u8fc7\u671f\u6216\u5931\u6548\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u843d\u5230\u540e\u7aef\u6570\u636e\u5e93\u4e0a<\/span><\/strong>\uff0c\u5f15\u8d77\u6570\u636e\u5e93\u8d1f\u8f7d\u5267\u589e\uff0c\u751a\u81f3\u5bfc\u81f4\u6570\u636e\u5e93\u5d29\u6e83\u7684\u60c5\u51b5\u3002<\/p>\n<\/blockquote>\n<p>\u4e0b\u9762\u662f\u5bf9Redis\u7f13\u5b58\u96ea\u5d29\u95ee\u9898\u7684\u5206\u6790\u4ee5\u53ca\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<p>\u95ee\u9898\u5206\u6790\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\u4e00\u81f4<\/span><\/strong>\uff1a\u5982\u679c\u5927\u91cf\u7684\u7f13\u5b58\u952e\u8bbe\u7f6e\u4e86\u76f8\u540c\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u90a3\u4e48\u5b83\u4eec\u5f88\u53ef\u80fd\u5728\u540c\u4e00\u65f6\u95f4\u6bb5\u5185\u540c\u65f6\u8fc7\u671f\uff0c\u4ece\u800c\u5f15\u53d1\u96ea\u5d29\u6548\u5e94\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58\u540c\u65f6\u5931\u6548<\/span><\/strong>\uff1a\u5f53Redis\u670d\u52a1\u5668\u91cd\u542f\u6216\u53d1\u751f\u6545\u969c\u65f6\uff0c\u6240\u6709\u7684\u7f13\u5b58\u6570\u636e\u4f1a\u540c\u65f6\u5931\u6548\uff0c\u5bfc\u81f4\u8bf7\u6c42\u5168\u90e8\u843d\u5230\u540e\u7aef\u7cfb\u7edf\u4e0a\uff0c\u9020\u6210\u538b\u529b\u8fc7\u5927\u3002<\/li>\n<\/ol>\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u8bbe\u7f6e\u968f\u673a\u7684\u8fc7\u671f\u65f6\u95f4<\/span><\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7\u5728\u7f13\u5b58\u952e\u7684\u8fc7\u671f\u65f6\u95f4\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u968f\u673a\u503c\u6765\u907f\u514d\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u8fc7\u671f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u539f\u6709\u7684\u8fc7\u671f\u65f6\u95f4\u57fa\u7840\u4e0a\u589e\u52a0\u4e00\u4e2a\u968f\u673a\u7684\u79d2\u6570\u6216\u6beb\u79d2\u6570\uff0c\u4f7f\u5f97\u8fc7\u671f\u65f6\u95f4\u5206\u6563\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u6bb5\u5185\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u4f7f\u7528\u5e73\u6ed1\u8fc7\u671f<\/span><\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7\u5728\u7f13\u5b58\u952e\u7684\u8fc7\u671f\u65f6\u95f4\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u8f83\u77ed\u7684\u968f\u673a\u503c\uff0c\u5e76\u4f7f\u7528\u5b9a\u671f\u5237\u65b0\u7684\u65b9\u5f0f\u4fdd\u6301\u7f13\u5b58\u7684\u6709\u6548\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\u5feb\u5230\u8fbe\u65f6\uff0c\u5f02\u6b65\u5237\u65b0\u7f13\u5b58\uff0c\u907f\u514d\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u642d\u5efa\u591a\u7ea7\u7f13\u5b58<\/span><\/strong>\uff1a\u5f15\u5165\u591a\u7ea7\u7f13\u5b58\u67b6\u6784\uff0c\u5c06\u7f13\u5b58\u5206\u4e3a\u4e0d\u540c\u5c42\u6b21\uff0c\u4f8b\u5982\u672c\u5730\u7f13\u5b58\u3001\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Redis\uff09\uff0c\u751a\u81f3CDN\u7b49\u3002\u8fd9\u6837\u5373\u4f7f\u67d0\u4e00\u7ea7\u7f13\u5b58\u53d1\u751f\u5931\u6548\u6216\u96ea\u5d29\uff0c\u4ecd\u7136\u53ef\u4ee5\u4ece\u5176\u4ed6\u5c42\u7ea7\u7684\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u8d1f\u8f7d\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5b9e\u65f6\u76d1\u63a7\u548c\u62a5\u8b66<\/span><\/strong>\uff1a\u901a\u8fc7\u76d1\u63a7Redis\u7f13\u5b58\u7684\u547d\u4e2d\u7387\u3001\u8fc7\u671f\u60c5\u51b5\u7b49\u6307\u6807\uff0c\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u60c5\u51b5\uff0c\u5e76\u8bbe\u7f6e\u62a5\u8b66\u673a\u5236\uff0c\u4ee5\u4fbf\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\u5e94\u5bf9\u3002<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3001\u5f15\u5165\u7f13\u5b58\u591a\u7ea7\u67b6\u6784\u4ee5\u53ca\u5b9e\u65f6\u76d1\u63a7\u548c\u62a5\u8b66\u7b49\u63aa\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3Redis\u7f13\u5b58\u96ea\u5d29\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<h1 id=\"11.%E5%88%86%E6%9E%90Redis%E7%BC%93%E5%AD%98%E7%A9%BF%E9%80%8F%E9%97%AE%E9%A2%98%E5%92%8C%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">11.\u5206\u6790Redis\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848\uff08\u5fc5\u8003\uff09<\/h1>\n<blockquote>\n<p>Redis\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\u662f<strong><span style=\"color:#fe2c24;\">\u6307\u6076\u610f\u6216\u5f02\u5e38\u7684\u8bf7\u6c42\u901a\u8fc7\u7f13\u5b58\u5c42\u76f4\u63a5\u8bbf\u95ee\u540e\u7aef\u7cfb\u7edf<\/span><\/strong>\uff0c\u7ed5\u8fc7\u7f13\u5b58\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u843d\u5230\u540e\u7aef\u6570\u636e\u5e93\u4e0a\uff0c\u9020\u6210\u6570\u636e\u5e93\u8d1f\u8f7d\u8fc7\u5927\u751a\u81f3\u5d29\u6e83\u7684\u60c5\u51b5\u3002<\/p>\n<\/blockquote>\n<p>\u4e0b\u9762\u662f\u5bf9Redis\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\u7684\u5206\u6790\u4ee5\u53ca\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<p>\u95ee\u9898\u5206\u6790\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u4e0d\u5b58\u5728\u7684\u952e\u8bf7\u6c42<\/span><\/strong>\uff1a\u5f53\u6076\u610f\u8bf7\u6c42\u6216\u5f02\u5e38\u8bf7\u6c42\u8bbf\u95ee\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u952e\u65f6\uff0c\u7531\u4e8e\u7f13\u5b58\u4e2d\u65e0\u6cd5\u547d\u4e2d\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u76f4\u63a5\u843d\u5230\u540e\u7aef\u7cfb\u7edf\u4e0a\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u9ad8\u57fa\u6570\u67e5\u8be2<\/span><\/strong>\uff1a\u5f53\u67e5\u8be2\u6761\u4ef6\u7684\u57fa\u6570\u975e\u5e38\u9ad8\uff08\u5982\u5927\u91cf\u4e0d\u540c\u7684\u7528\u6237ID\uff09\uff0c\u800c\u7f13\u5b58\u4e2d\u6ca1\u6709\u76f8\u5173\u6570\u636e\u65f6\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u843d\u5230\u540e\u7aef\u7cfb\u7edf\u4e0a\u6267\u884c\uff0c\u5f15\u53d1\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ol>\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u5e03\u9686\u8fc7\u6ee4\u5668\uff08Bloom Filter\uff09<\/span><\/strong>\uff1a\u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u53ef\u4ee5\u5728\u7f13\u5b58\u5c42\u8fdb\u884c\u5feb\u901f\u7684\u952e\u5b58\u5728\u6027\u68c0\u67e5\u3002\u5e03\u9686\u8fc7\u6ee4\u5668\u662f\u4e00\u79cd\u6982\u7387\u578b\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5224\u65ad\u4e00\u4e2a\u952e\u662f\u5426\u53ef\u80fd\u5b58\u5728\u4e8e\u7f13\u5b58\u4e2d\uff0c\u53ef\u4ee5\u6709\u6548\u8fc7\u6ee4\u6389\u4e00\u90e8\u5206\u4e0d\u5b58\u5728\u7684\u952e\u8bf7\u6c42\uff0c\u4ece\u800c\u51cf\u8f7b\u540e\u7aef\u8d1f\u8f7d\u3002\u5982\u679c\u5e03\u9686\u8fc7\u6ee4\u5668\u5224\u65ad\u952e\u53ef\u80fd\u5b58\u5728\uff0c\u518d\u53bb\u67e5\u8be2\u5b9e\u9645\u7684\u7f13\u5b58\u6216\u540e\u7aef\u7cfb\u7edf\u3002\uff08\u9488\u5bf9\u4e0d\u5b58\u5728\u7684\u952e\uff09<\/li>\n<li><strong><span style=\"color:#be191c;\">\u7f13\u5b58\u7a7a\u503c\uff08Cache Null Values\uff09<\/span><\/strong>\uff1a\u5bf9\u4e8e\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\u7684\u8bf7\u6c42\uff0c\u53ef\u4ee5\u5c06\u7a7a\u503c\u4e5f\u7f13\u5b58\u8d77\u6765\uff0c\u5373\u5c06\u952e\u8bbe\u7f6e\u4e3a\u5bf9\u5e94\u7684\u7a7a\u503c\uff08\u5982NULL\uff09\uff0c\u5e76\u8bbe\u7f6e\u9002\u5f53\u7684\u8fc7\u671f\u65f6\u95f4\u3002\u8fd9\u6837\u5f53\u76f8\u540c\u7684\u8bf7\u6c42\u518d\u6b21\u5230\u8fbe\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7a7a\u503c\uff0c\u907f\u514d\u5bf9\u540e\u7aef\u7cfb\u7edf\u7684\u91cd\u590d\u67e5\u8be2\u3002\uff08\u9488\u5bf9\u4e0d\u5b58\u5728\u7684\u952e\uff09<\/li>\n<li><strong><span style=\"color:#be191c;\">\u6570\u636e\u9884\u52a0\u8f7d\uff08Cache Preloading\uff09<\/span><\/strong>\uff1a\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\uff0c\u53ef\u4ee5\u9884\u5148\u52a0\u8f7d\u70ed\u95e8\u6216\u5e38\u7528\u7684\u6570\u636e\u5230\u7f13\u5b58\u4e2d\uff0c\u4ee5\u51cf\u5c11\u5bf9\u540e\u7aef\u7cfb\u7edf\u7684\u76f4\u63a5\u67e5\u8be2\u3002\u901a\u8fc7\u6570\u636e\u9884\u52a0\u8f7d\uff0c\u53ef\u4ee5\u63d0\u524d\u5c06\u6570\u636e\u52a0\u8f7d\u5230\u7f13\u5b58\u4e2d\uff0c\u907f\u514d\u56e0\u4e3a\u9996\u6b21\u67e5\u8be2\u5bfc\u81f4\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\u3002\uff08\u9488\u5bf9\u9ad8\u57fa\u6570\u67e5\u8be2\uff09<\/li>\n<li><strong><span style=\"color:#be191c;\">\u9650\u6d41\u548c\u9632\u62a4\u63aa\u65bd<\/span><\/strong>\uff1a\u5728\u7f13\u5b58\u5c42\u548c\u540e\u7aef\u7cfb\u7edf\u4e4b\u95f4\u8bbe\u7f6e\u5408\u9002\u7684\u9650\u6d41\u548c\u9632\u62a4\u63aa\u65bd\uff0c\u5982\u8bf7\u6c42\u9891\u7387\u63a7\u5236\u3001IP\u9ed1\u540d\u5355\u3001\u8bbf\u95ee\u9891\u6b21\u9650\u5236\u7b49\uff0c\u4ee5\u8fc7\u6ee4\u6389\u6076\u610f\u6216\u5f02\u5e38\u8bf7\u6c42\u3002\uff08\u9488\u5bf9\u9ad8\u57fa\u6570\u67e5\u8be2\uff09<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u3001\u7f13\u5b58\u7a7a\u503c\u3001\u6570\u636e\u9884\u52a0\u8f7d\u548c\u8bbe\u7f6e\u5408\u9002\u7684\u9650\u6d41\u548c\u9632\u62a4\u63aa\u65bd\u7b49\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5e94\u5bf9Redis\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\uff0c\u4fdd\u62a4\u540e\u7aef\u7cfb\u7edf\u514d\u53d7\u8fc7\u591a\u65e0\u6548\u8bf7\u6c42\u7684\u5f71\u54cd\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h1 id=\"12.Redis%E7%9A%84%E6%8C%81%E4%B9%85%E5%8C%96%E6%9C%BA%E5%88%B6%E5%88%86%E6%9E%90%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">12.Redis\u7684\u6301\u4e45\u5316\u673a\u5236\u5206\u6790\uff08\u5fc5\u8003\uff09<\/h1>\n<p>Redis\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u7684\u6301\u4e45\u5316\u673a\u5236\uff0c\u5206\u522b\u662fRDB\uff08Redis Database\uff09\u548cAOF\uff08Append-Only File\uff09\u3002<\/p>\n<p><span style=\"color:#fe2c24;\"><strong>RDB\uff08Redis Database\uff09\u6301\u4e45\u5316<\/strong><\/span><\/p>\n<p>RDB\u6301\u4e45\u5316\u662f<strong><span style=\"color:#fe2c24;\">\u5c06Redis\u7684\u5185\u5b58\u6570\u636e\u4ee5\u5feb\u7167\u7684\u65b9\u5f0f\u5199\u5165\u78c1\u76d8\u6587<\/span><\/strong>\u4ef6\u3002\u8be5\u673a\u5236\u4f1a\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u6216\u8005\u8fbe\u5230\u4e00\u5b9a\u7684\u6570\u636e\u53d8\u5316\u91cf\u65f6\uff0c\u5c06\u5f53\u524d\u6570\u636e\u5e93\u7684\u6570\u636e\u96c6\u5408\u4fdd\u5b58\u5230\u78c1\u76d8\u4e0a\u7684\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u3002RDB\u6301\u4e45\u5316\u9002\u7528\u4e8e\u6570\u636e\u5907\u4efd\u548c\u6062\u590d\uff0c\u4ee5\u53ca\u51b7\u542f\u52a8\u65f6\u5feb\u901f\u52a0\u8f7d\u6570\u636e\u3002<br \/> 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style=\"color:#fe2c24;\">AOF\uff08Append-Only File\uff09\u6301\u4e45\u5316<\/span><\/strong><\/p>\n<p>AOF\u6301\u4e45\u5316\u662f<strong><span style=\"color:#fe2c24;\">\u5c06Redis\u7684\u64cd\u4f5c\u547d\u4ee4\u8ffd\u52a0\u5230\u4e00\u4e2a\u53ea\u8ffd\u52a0\u6587\u4ef6\u4e2d\u3002\u901a\u8fc7\u8bb0\u5f55\u6240\u6709\u7684\u5199\u64cd\u4f5c\u547d\u4ee4\uff0cAOF\u6587\u4ef6\u53ef\u4ee5\u91cd\u5efa\u6574\u4e2a\u6570\u636e\u96c6<\/span><\/strong>\u3002AOF\u6301\u4e45\u5316\u9002\u7528\u4e8e\u6570\u636e\u7684\u6301\u4e45\u6027\u548c\u6545\u969c\u6062\u590d\u3002<br \/> 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style=\"color:#be191c;\">\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u540c\u65f6\u5f00\u542fRDB\u548cAOF\u6301\u4e45\u5316\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u53d1\u751f\u6545\u969c\u65f6\uff0c\u5148\u4f7f\u7528AOF\u6587\u4ef6\u8fdb\u884c\u6570\u636e\u6062\u590d\uff0c\u518d\u4f7f\u7528RDB\u6587\u4ef6\u8fdb\u884c\u5feb\u901f\u52a0\u8f7d\u3002<\/span><\/strong>\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u6301\u4e45\u5316\u7684\u914d\u7f6e\uff0c\u5982\u8bbe\u7f6e\u81ea\u52a8\u89e6\u53d1\u6301\u4e45\u5316\u7684\u6761\u4ef6\u3001\u5b9a\u671f\u6267\u884c\u6301\u4e45\u5316\u64cd\u4f5c\u3001\u8bbe\u7f6eAOF\u91cd\u5199\u7684\u7b56\u7565\u7b49\u3002<\/p>\n<p>\u9700\u8981\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u548c\u5bf9\u6570\u636e\u5b89\u5168\u6027\u3001\u6062\u590d\u901f\u5ea6\u4ee5\u53ca\u78c1\u76d8\u7a7a\u95f4\u7684\u8981\u6c42\u6765\u9009\u62e9\u9002\u5408\u7684\u6301\u4e45\u5316\u673a\u5236\u6216\u5b83\u4eec\u7684\u7ec4\u5408\u65b9\u5f0f\u3002<\/p>\n<h1 id=\"13.%E5%88%86%E6%9E%90%E4%B8%8BRedis%E7%9A%84%E7%AE%A1%E9%81%93pipeline\">13.\u5206\u6790\u4e0bRedis\u7684\u7ba1\u9053pipeline<\/h1>\n<p>Redis\u7684\u7ba1\u9053\uff08Pipeline\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u63d0\u9ad8\u547d\u4ee4\u6267\u884c\u6548\u7387\u7684\u6280\u672f\u3002\u901a\u8fc7\u5c06\u591a\u4e2a\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u6279\u91cf\u64cd\u4f5c\u4e00\u6b21\u6027\u53d1\u9001\u7ed9Redis\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u51cf\u5c11\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5f00\u9500\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5bf9Redis\u7ba1\u9053\u7684\u5206\u6790\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u51cf\u5c11\u7f51\u7edc\u5f00\u9500<\/span><\/strong>\uff1a\u5728\u666e\u901a\u7684Redis\u64cd\u4f5c\u4e2d\uff0c\u6bcf\u4e2a\u547d\u4ee4\u90fd\u9700\u8981\u901a\u8fc7\u7f51\u7edc\u72ec\u7acb\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u5e76\u7b49\u5f85\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002\u8fd9\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u7f51\u7edc\u5f00\u9500\u3002\u800c\u4f7f\u7528\u7ba1\u9053\u6280\u672f\uff0c\u591a\u4e2a\u547d\u4ee4\u53ef\u4ee5\u6253\u5305\u5728\u4e00\u8d77\u53d1\u9001\uff0c\u51cf\u5c11\u4e86\u7f51\u7edc\u901a\u4fe1\u7684\u6b21\u6570\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u7f51\u7edc\u5f00\u9500\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u63d0\u9ad8\u541e\u5410\u91cf<\/span><\/strong>\uff1a\u7531\u4e8e\u7ba1\u9053\u53ef\u4ee5\u4e00\u6b21\u6027\u53d1\u9001\u591a\u4e2a\u547d\u4ee4\uff0cRedis\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u6536\u5230\u6240\u6709\u547d\u4ee4\u540e\u4e00\u6b21\u6027\u6267\u884c\u5b83\u4eec\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u6bcf\u4e2a\u547d\u4ee4\u7684\u54cd\u5e94\u3002\u8fd9\u6837\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u547d\u4ee4\u7684\u6267\u884c\u6548\u7387\u548c\u541e\u5410\u91cf\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u539f\u5b50\u6027\u64cd\u4f5c<\/span><\/strong>\uff1a\u5728\u7ba1\u9053\u4e2d\u7684\u4e00\u7ec4\u547d\u4ee4\u4f1a\u4f5c\u4e3a\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740\u5728\u6267\u884c\u7ba1\u9053\u671f\u95f4\uff0c\u5176\u4ed6\u5ba2\u6237\u7aef\u4e0d\u4f1a\u63d2\u5165\u547d\u4ee4\uff0c\u4ece\u800c\u786e\u4fdd\u4e86\u547d\u4ee4\u7684\u539f\u5b50\u6027\u3002\u8fd9\u5728\u67d0\u4e9b\u9700\u8981\u4fdd\u6301\u4e8b\u52a1\u6027\u548c\u539f\u5b50\u6027\u7684\u573a\u666f\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u51cf\u5c11\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6<\/span><\/strong>\u95f4\uff1a\u7ba1\u9053\u6280\u672f\u53ef\u4ee5\u5c06\u591a\u4e2a\u547d\u4ee4\u4e00\u6b21\u6027\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u7136\u540e\u5728\u670d\u52a1\u5668\u7aef\u6267\u884c\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u4e00\u6b21\u6027\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u51cf\u5c11\u4e86\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6\u95f4\uff0c\u5c24\u5176\u5728\u7f51\u7edc\u5ef6\u8fdf\u8f83\u9ad8\u7684\u60c5\u51b5\u4e0b\u6548\u679c\u66f4\u4e3a\u660e\u663e\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u7ba1\u9053\u5e76\u4e0d\u9002\u7528\u4e8e\u6240\u6709\u573a\u666f\u3002\u7531\u4e8e\u7ba1\u9053\u662f\u6279\u91cf\u53d1\u9001\u547d\u4ee4\uff0c\u5982\u679c\u5176\u4e2d\u67d0\u4e2a\u547d\u4ee4\u6267\u884c\u5931\u8d25\uff0c\u540e\u7eed\u547d\u4ee4\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u6267\u884c\u3002\u56e0\u6b64\uff0c\u5728\u4e00\u4e9b\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u573a\u666f\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u4e8b\u52a1\u6216\u5176\u4ed6\u66f4\u5f3a\u7684\u4e00\u81f4\u6027\u4fdd\u8bc1\u673a\u5236\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cRedis\u7ba1\u9053\u662f\u4e00\u79cd\u6709\u6548\u63d0\u9ad8\u6027\u80fd\u548c\u541e\u5410\u91cf\u7684\u6280\u672f\uff0c\u9002\u7528\u4e8e\u6279\u91cf\u547d\u4ee4\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u548c\u5f80\u8fd4\u65f6\u95f4\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<h1 id=\"14.Redis%E9%9B%86%E7%BE%A4%E5%AE%B9%E9%94%99%E6%9C%BA%E5%88%B6%E6%98%AF%E4%BB%80%E4%B9%88%E6%A0%B7%E7%9A%84%EF%BC%9F%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">14.Redis\u96c6\u7fa4\u5bb9\u9519\u673a\u5236\u662f\u4ec0\u4e48\u6837\u7684\uff1f\uff08\u5fc5\u8003\uff09<\/h1>\n<p>\u4e3b\u8981\u8be6\u7ec6\u5185\u5bb9\u53ef\u89c1\uff1a<\/p>\n<p>Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406Redis\u96c6\u7fa4\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5bb9\u9519\u673a\u5236\uff0c\u65e8\u5728\u4fdd\u969c\u96c6\u7fa4\u7684\u53ef\u7528\u6027\u548c\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u4e0b\u9762\u662fRedis\u96c6\u7fa4\u7684\u4e3b\u8981\u5bb9\u9519\u673a\u5236\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u6570\u636e\u5206\u7247\u548c\u590d\u5236<\/span><\/strong>\uff1aRedis\u96c6\u7fa4\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u91c7\u7528\u54c8\u5e0c\u69fd\uff08Hash Slot\uff09\u7684\u65b9\u5f0f\u5c06\u6570\u636e\u5212\u5206\u4e3a\u4e0d\u540c\u7684\u69fd\u3002\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u5904\u7406\u4e00\u90e8\u5206\u54c8\u5e0c\u69fd\u7684\u6570\u636e\u3002\u540c\u65f6\uff0c\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u7684\u5197\u4f59\u6027\u548c\u5bb9\u9519\u6027\uff0c\u6bcf\u4e2a\u69fd\u901a\u5e38\u4f1a\u6709\u591a\u4e2a\u526f\u672c\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u4ee5\u9632\u6b62\u8282\u70b9\u6545\u969c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u4e3b\u4ece\u590d\u5236<\/span><\/strong>\uff1aRedis\u96c6\u7fa4\u4e2d\u7684\u6bcf\u4e2a\u4e3b\u8282\u70b9\u90fd\u4f1a\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u4ece\u8282\u70b9\u3002\u4e3b\u8282\u70b9\u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u548c\u5199\u64cd\u4f5c\uff0c\u800c\u4ece\u8282\u70b9\u5219\u590d\u5236\u4e3b\u8282\u70b9\u7684\u6570\u636e\uff0c\u5e76\u5904\u7406\u53ea\u8bfb\u8bf7\u6c42\u3002\u5f53\u4e3b\u8282\u70b9\u53d1\u751f\u6545\u969c\u65f6\uff0c\u4ece\u8282\u70b9\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\u4e3a\u4e3b\u8282\u70b9\uff0c\u4fdd\u8bc1\u96c6\u7fa4\u7684\u53ef\u7528\u6027\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u6545\u969c\u68c0\u6d4b\u548c\u81ea\u52a8\u6545\u969c\u8f6c\u79fb<\/span><\/strong>\uff1aRedis\u96c6\u7fa4\u4f1a\u5b9a\u671f\u8fdb\u884c\u6545\u969c\u68c0\u6d4b\uff0c\u76d1\u6d4b\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u6001\u3002\u5982\u679c\u4e3b\u8282\u70b9\u53d1\u751f\u6545\u969c\u6216\u65e0\u6cd5\u6b63\u5e38\u8bbf\u95ee\uff0c\u96c6\u7fa4\u4f1a\u81ea\u52a8\u6267\u884c\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\uff0c\u5c06\u4e00\u4e2a\u4ece\u8282\u70b9\u664b\u5347\u4e3a\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u91cd\u65b0\u5206\u914d\u54c8\u5e0c\u69fd\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">Gossip\u534f\u8bae<\/span><\/strong>\uff1aRedis\u96c6\u7fa4\u4f7f\u7528Gossip\u534f\u8bae\u8fdb\u884c\u8282\u70b9\u95f4\u7684\u4fe1\u606f\u4ea4\u6362\u548c\u72b6\u6001\u540c\u6b65\u3002\u8282\u70b9\u901a\u8fc7\u4e92\u76f8\u4ea4\u6362\u4fe1\u606f\uff0c\u4e86\u89e3\u5176\u4ed6\u8282\u70b9\u7684\u72b6\u6001\u548c\u62d3\u6251\u4fe1\u606f\uff0c\u4ee5\u4fbf\u505a\u51fa\u5408\u9002\u7684\u51b3\u7b56\u548c\u8c03\u6574\u3002<\/li>\n<li><span style=\"color:#be191c;\">\u5ba2\u6237\u7aef\u8def\u7531\u548c\u91cd\u5b9a\u5411<\/span>\uff1aRedis\u96c6\u7fa4\u4f7f\u7528\u5ba2\u6237\u7aef\u5206\u533a\uff08Client Sharding\uff09\u6765\u5c06\u4e0d\u540c\u7684\u547d\u4ee4\u8def\u7531\u5230\u6b63\u786e\u7684\u8282\u70b9\u3002\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u5230\u8fbe\u4e00\u4e2a\u9519\u8bef\u7684\u8282\u70b9\u65f6\uff0c\u8282\u70b9\u4f1a\u53d1\u9001\u91cd\u5b9a\u5411\u54cd\u5e94\uff0c\u544a\u77e5\u5ba2\u6237\u7aef\u6b63\u786e\u7684\u8282\u70b9\u5730\u5740\uff0c\u4f7f\u5ba2\u6237\u7aef\u80fd\u591f\u91cd\u65b0\u53d1\u9001\u8bf7\u6c42\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u96c6\u7fa4\u7684\u5bb9\u9519\u673a\u5236\u662f\u81ea\u52a8\u5316\u7684\uff0c\u53ef\u4ee5\u5728\u8282\u70b9\u6545\u969c\u6216\u7f51\u7edc\u5206\u533a\u7b49\u60c5\u51b5\u4e0b\u81ea\u52a8\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u548c\u6570\u636e\u91cd\u5206\u914d\uff0c\u4ece\u800c\u4fdd\u8bc1\u96c6\u7fa4\u7684\u53ef\u7528\u6027\u548c\u6570\u636e\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u96c6\u7fa4\u7684\u914d\u7f6e\u3001\u76d1\u63a7\u548c\u7ef4\u62a4\u4ecd\u7136\u9700\u8981\u7ba1\u7406\u5458\u7684\u5173\u6ce8\u548c\u7ba1\u7406\uff0c\u4ee5\u786e\u4fdd\u96c6\u7fa4\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<h1 id=\"10.Redis%E9%9B%86%E7%BE%A4%E4%B8%AD%E6%9F%90%E4%B8%AAmaster%E8%8A%82%E7%82%B9%E6%8C%82%E4%BA%86%EF%BC%8C%E5%90%8E%E9%9D%A2%E6%B5%81%E7%A8%8B%E6%80%8E%E4%B9%88%E5%88%A4%E6%96%AD%EF%BC%9F\">15.Redis\u96c6\u7fa4\u4e2d\u67d0\u4e2amaster\u8282\u70b9\u6302\u4e86\uff0c\u540e\u9762\u6d41\u7a0b\u600e\u4e48\u5224\u65ad\uff1f\uff08\u5fc5\u8003\uff09<\/h1>\n<p>\u66f4\u4e3a\u5177\u4f53\u7684\u89c1\uff1aRedis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406<\/p>\n<p><strong><span style=\"color:#f33b45;\">\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\u5206\u6790\uff1a<\/span><\/strong><\/p>\n<p><span style=\"color:#86ca5e;\"><strong>redis\u96c6\u7fa4\u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u4e3b\u8282\u70b9\u6302\u4e86\uff1a<\/strong><\/span><\/p>\n<ul>\n<li>\u96c6\u7fa4\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u90fd\u4f1a\u9876\u8d77\u5730\u5411\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u8282\u70b9\u53d1\u9001PING\u6d88\u606f<\/li>\n<li>\u9ed8\u8ba4\u6bcf\u96941s\u4e2d\u53d1\u9001\u4e00\u6b21PING<\/li>\n<li>&nbsp;\u9ed8\u8ba4\u968f\u673a\u9009\u62e95\u4e2a\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u4e3b\u8282\u70b9\uff0c\u89c4\u5219\u4e3a\u6700\u957f\u65f6\u95f4\u672aPING\u4ee5\u53caPONG\u65f6\u95f4\u8d85\u8fc7timeout\/2<\/li>\n<li>\u5982\u679c\u53d1\u9001PING\u7684\u4e3b\u8282\u70b91\uff0c\u5728timeout\u65f6\u95f4\u5185\u6ca1\u6536\u5230\u4e3b\u8282\u70b92\u7684PONG\u6d88\u606f\uff0c\u90a3\u4e48\u4e3b\u8282\u70b91\u4f1a\u5c06\u4e3b\u8282\u70b92\u7684\u72b6\u6001\u6807\u8bb0\u4e3apfail<\/li>\n<li><span style=\"color:#f33b45;\">\u4e3b\u8282\u70b91\u5728\u540e\u7eed\u53d1\u9001PING\u6d88\u606f\u65f6\uff0c\u4f1a\u5e26\u4e0a\u4e3b\u8282\u70b92\u7684pfail\u72b6\u6001\uff0c\u6536\u5230\u8fd9\u4e2a\u6d88\u606f\u7684\u4e3b\u8282\u70b9\u4f1a\u5728clusterNode\u91cc\u4e0b\u7ebf\u62a5\u544afail_reports\u4e2d\u5c06\u4e3b\u8282\u70b92\u6807\u8bb0\u4e3apfail<\/span><\/li>\n<li><span style=\"color:#f33b45;\">\u5f53\u67d0\u4e2a\u4e3b\u8282\u70b9\u88ab\u6807\u8bb0\u4e3apfail\u7684\u4e2a\u6570\u5927\u4e8e\u96c6\u7fa4\u603b\u4e3b\u8282\u70b9\u4e2a\u6570\u7684\u4e00\u534a\u65f6\uff0c\u4f1a\u88ab\u6807\u8bb0\u4e3afail, \u5e76\u5411\u6574\u4e2a\u96c6\u7fa4\u5e7f\u64ad\u4e00\u6761PONG\u6d88\u606f\uff0c\u8bf4\u660e\u8be5\u4e3b\u8282\u70b9\u4e0b\u7ebf\u3002<\/span><\/li>\n<li>\u5176\u4ed6\u4e3b\u8282\u70b9\u6536\u5230\u5e7f\u64ad\u6d88\u606f\u540e\uff0c\u5c06\u8be5\u4e3b\u8282\u70b9\u72b6\u6001\u6807\u8bb0\u4e3afail,<\/li>\n<li>\u96c6\u7fa4\u8fdb\u5165\u6545\u969c\u8f6c\u79fb\u9636\u6bb5<\/li>\n<\/ul>\n<p><strong><span style=\"color:#86ca5e;\">\u6545\u969c\u8f6c\u79fb\u9636\u6bb5\u6d41\u7a0b\uff1a<\/span><\/strong><\/p>\n<ul>\n<li>\u5f53\u4e00\u4e2a\u4ece\u8282\u70b9\u53d1\u73b0\u81ea\u5df1\u6b63\u5728\u590d\u5236\u7684\u4e3b\u8282\u70b9\u8fdb\u5165\u5df2\u4e0b\u7ebf\u72b6\u6001\u65f6\uff0c\u4ece\u8282\u70b9\u5c06\u5f00\u59cb\u5bf9\u4e0b\u7ebf\u4e3b\u8282\u70b9\u8fdb\u884c\u6545\u969c\u8f6c\u79fb<\/li>\n<li><span style=\"color:#f33b45;\">\u590d\u5236\u4e0b\u7ebf\u4e3b\u8282\u70b9\u7684\u6240\u6709\u4ece\u8282\u70b9\u91cc\u9762\uff0c\u4f1a\u6709\u4e00\u4e2a\u4ece\u8282\u70b9\u88ab\u9009\u4e3a\u65b0\u7684\u4e3b\u8282\u70b9<\/span><\/li>\n<li><span style=\"color:#f33b45;\">\u65b0\u7684\u4e3b\u8282\u70b9\u4ece\u64a4\u9500\u6240\u6709\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\u7684\u69fd\u4f4d\u6307\u6d3e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u69fd\u4f4d\u6307\u7ed9\u81ea\u5df1<\/span><\/li>\n<li><span style=\"color:#f33b45;\">\u65b0\u7684\u4e3b\u8282\u70b9\u4f1a\u5411\u96c6\u7fa4\u5e7f\u64ad\u4e00\u6761PONG\u6d88\u606f\uff0c\u544a\u77e5\u5176\u4ed6\u8282\u70b9\u81ea\u5df1\u5df2\u7531\u4ece\u8282\u70b9\u8f6c\u4e3a\u4e3b\u8282\u70b9\uff0c\u5e76\u63a5\u7ba1\u76f8\u5e94\u7684\u69fd\u4f4d<\/span><\/li>\n<li><span style=\"color:#f33b45;\">\u6545\u969c\u8f6c\u79fb\u5b8c\u6210<\/span><\/li>\n<\/ul>\n<p><strong><span style=\"color:#86ca5e;\">\u9009\u4e3e\u65b0\u7684\u4e3b\u8282\u70b9<\/span><\/strong><\/p>\n<ul>\n<li>\u96c6\u7fa4\u7684\u7eaa\u5143\u65f6\u4e00\u4e2a\u81ea\u589e\u7684\u8ba1\u6570\u5668\uff0c\u521d\u59cb\u503c\u4e3a0<\/li>\n<li>\u5f53\u96c6\u7fa4\u91cc\u7684\u67d0\u4e2a\u8282\u70b9\u5f00\u59cb\u4e00\u6b21\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u65f6\uff0c\u96c6\u7fa4\u7684\u7eaa\u5143\u4f1a\u52a0\u4e00<\/li>\n<li>\u5bf9\u4e8e\u6bcf\u4e2a\u7eaa\u5143\uff0c\u96c6\u7fa4\u91cc\u6bcf\u4e2a\u590d\u5236\u5904\u7406\u69fd\u4f4d\u7684\u4e3b\u8282\u70b9\u90fd\u6709\u4e00\u6b21\u6295\u7968\u673a\u4f1a\uff0c\u800c\u7b2c\u4e00\u6b21\u5411\u4e3b\u8282\u70b9\u8981\u6c42\u6295\u7968\u7684\u4ece\u8282\u70b9\u5c06\u83b7\u5f97\u4e3b\u8282\u70b9\u7684\u6295\u7968<\/li>\n<li>\u4ec0\u4e48\u65f6\u5019\u5f00\u59cb\u6295\u7968\uff1f 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id=\"16.%E9%AB%98%E5%B9%B6%E5%8F%91%E6%83%85%E5%86%B5%E4%B8%8B%EF%BC%8C%E5%AF%B9%E4%BA%8ERedis%E7%9A%84%E6%9B%B4%E6%96%B0%E6%93%8D%E4%BD%9C%E6%9C%89%E5%93%AA%E4%BA%9B%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9%EF%BC%9F\">16.\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u5bf9\u4e8eRedis\u7684\u66f4\u65b0\u64cd\u4f5c\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f<\/h1>\n<p>\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u5bf9\u4e8eRedis\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u6709\u4ee5\u4e0b\u51e0\u4e2a\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528\u4e50\u89c2\u9501\u6216\u5206\u5e03\u5f0f\u9501<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u591a\u4e2a\u5ba2\u6237\u7aef\u53ef\u80fd\u540c\u65f6\u5bf9\u540c\u4e00\u4e2a\u952e\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e50\u89c2\u9501\u6216\u8005\u5206\u5e03\u5f0f\u9501\u6765\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\u3002\u4e50\u89c2\u9501\u901a\u8fc7\u5728\u66f4\u65b0\u64cd\u4f5c\u524d\u68c0\u67e5\u7248\u672c\u53f7\u6216\u65f6\u95f4\u6233\u7b49\u6807\u8bc6\u6765\u5224\u65ad\u662f\u5426\u53ef\u4ee5\u8fdb\u884c\u66f4\u65b0\uff0c\u800c\u5206\u5e03\u5f0f\u9501\u53ef\u4ee5\u5728\u66f4\u65b0\u64cd\u4f5c\u671f\u95f4\u4fdd\u8bc1\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u80fd\u591f\u83b7\u53d6\u5230\u9501\u6267\u884c\u66f4\u65b0\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u8003\u8651\u5e76\u53d1\u51b2\u7a81\u548c\u7ade\u4e89\u6761\u4ef6<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u5bf9\u540c\u4e00\u4e2a\u952e\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u53ef\u80fd\u4f1a\u5f15\u53d1\u5e76\u53d1\u51b2\u7a81\u548c\u7ade\u4e89\u6761\u4ef6\u3002\u9700\u8981\u4ed4\u7ec6\u5206\u6790\u4e1a\u52a1\u573a\u666f\u548c\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\uff0c\u8bbe\u8ba1\u5408\u7406\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\uff0c\u4f8b\u5982\u4f7f\u7528CAS\uff08Compare and Swap\uff09\u64cd\u4f5c\u3001\u4e50\u89c2\u9501\u6216\u5206\u5e03\u5f0f\u9501\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528\u6279\u91cf\u64cd\u4f5c<\/span><\/strong>\uff1a\u5728\u66f4\u65b0\u64cd\u4f5c\u9700\u8981\u6279\u91cf\u5904\u7406\u591a\u4e2a\u952e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u63d0\u4f9b\u7684\u6279\u91cf\u64cd\u4f5c\u547d\u4ee4\uff08\u5982MSET\u3001HMSET\u7b49\uff09\u6765\u51cf\u5c11\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5f00\u9500\u3002\u901a\u8fc7\u5c06\u591a\u4e2a\u66f4\u65b0\u64cd\u4f5c\u6253\u5305\u6210\u4e00\u4e2a\u6279\u91cf\u64cd\u4f5c\u4e00\u6b21\u6027\u53d1\u9001\u7ed9Redis\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5408\u7406\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u548c\u91cd\u8bd5\u673a\u5236<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0cRedis\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u9762\u4e34\u8bf7\u6c42\u8fc7\u8f7d\u6216\u7f51\u7edc\u5ef6\u8fdf\u7b49\u60c5\u51b5\u3002\u4e3a\u4e86\u4fdd\u8bc1\u64cd\u4f5c\u7684\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5e76\u6839\u636e\u4e1a\u52a1\u9700\u8981\u8bbe\u8ba1\u9002\u5f53\u7684\u91cd\u8bd5\u673a\u5236\uff0c\u4ee5\u5904\u7406\u56e0\u8bf7\u6c42\u8d85\u65f6\u6216\u5931\u8d25\u800c\u5bfc\u81f4\u7684\u5f02\u5e38\u60c5\u51b5\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528Redis\u4e8b\u52a1<\/span><\/strong>\uff1aRedis\u4e8b\u52a1\u63d0\u4f9b\u4e86\u4e00\u79cd\u5c06\u591a\u4e2a\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u7684\u673a\u5236\u3002\u5728\u66f4\u65b0\u64cd\u4f5c\u6d89\u53ca\u591a\u4e2a\u952e\u6216\u9700\u8981\u4fdd\u8bc1\u539f\u5b50\u6027\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u4e8b\u52a1\u6765\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u4ece\u800c\u907f\u514d\u5e76\u53d1\u51b2\u7a81\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u76d1\u63a7\u548c\u8c03\u4f18<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u5bf9Redis\u7684\u66f4\u65b0\u64cd\u4f5c\u8fdb\u884c\u76d1\u63a7\u548c\u8c03\u4f18\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u76d1\u63a7\u5de5\u5177\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177\u6216\u8005\u7b2c\u4e09\u65b9\u76d1\u63a7\u5de5\u5177\u6765\u76d1\u63a7\u5173\u952e\u6307\u6807\uff0c\u5982QPS\uff08\u6bcf\u79d2\u67e5\u8be2\u6570\uff09\u3001\u54cd\u5e94\u65f6\u95f4\u7b49\uff0c\u5e76\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\uff0c\u4f8b\u5982\u4f18\u5316\u547d\u4ee4\u7684\u6267\u884c\u987a\u5e8f\u3001\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6c60\u5927\u5c0f\u3001\u8c03\u6574\u5e76\u53d1\u7ebf\u7a0b\u6570\u7b49\u3002<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5bf9\u4e8eRedis\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\u9700\u8981\u6ce8\u610f\u5e76\u53d1\u51b2\u7a81\u548c\u7ade\u4e89\u6761\u4ef6\u3001\u4f7f\u7528\u4e50\u89c2\u9501\u6216\u5206\u5e03\u5f0f\u9501\u3001\u8003\u8651\u6279\u91cf\u64cd\u4f5c\u3001\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4\u548c\u91cd\u8bd5\u673a\u5236\u3001\u4f7f\u7528Redis\u4e8b\u52a1\u3001\u8fdb\u884c\u76d1\u63a7\u548c\u8c03\u4f18\u7b49\u63aa\u65bd\uff0c\u4ee5\u786e\u4fdd\u66f4\u65b0\u64cd\u4f5c\u7684\u5e76\u53d1\u5b89\u5168\u6027\u3001\u53ef\u9760\u6027\u548c\u6027\u80fd\u4f18\u5316\u3002\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u573a\u666f\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u8003\u8651\u5176\u4ed6\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u548c\u7b56\u7565\u3002<\/p>\n<h1 id=\"17.%E9%AB%98%E5%B9%B6%E5%8F%91%E4%B8%8B%EF%BC%8C%E5%85%88%E6%9B%B4%E6%96%B0%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%8C%E5%86%8D%E5%88%A0%E9%99%A4%E7%BC%93%E5%AD%98%EF%BC%8C%E5%AD%98%E5%9C%A8%E5%95%A5%E9%97%AE%E9%A2%98%EF%BC%8C%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%E5%91%A2%EF%BC%9F\">17.\u9ad8\u5e76\u53d1\u4e0b\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u5220\u9664\u7f13\u5b58\uff0c\u5b58\u5728\u5565\u95ee\u9898\uff0c\u5982\u4f55\u89e3\u51b3\u5462\uff1f<\/h1>\n<p>\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\u518d\u5220\u9664\u7f13\u5b58\u53ef\u80fd\u4f1a\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u4e0d\u4e00\u81f4\u6027<\/span><\/strong>\uff1a\u5982\u679c\u5148\u66f4\u65b0\u4e86\u6570\u636e\u5e93\u800c\u540e\u5220\u9664\u7f13\u5b58\uff0c\u90a3\u4e48\u5728\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u4e4b\u95f4\u53ef\u80fd\u4f1a\u6709\u5176\u4ed6\u5e76\u53d1\u8bf7\u6c42\u8bfb\u53d6\u5230\u65e7\u7684\u7f13\u5b58\u6570\u636e\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58\u810f\u8bfb<\/span><\/strong>\uff1a\u5982\u679c\u5728\u66f4\u65b0\u6570\u636e\u5e93\u540e\u7acb\u5373\u5220\u9664\u7f13\u5b58\uff0c\u800c\u540e\u7eed\u7684\u5e76\u53d1\u8bf7\u6c42\u5f88\u5feb\u53c8\u8bfb\u53d6\u4e86\u8fd9\u4e2a\u7f13\u5b58\u6570\u636e\uff0c\u90a3\u4e48\u5b83\u4eec\u53ef\u80fd\u4f1a\u8bfb\u53d6\u5230\u5df2\u7ecf\u5220\u9664\u7684\u7f13\u5b58\uff0c\u4ece\u800c\u5bfc\u81f4\u7f13\u5b58\u810f\u8bfb\u7684\u95ee\u9898\u3002<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u51e0\u79cd\u7b56\u7565\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u5148\u5220\u9664\u7f13\u5b58\u518d\u66f4\u65b0\u6570\u636e\u5e93<\/span><\/strong>\uff1a\u5728\u8fdb\u884c\u6570\u636e\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u5148\u5220\u9664\u76f8\u5173\u7684\u7f13\u5b58\uff0c\u7136\u540e\u518d\u6267\u884c\u6570\u636e\u5e93\u66f4\u65b0\u64cd\u4f5c\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u5728\u6570\u636e\u5e93\u66f4\u65b0\u5b8c\u6210\u4e4b\u524d\uff0c\u4e0d\u4f1a\u6709\u5176\u4ed6\u8bf7\u6c42\u8bfb\u53d6\u5230\u65e7\u7684\u7f13\u5b58\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u4e86\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u548c\u7f13\u5b58\u810f\u8bfb\u7684\u95ee\u9898\u3002<\/li>\n<li><span style=\"color:#fe2c24;\"><strong>\u5f15\u5165\u9501\u673a\u5236<\/strong><\/span>\uff1a\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u9501\u673a\u5236\u6765\u63a7\u5236\u5e76\u53d1\u64cd\u4f5c\u7684\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5728\u66f4\u65b0\u6570\u636e\u5e93\u548c\u5220\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\u4e4b\u95f4\u5f15\u5165\u4e00\u4e2a\u5168\u5c40\u9501\u6216\u5206\u5e03\u5f0f\u9501\uff0c\u786e\u4fdd\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u5148\u83b7\u53d6\u9501\uff0c\u7136\u540e\u6309\u987a\u5e8f\u6267\u884c\u66f4\u65b0\u6570\u636e\u5e93\u548c\u5220\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\uff0c\u6700\u540e\u91ca\u653e\u9501\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5e76\u53d1\u64cd\u4f5c\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u548c\u7f13\u5b58\u810f\u8bfb\u95ee\u9898\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528\u4e8b\u52a1<\/span><\/strong>\uff1a\u5982\u679c\u6570\u636e\u5e93\u652f\u6301\u4e8b\u52a1\uff0c\u53ef\u4ee5\u5c06\u66f4\u65b0\u6570\u636e\u5e93\u548c\u5220\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\u653e\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u3002\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u7136\u540e\u518d\u5220\u9664\u7f13\u5b58\u3002\u4f7f\u7528\u4e8b\u52a1\u53ef\u4ee5\u786e\u4fdd\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u4f7f\u7528\u7f13\u5b58\u5931\u6548\u7b56\u7565<\/span><\/strong>\uff1a\u5728\u66f4\u65b0\u6570\u636e\u5e93\u4e4b\u540e\uff0c\u53ef\u4ee5\u91c7\u7528\u7f13\u5b58\u5931\u6548\u7b56\u7565\uff0c\u5373\u5728\u7f13\u5b58\u7684\u8fc7\u671f\u65f6\u95f4\u5185\u4e0d\u518d\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u800c\u662f\u76f4\u63a5\u8fd4\u56de\u65e7\u7684\u7f13\u5b58\u6570\u636e\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5e76\u53d1\u8bf7\u6c42\u8bfb\u53d6\u5230\u65e7\u7684\u7f13\u5b58\u6570\u636e\uff0c\u76f4\u5230\u7f13\u5b58\u8fc7\u671f\u540e\u518d\u91cd\u65b0\u4ece\u6570\u636e\u5e93\u52a0\u8f7d\u6700\u65b0\u6570\u636e\u3002<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u4e3a\u4e86\u89e3\u51b3\u5148\u66f4\u65b0\u6570\u636e\u5e93\u518d\u5220\u9664\u7f13\u5b58\u53ef\u80fd\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u548c\u7f13\u5b58\u810f\u8bfb\u95ee\u9898\uff0c\u53ef\u4ee5\u5148\u5220\u9664\u7f13\u5b58\u518d\u66f4\u65b0\u6570\u636e\u5e93\u3001\u5f15\u5165\u9501\u673a\u5236\u3001\u4f7f\u7528\u4e8b\u52a1\u6216\u91c7\u7528\u7f13\u5b58\u5931\u6548\u7b56\u7565\u7b49\u63aa\u65bd\u3002\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u7b56\u7565\u53d6\u51b3\u4e8e\u4e1a\u52a1\u9700\u6c42\u548c\u7cfb\u7edf\u67b6\u6784\u7684\u8981\u6c42\u3002<\/p>\n<h1 id=\"18.%E9%AB%98%E5%B9%B6%E5%8F%91%E6%83%85%E5%86%B5%E4%B8%8B%EF%BC%8C%E5%85%88%E5%88%A0%E9%99%A4%E7%BC%93%E5%AD%98%EF%BC%8C%E5%86%8D%E6%9B%B4%E6%96%B0%E6%95%B0%E6%8D%AE%E5%BA%93%EF%BC%8C%E8%BF%99%E6%A0%B7%E4%BC%9A%E6%9C%89%E5%95%A5%E9%97%AE%E9%A2%98%EF%BC%8C%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88%E6%98%AF%EF%BC%9F\">18.\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\uff0c\u5148\u5220\u9664\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u8fd9\u6837\u4f1a\u6709\u5565\u95ee\u9898\uff0c\u89e3\u51b3\u65b9\u6848\u662f\uff1f<\/h1>\n<p>\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u5148\u5220\u9664\u7f13\u5b58\u518d\u66f4\u65b0\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u5f15\u8d77\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58\u51fb\u7a7f<\/span><\/strong>\uff1a\u5982\u679c\u67d0\u4e2a\u7f13\u5b58\u5931\u6548\u65f6\uff0c\u6709\u5927\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u5e93\u6765\u83b7\u53d6\u6570\u636e\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u5f71\u54cd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6570\u636e\u4e0d\u4e00\u81f4\u6027<\/span><\/strong>\uff1a\u5728\u5220\u9664\u7f13\u5b58\u540e\uff0c\u5982\u679c\u6709\u5e76\u53d1\u8bf7\u6c42\u7acb\u5373\u8bbf\u95ee\u6570\u636e\u5e93\u6765\u83b7\u53d6\u6570\u636e\uff0c\u6b64\u65f6\u6570\u636e\u5e93\u53ef\u80fd\u8fd8\u672a\u5b8c\u6210\u66f4\u65b0\u64cd\u4f5c\uff0c\u5bfc\u81f4\u5e76\u53d1\u8bf7\u6c42\u8bfb\u53d6\u5230\u65e7\u7684\u6570\u636e\uff0c\u4ea7\u751f\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u8bbe\u7f6e\u77ed\u6682\u7684\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4<\/span><\/strong>\uff1a\u5728\u5220\u9664\u7f13\u5b58\u540e\uff0c\u4e3a\u4e86\u907f\u514d\u7f13\u5b58\u51fb\u7a7f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u8f83\u77ed\u7684\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\uff08\u6bd4\u5982\u51e0\u79d2\u949f\uff09\uff0c\u8ba9\u540e\u7eed\u7684\u5e76\u53d1\u8bf7\u6c42\u5728\u8fd9\u4e2a\u65f6\u95f4\u6bb5\u5185\u8bbf\u95ee\u7f13\u5b58\u800c\u4e0d\u662f\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u6570\u636e\u5e93\u8d1f\u8f7d\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u4f7f\u7528\u4e92\u65a5\u9501\uff08Mutex Lock\uff09<\/span><\/strong>\uff1a\u5728\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u4e4b\u95f4\u5f15\u5165\u4e92\u65a5\u9501\u673a\u5236\uff0c\u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8fdb\u884c\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u3002\u5148\u83b7\u53d6\u4e92\u65a5\u9501\uff0c\u7136\u540e\u6309\u987a\u5e8f\u6267\u884c\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u7684\u64cd\u4f5c\uff0c\u6700\u540e\u91ca\u653e\u9501\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5e76\u53d1\u95ee\u9898\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u4f7f\u7528\u6d88\u606f\u961f\u5217<\/span><\/strong>\uff1a\u53ef\u4ee5\u5c06\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u653e\u5165\u6d88\u606f\u961f\u5217\u4e2d\uff0c\u8ba9\u6d88\u8d39\u8005\u9010\u4e2a\u5904\u7406\u8fd9\u4e9b\u64cd\u4f5c\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u5728\u66f4\u65b0\u6570\u636e\u5e93\u4e4b\u524d\u5148\u5220\u9664\u7f13\u5b58\uff0c\u5e76\u4e14\u53ef\u4ee5\u63a7\u5236\u5e76\u53d1\u91cf\u548c\u987a\u5e8f\uff0c\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5ef6\u8fdf\u53cc\u5220\uff08Lazy Double-Check\uff09<\/span><\/strong>\uff1a\u5728\u5220\u9664\u7f13\u5b58\u540e\uff0c\u5148\u8ba9\u540e\u7eed\u8bf7\u6c42\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\uff0c\u7136\u540e\u518d\u8fdb\u884c\u6570\u636e\u5e93\u66f4\u65b0\u64cd\u4f5c\u3002\u8fd9\u6837\u53ef\u4ee5\u7559\u51fa\u4e00\u6bb5\u65f6\u95f4\u4f9b\u7f13\u5b58\u88ab\u91cd\u5efa\uff0c\u5982\u679c\u6709\u5176\u4ed6\u8bf7\u6c42\u8bbf\u95ee\u540c\u4e00\u6570\u636e\uff0c\u5219\u5728\u7b49\u5f85\u671f\u95f4\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u907f\u514d\u4e86\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<\/ol>\n<p>\u603b\u4e4b\uff0c\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u5148\u5220\u9664\u7f13\u5b58\u518d\u66f4\u65b0\u6570\u636e\u5e93\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u8bbe\u7f6e\u77ed\u6682\u7684\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\u3001\u4f7f\u7528\u4e92\u65a5\u9501\u3001\u4f7f\u7528\u6d88\u606f\u961f\u5217\u6216\u91c7\u7528\u5ef6\u8fdf\u53cc\u5220\u7b49\u7b56\u7565\u6765\u89e3\u51b3\u7f13\u5b58\u51fb\u7a7f\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002\u5177\u4f53\u7684\u89e3\u51b3\u65b9\u6848\u5e94\u6839\u636e\u7cfb\u7edf\u7684\u9700\u6c42\u548c\u67b6\u6784\u8fdb\u884c\u9009\u62e9\u548c\u4f18\u5316\u3002<\/p>\n<h1 id=\"19.zset%E8%B7%B3%E8%A1%A8%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E5%88%86%E6%9E%90%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">19.zset\u8df3\u8868\u7684\u6570\u636e\u7ed3\u6784\u5206\u6790\uff08\u5fc5\u8003\uff09<\/h1>\n<p><strong><span style=\"color:#fe2c24;\">\u5728Redis\u4e2d\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7684\u5b9e\u73b0\u57fa\u4e8e\u4e00\u79cd\u79f0\u4e3a\u8df3\u8868\uff08Skip List\uff09\u7684\u6570\u636e\u7ed3\u6784<\/span><\/strong>\u3002\u8df3\u8868\u662f\u4e00\u79cd\u5e73\u8861\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5feb\u901f\u5730\u63d2\u5165\u3001\u5220\u9664\u548c\u67e5\u627e\u6709\u5e8f\u6570\u636e\u3002<\/p>\n<p><strong><span style=\"color:#fe2c24;\">\u8df3\u8868\u7684\u57fa\u672c\u601d\u60f3\u662f\u901a\u8fc7\u5728\u6570\u636e\u5c42\u4e4b\u4e0a\u5efa\u7acb\u591a\u5c42\u7d22\u5f15\u6765\u52a0\u901f\u67e5\u627e\u64cd\u4f5c<\/span><\/strong>\u3002<strong><span style=\"color:#38d8f0;\">\u6bcf\u4e00\u5c42\u90fd\u662f\u4e00\u4e2a\u6709\u5e8f\u94fe\u8868\uff0c\u6700\u5e95\u5c42\u5305\u542b\u6240\u6709\u7684\u6570\u636e\uff0c\u800c\u4e0a\u5c42\u5219\u5305\u542b\u4e00\u5c0f\u90e8\u5206\u6570\u636e\u7684\u5f15\u7528\u3002\u6bcf\u4e00\u5c42\u7684\u8282\u70b9\u901a\u8fc7\u6307\u9488\u8fde\u63a5\uff0c\u5f62\u6210\u4e00\u4e2a\u5411\u53f3\u548c\u5411\u4e0b\u7684\u7ed3\u6784\u3002\u9876\u5c42\u7684\u94fe\u8868\u53ea\u6709\u4e24\u4e2a\u8282\u70b9\uff0c\u5206\u522b\u6307\u5411\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff0c\u4f5c\u4e3a\u8fb9\u754c\u8282\u70b9\u3002<\/span><\/strong><\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u591a\u5c42\u7d22\u5f15\uff0c\u8df3\u8868\u53ef\u4ee5\u5728\u5e73\u5747\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5bf9\u6570\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u63d2\u5165\u3001\u5220\u9664\u548c\u67e5\u627e\u64cd\u4f5c\u3002\u5f53\u9700\u8981\u67e5\u627e\u6216\u64cd\u4f5c\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u53ef\u4ee5\u4ece\u9876\u5c42\u94fe\u8868\u5f00\u59cb\u9010\u5c42\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u627e\u5230\u5bf9\u5e94\u5143\u7d20\u6216\u8005\u627e\u5230\u4e00\u4e2a\u5c0f\u4e8e\u76ee\u6807\u5143\u7d20\u7684\u8282\u70b9\u3002\u7136\u540e\uff0c\u5728\u4e0b\u4e00\u5c42\u94fe\u8868\u4e2d\u7ee7\u7eed\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u8fbe\u5230\u76ee\u6807\u5143\u7d20\u6216\u8005\u4e0b\u4e00\u4e2a\u5927\u4e8e\u76ee\u6807\u5143\u7d20\u7684\u8282\u70b9\u3002\u8fd9\u6837\u5c31\u80fd\u591f\u5feb\u901f\u5b9a\u4f4d\u5230\u76ee\u6807\u5143\u7d20\u6240\u5728\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u5728Redis\u4e2d\uff0c\u6709\u5e8f\u96c6\u5408\u4f7f\u7528\u8df3\u8868\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u5b57\u5178\u7ed3\u6784\u6765\u7ef4\u62a4\u5143\u7d20\u548c\u5bf9\u5e94\u7684\u5206\u503c\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u3002\u8df3\u8868\u5141\u8bb8\u5143\u7d20\u7684\u5206\u503c\u53ef\u4ee5\u91cd\u590d\uff0c\u4f46\u662f\u5143\u7d20\u672c\u8eab\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/p>\n<p>\u8df3\u8868\u7684\u4f18\u70b9\u662f\u7b80\u5355\u3001\u6613\u4e8e\u5b9e\u73b0\uff0c\u5e76\u4e14\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6bd4\u5e73\u8861\u4e8c\u53c9\u6811\u7684\u6027\u80fd\u66f4\u597d\u3002\u5b83\u4e0d\u9700\u8981\u50cf\u5e73\u8861\u4e8c\u53c9\u6811\u90a3\u6837\u9891\u7e41\u5730\u8fdb\u884c\u5e73\u8861\u64cd\u4f5c\uff0c\u56e0\u6b64\u5bf9\u4e8e\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f\uff0c\u8df3\u8868\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u9009\u62e9\u3002\u4f46\u662f\u76f8\u5bf9\u4e8e\u7ea2\u9ed1\u6811\u7b49\u5176\u4ed6\u5e73\u8861\u6811\u7ed3\u6784\uff0c\u8df3\u8868\u7684\u5b9e\u73b0\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u7684\u8df3\u8868\u5b9e\u73b0\u662f\u4e3a\u4e86\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u63d0\u4f9b\u9ad8\u6548\u7684\u64cd\u4f5c\uff0c\u5e76\u4e0d\u662f\u901a\u7528\u7684\u8df3\u8868\u5b9e\u73b0\u3002\u56e0\u6b64\uff0c\u5728\u5176\u4ed6\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8df3\u8868\u7684\u5b9e\u73b0\u548c\u4f18\u5316\u3002<\/p>\n<h1 id=\"20.%E5%B1%95%E5%BC%80%E8%AF%B4%E8%AF%B4%E4%BD%A0%E4%BA%86%E8%A7%A3%E7%9A%84%E8%B7%B3%E8%A1%A8\">20.\u5c55\u5f00\u8bf4\u8bf4\u4f60\u4e86\u89e3\u7684\u8df3\u8868<\/h1>\n<p><span style=\"color:#fe2c24;\"><strong>\u5982\u4f55\u7406\u89e3\u8df3\u8868\uff1f&nbsp;<\/strong><\/span><\/p>\n<p>\u5bf9\u4e8e\u5355\u94fe\u8868\u6765\u8bf4\uff0c\u6211\u4eec\u67e5\u627e\u67d0\u4e2a\u6570\u636e\uff0c\u53ea\u80fd\u4ece\u5934\u5230\u5c3e\u904d\u5386\u94fe\u8868\uff0c\u6b64\u65f6\u65f6\u95f4\u590d\u6742\u5ea6\u662f \u25cb(n)\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/8533242b2c30441c8c167dfa41927e39.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u63d0\u9ad8\u5355\u94fe\u8868\u7684\u67e5\u627e\u6548\u7387\u5462\uff1f\u5bf9\u94fe\u8868\u5efa\u7acb\u4e00\u7ea7\u7d22\u5f15\uff0c\u6bcf\u4e24\u4e2a\u8282\u70b9\u63d0\u53d6\u4e00\u4e2a\u7ed3\u70b9\u5230\u4e0a\u4e00\u7ea7\uff0c\u88ab\u62bd\u51fa\u6765\u7684\u8fd9\u7ea7\u53eb\u505a\u7d22\u5f15\u6216\u7d22\u5f15\u5c42\u3002&nbsp;\u6240\u4ee5\u8981\u627e\u523013\uff0c\u5c31\u4e0d\u9700\u8981\u5c0616\u524d\u7684\u7ed3\u70b9\u5168\u904d\u5386\u4e00\u904d\uff0c\u53ea\u9700\u8981\u904d\u5386\u7d22\u5f15\uff0c\u627e\u523013\uff0c\u7136\u540e\u53d1\u73b0\u4e0b\u4e00\u4e2a\u7ed3\u70b9\u662f17\uff0c\u90a3\u4e4816\u4e00\u5b9a\u662f\u5728 [13,17] \u4e4b\u95f4\u7684\uff0c\u6b64\u65f6\u572813\u4f4d\u7f6e\u4e0b\u964d\u5230\u539f\u59cb\u94fe\u8868\u5c42\uff0c\u627e\u523016\uff0c\u52a0\u4e0a\u4e00\u5c42\u7d22\u5f15\u540e\uff0c\u67e5\u627e\u4e00\u4e2a\u7ed3\u70b9\u9700\u8981\u904d\u5386\u7684\u7ed3\u70b9\u4e2a\u6570\u51cf\u5c11\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u67e5\u627e\u6548\u7387\u63d0\u9ad8\u4e86\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/16af6062d2a744de9c167c29d30f5aa4.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5efa\u7acb\u4e00\u7ea7\u7d22\u5f15\u7684\u65b9\u5f0f\u76f8\u4f3c\uff0c\u6211\u4eec\u5728\u7b2c\u4e00\u7ea7\u7d22\u5f15\u7684\u57fa\u7840\u4e0a\uff0c\u6bcf\u4e24\u4e2a\u7ed3\u70b9\u5c31\u62bd\u51fa\u4e00\u4e2a\u7ed3\u70b9\u5230\u7b2c\u4e8c\u7ea7\u7d22\u5f15\u3002\u6b64\u65f6\u518d\u67e5\u627e16\uff0c\u53ea\u9700\u8981\u904d\u5386 6 \u4e2a\u7ed3\u70b9\u4e86\uff0c\u9700\u8981\u904d\u5386\u7684\u7ed3\u70b9\u6570\u91cf\u53c8\u51cf\u5c11\u4e86\u3002&nbsp;<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/16694d4f3ae44f608b7b511f67aed8c6.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c4\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5f53\u7ed3\u70b9\u6570\u91cf\u591a\u7684\u65f6\u5019\uff0c\u8fd9\u79cd\u6dfb\u52a0\u7d22\u5f15\u7684\u65b9\u5f0f\uff0c\u4f1a\u4f7f\u67e5\u8be2\u6548\u7387\u63d0\u9ad8\u7684\u975e\u5e38\u660e\u663e\uff0c\u8fd9\u79cd\u94fe\u8868\u52a0\u591a\u7ea7\u7d22\u5f15\u7684\u7ed3\u6784\uff0c\u5c31\u662f\u8df3\u8868\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/33239986e1e84d25b85808674ba52b05.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c5\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p id=\"%E4%BA%8C%E3%80%81%E7%94%A8%E8%B7%B3%E8%A1%A8%E6%9F%A5%E8%AF%A2%E5%88%B0%E5%BA%95%E6%9C%89%E5%A4%9A%E5%BF%AB%C2%A0\"><strong><span style=\"color:#fe2c24;\">\u7528\u8df3\u8868\u67e5\u8be2\u5230\u5e95\u6709\u591a\u5feb&nbsp;<\/span><\/strong><\/p>\n<p>\u5728\u4e00\u4e2a\u5355\u94fe\u8868\u4e2d\uff0c\u67e5\u8be2\u67d0\u4e2a\u6570\u636e\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f \u25cb(n)\uff0c\u90a3\u5728\u4e00\u4e2a\u5177\u6709\u591a\u7ea7\u7d22\u5f15\u7684\u8df3\u8868\u4e2d\uff0c\u67e5\u8be2\u67d0\u4e2a\u6570\u636e\u7684<strong>\u65f6\u95f4\u590d\u6742\u5ea6\u5c31\u662f \u25cb(\u33d2n)<\/strong>&nbsp;\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/0b70f4fba5e143c1a7af21904347363b.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c6\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u6839\u636e\u4e0a\u56fe\u5f97\u77e5\uff0c\u6bcf\u7ea7\u904d\u5386 3 \u4e2a\u7ed3\u70b9\u5373\u53ef\uff0c\u800c\u8df3\u8868\u7684\u9ad8\u5ea6\u4e3a h \uff0c\u6240\u4ee5\u6bcf\u6b21\u67e5\u627e\u4e00\u4e2a\u7ed3\u70b9\u65f6\uff0c\u9700\u8981\u904d\u5386\u7684\u7ed3\u70b9\u6570\u4e3a&nbsp;<code>3*\u8df3\u8868\u9ad8\u5ea6<\/code>&nbsp;\uff0c\u6240\u4ee5\u5ffd\u7565\u4f4e\u9636\u9879\u548c\u7cfb\u6570\u540e\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5c31\u662f \u25cb(\u33d2n)&nbsp;\u3002<\/p>\n<p id=\"%E4%B8%89%E3%80%81%E8%B7%B3%E8%A1%A8%E6%98%AF%E4%B8%8D%E6%98%AF%E5%BE%88%E6%B5%AA%E8%B4%B9%E5%86%85%E5%AD%98%EF%BC%9F%C2%A0\"><strong><span style=\"color:#fe2c24;\">\u8df3\u8868\u662f\u4e0d\u662f\u5f88\u6d6a\u8d39\u5185\u5b58\uff1f&nbsp;<\/span><\/strong><\/p>\n<p>\u6765\u5206\u6790\u4e00\u4e0b\u8df3\u8868\u7684\u7a7a\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002\u5b9e\u9645\u4e0a\uff0c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u592a\u5728\u610f\u7d22\u5f15\u5360\u636e\u7684\u989d\u5916\u7a7a\u95f4\uff0c\u5728\u5b66\u4e60\u6570\u636e\u7ed3\u6784\u4e0e\u7b97\u6cd5\u65f6\uff0c\u6211\u4eec\u4e60\u60ef\u7684\u5c06\u5f85\u5904\u7406\u6570\u636e\u770b\u6210\u6574\u6570\uff0c\u4f46\u662f\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c<span style=\"color:#f33b45;\">\u539f\u59cb\u94fe\u8868\u4e2d\u5b58\u50a8\u7684\u5f88\u53ef\u80fd\u662f\u5f88\u5927\u7684\u5bf9\u8c61<\/span>\uff0c\u800c<span style=\"color:#f33b45;\">\u7d22\u5f15\u7ed3\u70b9\u53ea\u9700\u8981\u5b58\u50a8\u5173\u952e\u503c\uff08\u7528\u6765\u6bd4\u8f83\u7684\u503c\uff09\u548c\u51e0\u4e2a\u6307\u9488\uff08\u627e\u5230\u4e0b\u7ea7\u7d22\u5f15\u7684\u6307\u9488\uff09\uff0c\u5e76\u4e0d\u9700\u8981\u5b58\u50a8\u539f\u59cb\u94fe\u8868\u4e2d\u5b8c\u6574\u7684\u5bf9\u8c61<\/span>\uff0c<strong><span style=\"color:#86ca5e;\">\u6240\u4ee5\u5f53\u5bf9\u8c61\u6bd4\u7d22\u5f15\u7ed3\u70b9\u5927\u5f88\u591a\u65f6\uff0c\u90a3\u7d22\u5f15\u5360\u7528\u7684\u989d\u5916\u7a7a\u95f4\u5c31\u53ef\u4ee5\u5ffd\u7565<\/span><\/strong>\u4e86\u3002&nbsp;<\/p>\n<p id=\"%E5%9B%9B%E3%80%81%E9%AB%98%E6%95%88%E7%9A%84%E5%8A%A8%E6%80%81%E6%8F%92%E5%85%A5%E5%92%8C%E5%88%A0%E9%99%A4%C2%A0\"><span style=\"color:#fe2c24;\"><strong>\u9ad8\u6548\u7684\u52a8\u6001\u63d2\u5165\u548c\u5220\u9664&nbsp;<\/strong><\/span><\/p>\n<p>\u8df3\u8868\u8fd9\u4e2a\u52a8\u6001\u6570\u636e\u7ed3\u6784\uff0c\u4e0d\u4ec5\u652f\u6301\u67e5\u627e\u64cd\u4f5c\uff0c\u8fd8\u652f\u6301\u52a8\u6001\u7684\u63d2\u5165\u3001\u5220\u9664\u64cd\u4f5c\uff0c\u800c\u4e14<strong><span style=\"color:#f33b45;\">\u63d2\u5165\u3001\u5220\u9664\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e5f\u662f \u25cb(\u33d2n)\u3002<\/span><\/strong>&nbsp;<\/p>\n<p>\u5bf9\u4e8e\u5355\u7eaf\u7684\u5355\u94fe\u8868\uff0c\u9700\u8981\u904d\u5386\u6bcf\u4e2a\u7ed3\u70b9\u6765\u627e\u5230\u63d2\u5165\u7684\u4f4d\u7f6e\u3002\u4f46\u662f\u5bf9\u4e8e\u8df3\u8868\u6765\u8bf4\uff0c\u56e0\u4e3a\u5176\u67e5\u627e\u67d0\u4e2a\u7ed3\u70b9\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f 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src=\"https:\/\/img.mushiming.top\/app\/common_img\/2a77073460c14e9a9dd3e8440051f83a.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c7\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c7\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u4f5c\u4e3a\u4e00\u79cd\u52a8\u6001\u6570\u636e\u7ed3\u6784\uff0c\u6211\u4eec<strong><span style=\"color:#f33b45;\">\u9700\u8981\u67d0\u79cd\u624b\u6bb5\u6765\u7ef4\u62a4\u7d22\u5f15\u4e0e\u539f\u59cb\u94fe\u8868\u5927\u5c0f\u4e4b\u95f4\u7684\u5e73\u6ed1<\/span><\/strong>\uff0c\u4e5f\u5c31\u662f\u8bf4<span style=\"color:#f33b45;\">\u5982\u679c\u94fe\u8868\u4e2d\u7ed3\u70b9\u591a\u4e86\uff0c\u7d22\u5f15\u7ed3\u70b9\u5c31\u76f8\u5e94\u5730\u589e\u52a0\u4e00\u4e9b\uff0c\u907f\u514d\u590d\u6742\u5ea6\u9000\u5316<\/span>\uff0c\u4ee5\u53ca\u67e5\u627e\u3001\u63d2\u5165\u3001\u5220\u9664\u64cd\u4f5c\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p><strong><span style=\"color:#f33b45;\">\u8df3\u8868\u662f\u901a\u8fc7\u968f\u673a\u51fd\u6570\u6765\u7ef4\u62a4\u524d\u9762\u63d0\u5230\u7684\u5e73\u8861\u6027\u3002<\/span><\/strong>&nbsp;<\/p>\n<p>\u6211\u4eec\u5f80\u8df3\u8868\u4e2d\u63d2\u5165\u6570\u636e\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u9009\u62e9\u540c\u65f6\u5c06\u8fd9\u4e2a\u6570\u636e\u63d2\u5165\u5230\u7b2c\u51e0\u7ea7\u7d22\u5f15\u4e2d\uff0c\u6bd4\u5982\u968f\u673a\u51fd\u6570\u751f\u6210\u4e86\u503c K\uff0c\u90a3\u6211\u4eec\u5c31\u5c06\u8fd9\u4e2a\u7ed3\u70b9\u6dfb\u52a0\u5230\u7b2c\u4e00\u7ea7\u5230\u7b2c K \u7ea7\u8fd9 K \u7ea7\u7d22\u5f15\u4e2d\u3002&nbsp;\u968f\u673a\u51fd\u6570\u53ef\u4ee5\u4fdd\u8bc1\u8df3\u8868\u7684\u7d22\u5f15\u5927\u5c0f\u548c\u6570\u636e\u5927\u5c0f\u7684\u5e73\u8861\u6027\uff0c\u4e0d\u81f3\u4e8e\u6027\u80fd\u8fc7\u5ea6\u9000\u5316\u3002<\/p>\n<p style=\"text-align:center;\"><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/983cfd835c174ba488c05228151a9e11.png\" =\"\" =\"\" alt=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c8\u5f20\" title=\"Redis\u4e00\u4e9b\u57fa\u672c\u95ee\u9898\u6574\u7406 \u6280\u672f\u535a\u5ba2 \u7b2c8\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h1 id=\"4.Redis%E7%9A%84%E6%95%B0%E6%8D%AE%E8%BF%87%E6%9C%9F%E7%AD%96%E7%95%A5%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\"><\/h1>\n<h1 id=\"21.Redis%E4%BD%BF%E7%94%A8%E8%B7%B3%E8%A1%A8%E4%B8%8D%E7%94%A8B%2B%E6%A0%91%E7%9A%84%E5%8E%9F%E5%9B%A0%EF%BC%9F\">21.Redis\u4f7f\u7528\u8df3\u8868\u4e0d\u7528B+\u6811\u7684\u539f\u56e0\uff1f<\/h1>\n<p>Redis\u9009\u62e9\u4f7f\u7528\u8df3\u8868\u800c\u4e0d\u662fB+\u6811\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ol>\n<li>\u7b80\u5355\u6027\u548c\u6613\u4e8e\u5b9e\u73b0\uff1a\u8df3\u8868\u76f8\u5bf9\u4e8eB+\u6811\u6765\u8bf4\uff0c\u5b9e\u73b0\u8d77\u6765\u66f4\u52a0\u7b80\u5355\u3002\u5b83\u7684\u57fa\u672c\u64cd\u4f5c\u5305\u62ec\u63d2\u5165\u3001\u5220\u9664\u548c\u67e5\u627e\uff0c\u800cB+\u6811\u6d89\u53ca\u5230\u66f4\u590d\u6742\u7684\u5e73\u8861\u64cd\u4f5c\uff0c\u5982\u65cb\u8f6c\u548c\u5408\u5e76\u3002\u8df3\u8868\u7684\u5b9e\u73b0\u903b\u8f91\u76f8\u5bf9\u7b80\u5355\uff0c\u5bb9\u6613\u7406\u89e3\u548c\u8c03\u8bd5\u3002<\/li>\n<li>\u8df3\u8868\u9002\u5408\u5c0f\u89c4\u6a21\u6570\u636e\u96c6\uff1aRedis\u901a\u5e38\u7528\u4e8e\u7f13\u5b58\u573a\u666f\uff0c\u5bf9\u4e8e\u76f8\u5bf9\u8f83\u5c0f\u7684\u6570\u636e\u96c6\u800c\u8a00\uff0c\u8df3\u8868\u80fd\u591f\u63d0\u4f9b\u8f83\u597d\u7684\u6027\u80fd\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cB+\u6811\u5728\u5927\u89c4\u6a21\u6570\u636e\u96c6\u7684\u60c5\u51b5\u4e0b\u624d\u80fd\u4f53\u73b0\u5176\u4f18\u52bf\uff0c\u800c\u5bf9\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\u96c6\uff0c\u8df3\u8868\u7684\u6027\u80fd\u8868\u73b0\u66f4\u597d\u3002<\/li>\n<li>\u8df3\u8868\u7684\u67e5\u627e\u6548\u7387\u4e0eB+\u6811\u63a5\u8fd1\uff1a\u5728\u5e73\u5747\u60c5\u51b5\u4e0b\uff0c\u8df3\u8868\u7684\u63d2\u5165\u3001\u5220\u9664\u548c\u67e5\u627e\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(log n)\uff0c\u4e0eB+\u6811\u76f8\u5f53\u3002\u5c3d\u7ba1\u5728\u6700\u574f\u60c5\u51b5\u4e0b\uff0c\u8df3\u8868\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u53ef\u80fd\u8fbe\u5230O(n)\uff0c\u4f46\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u7531\u4e8e\u6570\u636e\u5206\u5e03\u7684\u968f\u673a\u6027\uff0c\u6700\u574f\u60c5\u51b5\u51fa\u73b0\u7684\u6982\u7387\u8f83\u4f4e\u3002<\/li>\n<li>\u7a7a\u95f4\u5360\u7528\u66f4\u5c0f\uff1a\u76f8\u6bd4\u4e8eB+\u6811\uff0c\u8df3\u8868\u7684\u6570\u636e\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u5b58\u50a8\u989d\u5916\u7684\u6307\u9488\u548c\u5143\u6570\u636e\u4fe1\u606f\uff0c\u56e0\u6b64\u5728\u5b58\u50a8\u7a7a\u95f4\u4e0a\u66f4\u52a0\u7d27\u51d1\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9009\u62e9\u6570\u636e\u7ed3\u6784\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u6765\u51b3\u5b9a\u3002B+\u6811\u9002\u7528\u4e8e\u66f4\u5927\u89c4\u6a21\u7684\u6570\u636e\u96c6\u548c\u8303\u56f4\u67e5\u8be2\u7b49\u573a\u666f\uff0c\u800c\u8df3\u8868\u5219\u5728\u5c0f\u89c4\u6a21\u6570\u636e\u96c6\u548c\u6709\u5e8f\u96c6\u5408\u7684\u64cd\u4f5c\u4e0a\u66f4\u52a0\u9ad8\u6548\u3002Redis\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\u548c\u7f13\u5b58\u7cfb\u7edf\uff0c\u9009\u62e9\u8df3\u8868\u4f5c\u4e3a\u6709\u5e8f\u96c6\u5408\u7684\u5b9e\u73b0\uff0c\u662f\u57fa\u4e8e\u5bf9\u5e94\u7528\u573a\u666f\u548c\u6027\u80fd\u9700\u6c42\u7684\u7efc\u5408\u8003\u8651\u3002<\/p>\n<\/p>\n<h1 id=\"22.%E8%B7%B3%E8%B7%83%E8%A1%A8%E5%92%8CB%2B%E6%A0%91%E7%BB%93%E6%9E%84%E4%B8%8A%E6%9C%89%E5%95%A5%E5%8C%BA%E5%88%AB\">22.\u8df3\u8dc3\u8868\u548cB+\u6811\u7ed3\u6784\u4e0a\u6709\u5565\u533a\u522b<\/h1>\n<p>\u8df3\u8dc3\u8868\uff08Skip List\uff09\u548cB+\u6811\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4eec\u5728\u5b9e\u73b0\u548c\u6027\u80fd\u7279\u5f81\u4e0a\u6709\u4e00\u4e9b\u533a\u522b\u3002<\/p>\n<ol>\n<li>\u7ed3\u6784\u7279\u70b9\uff1a\n<ul>\n<li>\u8df3\u8dc3\u8868\u662f\u4e00\u79cd\u57fa\u4e8e\u94fe\u8868\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7\u591a\u5c42\u7d22\u5f15\u6765\u52a0\u901f\u67e5\u627e\u3002\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u4e00\u4e2a\u952e\u503c\u5bf9\u548c\u6307\u5411\u4e0b\u4e00\u5c42\u8282\u70b9\u7684\u6307\u9488\u3002<\/li>\n<li>B+\u6811\u662f\u4e00\u79cd\u57fa\u4e8e\u6811\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5177\u6709\u5c42\u6b21\u7ed3\u6784\u548c\u6709\u5e8f\u6027\u3002\u6bcf\u4e2a\u8282\u70b9\u53ef\u4ee5\u5b58\u50a8\u591a\u4e2a\u952e\u503c\u5bf9\uff0c\u5e76\u4e14\u5b58\u5728\u6307\u5411\u5b50\u8282\u70b9\u7684\u6307\u9488\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\uff1a\n<ul>\n<li>\u8df3\u8dc3\u8868\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u76f8\u5bf9\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u76f8\u5e94\u7684\u5c42\u7ea7\u4e0a\u8fdb\u884c\u63d2\u5165\u6216\u5220\u9664\u8282\u70b9\u5373\u53ef\u3002\u5e73\u5747\u60c5\u51b5\u4e0b\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(log n)\u3002<\/li>\n<li>B+\u6811\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u76f8\u5bf9\u590d\u6742\uff0c\u9700\u8981\u8fdb\u884c\u5e73\u8861\u64cd\u4f5c\u4ee5\u7ef4\u62a4\u6811\u7684\u5e73\u8861\u6027\u3002\u5e73\u5747\u60c5\u51b5\u4e0b\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e5f\u4e3aO(log n)\uff0c\u4f46\u7531\u4e8e\u6811\u7684\u5e73\u8861\u6027\u80fd\u591f\u4fdd\u6301\uff0c\u6700\u574f\u60c5\u51b5\u4e0b\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u66f4\u53ef\u63a7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u67e5\u627e\u64cd\u4f5c\uff1a\n<ul>\n<li>\u8df3\u8dc3\u8868\u7684\u67e5\u627e\u64cd\u4f5c\u901a\u8fc7\u591a\u5c42\u7d22\u5f15\uff0c\u53ef\u4ee5\u5728\u5e73\u5747\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5bf9\u6570\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u67e5\u627e\u3002\u4f46\u5728\u6700\u574f\u60c5\u51b5\u4e0b\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002<\/li>\n<li>B+\u6811\u7684\u67e5\u627e\u64cd\u4f5c\u901a\u8fc7\u6811\u7684\u5c42\u6b21\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u5e73\u5747\u548c\u6700\u574f\u60c5\u51b5\u4e0b\u90fd\u5b9e\u73b0\u5bf9\u6570\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u67e5\u627e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7a7a\u95f4\u5360\u7528\uff1a\n<ul>\n<li>\u8df3\u8dc3\u8868\u76f8\u5bf9\u4e8eB+\u6811\u6765\u8bf4\uff0c\u5728\u5b58\u50a8\u4e0a\u66f4\u4e3a\u7d27\u51d1\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u5b58\u50a8\u989d\u5916\u7684\u6307\u9488\u548c\u5143\u6570\u636e\u4fe1\u606f\u3002<\/li>\n<li>B+\u6811\u9700\u8981\u5b58\u50a8\u6bcf\u4e2a\u8282\u70b9\u7684\u5b50\u8282\u70b9\u6307\u9488\u548c\u989d\u5916\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u56e0\u6b64\u5728\u5b58\u50a8\u7a7a\u95f4\u4e0a\u76f8\u5bf9\u5360\u7528\u66f4\u591a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u8df3\u8dc3\u8868\u9002\u7528\u4e8e\u8f83\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u96c6\u548c\u7b80\u5355\u7684\u6709\u5e8f\u96c6\u5408\u64cd\u4f5c\uff0c\u5b9e\u73b0\u7b80\u5355\u4e14\u6027\u80fd\u826f\u597d\u3002\u800cB+\u6811\u9002\u7528\u4e8e\u66f4\u5927\u89c4\u6a21\u7684\u6570\u636e\u96c6\u548c\u8303\u56f4\u67e5\u8be2\u7b49\u573a\u666f\uff0c\u5bf9\u4e8e\u7ef4\u62a4\u6709\u5e8f\u6027\u548c\u5e73\u8861\u6027\u6709\u66f4\u597d\u7684\u652f\u6301\u3002\u9009\u62e9\u4f7f\u7528\u54ea\u79cd\u6570\u636e\u7ed3\u6784\u5e94\u8be5\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u6027\u80fd\u8981\u6c42\u8fdb\u884c\u6743\u8861\u3002<\/p>\n<h1 id=\"11.Redis%E7%9A%84%E7%BC%93%E5%AD%98%E4%BC%98%E5%8C%96%E6%96%B9%E5%90%91%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%9F%E4%BD%A0%E4%BB%AC%E6%80%8E%E4%B9%88%E7%90%86%E8%A7%A3%E7%9A%84%EF%BC%9F%E5%AF%B9%E7%83%AD%E7%82%B9%E9%94%AE%E7%9A%84%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9%E8%AE%BE%E8%AE%A1%E4%BB%80%E4%B9%88%EF%BC%9F\">23.Redis\u7684\u7f13\u5b58\u4f18\u5316\u65b9\u5411\u6709\u54ea\u4e9b\uff1f\u4f60\u4eec\u600e\u4e48\u7406\u89e3\u7684\uff1f\u5bf9\u70ed\u70b9\u952e\u7684\u6ce8\u610f\u4e8b\u9879\u8bbe\u8ba1\u4ec0\u4e48\uff1f<\/h1>\n<p><span style=\"color:#86ca5e;\"><strong>\u7f13\u5b58\u7684\u4e3b\u8981\u4f18\u52bf\u548c\u6210\u672c\uff1a<\/strong><\/span><\/p>\n<ul>\n<li>\u7f13\u5b58\u6536\u76ca\uff1a\u52a0\u901f\u8bfb\u5199\u3001\u964d\u4f4e\u540e\u7aef\u5b58\u50a8\u8d1f\u8f7d\uff1b<\/li>\n<li>\u7f13\u5b58\u6210\u672c\uff1a\u7f13\u5b58\u548c\u5b58\u50a8\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u3001\u4ee3\u7801\u7ef4\u62a4\u6210\u672c\u3001\u8fd0\u7ef4\u6210\u672c\uff1b<\/li>\n<\/ul>\n<p><span style=\"color:#86ca5e;\"><strong>\u4f18\u5316\u65b9\u5411\uff1a<\/strong><\/span><\/p>\n<ul>\n<li><strong><span style=\"color:#f33b45;\">Redis \u7684\u6570\u636e\u8fc7\u671f\u7b56\u7565<\/span><\/strong>\uff1a<strong><span style=\"color:#f33b45;\">\u91c7\u7528\u5b9a\u671f\u5220\u9664+\u60f0\u6027\u5220\u9664\u7b56\u7565\u7ed3\u5408\u8d77\u6765\uff0c\u4ee5\u53ca\u91c7\u7528\u6dd8\u6c70\u7b56\u7565\u6765\u515c\u5e95\u3002<\/span><\/strong><\/li>\n<li><span style=\"color:#f33b45;\">\u7f13\u5b58\u7c92\u5ea6\u63a7\u5236<\/span>\uff1a\u5168\u90e8\u5c5e\u6027\u66f4\u597dor\u90e8\u5206\u91cd\u8981\u5c5e\u6027\u66f4\u597d\uff1f<\/li>\n<li><span style=\"color:#f33b45;\">\u7f13\u5b58\u7a7f\u900f\u4f18\u5316<\/span>\uff1a\u7f13\u5b58\u7a7a\u5bf9\u8c61 +&nbsp;\u5e03\u9686\u8fc7\u6ee4\u5668\u62e6\u622a\uff08\u901a\u8fc7\u5f88\u5c0f\u7684\u5185\u5b58\u6765\u5b9e\u73b0\u5bf9\u6570\u636e\u7684\u8fc7\u6ee4\u3002\uff09<\/li>\n<li><span style=\"color:#f33b45;\">\u7f13\u5b58\u96ea\u5d29\u4f18\u5316<\/span>\uff1a\u4fdd\u8bc1\u7f13\u5b58\u9ad8\u53ef\u7528\u6027\uff0c\u4f8b\u5982 Redis Cluster\u3001Redis Sentinel\u3001VIP\uff1b\u4f9d\u8d56\u9694\u79bb\u7ec4\u4ef6\u4e3a\u540e\u7aef\u9650\u6d41\uff1b\u63d0\u524d\u6f14\u7ec3\uff0c\u4f8b\u5982\u538b\u529b\u6d4b\u8bd5\u3002<\/li>\n<li><span style=\"color:#f33b45;\">\u65e0\u5e95\u6d1e\u95ee\u9898\u4f18\u5316<\/span>\uff1a\u547d\u4ee4\u672c\u8eab\u4f18\u5316\uff0c\u4f8b\u5982\u6162\u67e5\u8be2 keys\u3001hgetall bigkey\uff1b\u51cf\u5c11\u7f51\u7edc\u901a\u4fe1\u6b21\u6570\uff1b\u964d\u4f4e\u63a5\u5165\u6210\u672c\uff0c\u4f8b\u5982\u5ba2\u6237\u7aef\u4f7f\u7528\u957f\u8fde\u63a5\/\u8fde\u63a5\u6c60\u3001NIO \u7b49 \u3002<\/li>\n<li><strong><span style=\"color:#f33b45;\">\u70ed\u70b9key\u4f18\u5316<\/span><\/strong>\uff1a<span style=\"color:#f33b45;\">\u907f\u514d bigkey<\/span>\uff1b<span style=\"color:#f33b45;\">\u70ed\u952e\u4e0d\u8981\u7528 hash_tag<\/span>\uff0c\u56e0\u4e3a hash_tag \u4f1a\u843d\u5230\u4e00\u4e2a\u8282\u70b9\u4e0a\uff1b<span style=\"color:#f33b45;\">\u5982\u679c\u771f\u6709\u70ed\u70b9 key \u800c\u4e14\u4e1a\u52a1\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u4e0d\u9ad8\u65f6\uff0c\u53ef\u4ee5\u7528\u672c\u5730\u7f13\u5b58 + MQ \u89e3\u51b3<\/span>\u3002<\/li>\n<li><span style=\"color:#f33b45;\"><strong>\u70ed\u70b9key\u91cd\u5efa\u4f18\u5316<\/strong><\/span>\uff1a<strong><span style=\"color:#f33b45;\">\u4e92\u65a5\u9501\uff08mutex key\uff09<\/span><\/strong>\uff0c\u67e5\u8be2\u6570\u636e\u6e90 -&gt; \u91cd\u5efa\u7f13\u5b58 \u8fd9\u4e2a\u8fc7\u7a0b\u52a0\u4e92\u65a5\u9501\uff1b<span style=\"color:#f33b45;\"><strong>\u6c38\u4e0d\u8fc7\u671f<\/strong><\/span>\uff0c<span style=\"color:#f33b45;\"><strong>\u7f13\u5b58\u5c42\u9762<\/strong>\u4e0d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/span>\uff08\u6ca1\u6709\u7528 expire\uff09\uff0c<span style=\"color:#f33b45;\"><strong>\u529f\u80fd\u5c42\u9762<\/strong>\u4e3a\u6bcf\u4e2a value \u6dfb\u52a0\u903b\u8f91\u8fc7\u671f\u65f6\u95f4<\/span>\uff0c\u4f46<span style=\"color:#f33b45;\">\u53d1\u73b0\u8d85\u8fc7\u903b\u8f91\u8fc7\u671f\u65f6\u95f4\u540e\uff0c\u4f1a<strong>\u4f7f\u7528\u5355\u72ec\u7684\u7ebf\u7a0b<\/strong>\u53bb\u6784\u5efa\u7f13\u5b58<\/span>\u3002<\/li>\n<\/ul>\n<p><span style=\"color:#f33b45;\"><strong>\u5bf9\u70ed\u70b9\u952e\u7684\u6ce8\u610f\u4e8b\u9879\uff0c\u5982\u4e0a\u70ed\u70b9key\u4f18\u5316\u548c\u70ed\u70b9key\u91cd\u5efa\u4f18\u5316\u3002<\/strong><\/span><\/p>\n<h1 id=\"12.%E9%AB%98%E5%B9%B6%E5%8F%91%E6%83%85%E5%86%B5%E4%B8%8B%EF%BC%8C%E5%AF%B9%E4%BA%8ERedis%E7%9A%84%E6%9B%B4%E6%96%B0%E6%93%8D%E4%BD%9C%E6%9C%89%E5%93%AA%E4%BA%9B%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9%EF%BC%9F\">24.\u8df3\u8868\uff08Skip List\uff09\u4e09\u5927\u95ee\u9898\u4e3e\u4f8b<\/h1>\n<p>\u8df3\u8868\u662f\u4e00\u79cd\u57fa\u4e8e\u94fe\u8868\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u901a\u8fc7\u589e\u52a0\u591a\u7ea7\u7d22\u5f15\u6765\u63d0\u9ad8\u67e5\u627e\u6548\u7387\uff0c\u7c7b\u4f3c\u4e8e\u5e73\u8861\u6811\u7684\u6548\u679c\u3002\u5728\u6709\u5e8f\u94fe\u8868\u4e2d\uff0c\u67e5\u627e\u67d0\u4e2a\u5143\u7d20\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(n)\uff0c\u800c\u5728\u8df3\u8868\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u7ea7\u7d22\u5f15\u8fdb\u884c\u8df3\u8dc3\u67e5\u627e\uff0c\u5e73\u5747\u67e5\u627e\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(log n)\u3002<\/p>\n<p><strong>\u8df3\u8868\u5b58\u5728\u7684\u4e09\u4e2a\u95ee\u9898<\/strong><\/p>\n<ul>\n<li>a. \u7a7a\u95f4\u590d\u6742\u5ea6\uff1a\u8df3\u8868\u4e2d\u9700\u8981\u7ef4\u62a4\u591a\u7ea7\u7d22\u5f15\uff0c\u5bfc\u81f4\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n<li>b. \u7ef4\u62a4\u6210\u672c\uff1a\u5f53\u6709\u65b0\u5143\u7d20\u63d2\u5165\u6216\u5220\u9664\u65f6\uff0c\u9700\u8981\u66f4\u65b0\u76f8\u5e94\u7684\u7d22\u5f15\u7ed3\u6784\uff0c\u5bfc\u81f4\u7ef4\u62a4\u6210\u672c\u8f83\u9ad8\u3002<\/li>\n<li>c. \u5b9e\u73b0\u590d\u6742\u5ea6\uff1a\u76f8\u5bf9\u4e8e\u5176\u4ed6\u6570\u636e\u7ed3\u6784\uff08\u5982\u7ea2\u9ed1\u6811\uff09\uff0c\u8df3\u8868\u7684\u5b9e\u73b0\u6bd4\u8f83\u590d\u6742\u3002<\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8df3\u8868\u662fRedis\u4e2d\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7684\u5e95\u5c42\u5b9e\u73b0\u4e4b\u4e00\uff0cRedis\u4f7f\u7528\u8df3\u8868\u6765\u5b9e\u73b0\u6709\u5e8f\u96c6\u5408\u6570\u636e\u7ed3\u6784\uff0c\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u8303\u56f4\u67e5\u627e\u64cd\u4f5c\u3002\u8df3\u8868\u5728Redis\u4e2d\u7684\u5e94\u7528\u4f53\u73b0\u4e86\u5176\u5728\u9ad8\u6027\u80fd\u6570\u636e\u5e93\u4e2d\u7684\u4ef7\u503c\u3002<\/p>\n<h1 id=\"25.Zset%E5%BA%95%E5%B1%82%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E5%88%86%E6%9E%90%EF%BC%8C%E5%A6%82%E4%BD%95%E4%BD%93%E7%8E%B0%E7%9A%84%E9%AB%98%E6%95%88%EF%BC%9F%EF%BC%88%E5%BF%85%E8%80%83%EF%BC%89\">25.Zset\u5e95\u5c42\u7684\u6570\u636e\u7ed3\u6784\u5206\u6790\uff0c\u5982\u4f55\u4f53\u73b0\u7684\u9ad8\u6548\uff1f\uff08\u5fc5\u8003\uff09<\/h1>\n<p><strong><span style=\"color:#fe2c24;\">\u5728Redis\u4e2d\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f7f\u7528\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u662f\u8df3\u8868\uff08Skip List\uff09\u548c\u54c8\u5e0c\u8868\uff08Hash Table\uff09\u7684\u7ed3\u5408\u3002<\/span><\/strong><\/p>\n<p>\u8df3\u8868\u662f\u4e00\u79cd\u6709\u5e8f\u7684\u94fe\u8868\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7\u5728\u6bcf\u4e00\u5c42\u94fe\u8868\u4e0a\u5efa\u7acb\u7d22\u5f15\u8282\u70b9\uff0c\u53ef\u4ee5\u5728\u641c\u7d22\u548c\u63d2\u5165\u64cd\u4f5c\u4e2d\u5b9e\u73b0\u8f83\u9ad8\u7684\u6548\u7387\u3002\u8df3\u8868\u5141\u8bb8\u5feb\u901f\u7684\u5143\u7d20\u67e5\u627e\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(log N)\uff0c\u5176\u4e2dN\u4e3a\u5143\u7d20\u4e2a\u6570\u3002\u8df3\u8868\u7684\u9ad8\u6548\u6027\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ol>\n<li>\u67e5\u627e\u6548\u7387\u9ad8\uff1a\u8df3\u8868\u901a\u8fc7\u5efa\u7acb\u591a\u7ea7\u7d22\u5f15\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u76ee\u6807\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u50cf\u666e\u901a\u94fe\u8868\u90a3\u6837\u9010\u4e2a\u904d\u5386\u3002\u56e0\u6b64\uff0c\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u8fdb\u884c\u5143\u7d20\u7684\u67e5\u627e\u64cd\u4f5c\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<li>\u63d2\u5165\u548c\u5220\u9664\u6548\u7387\u9ad8\uff1a\u8df3\u8868\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u76f8\u5bf9\u7b80\u5355\u3002\u7531\u4e8e\u8df3\u8868\u7684\u7ed3\u6784\u7279\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u7d22\u5f15\u8282\u70b9\u7684\u6307\u9488\u6765\u5b9e\u73b0\u5143\u7d20\u7684\u63d2\u5165\u548c\u5220\u9664\uff0c\u800c\u4e0d\u9700\u8981\u5bf9\u6574\u4e2a\u6570\u636e\u7ed3\u6784\u8fdb\u884c\u91cd\u7ec4\u3002<\/li>\n<li>\u7a7a\u95f4\u6548\u7387\uff1a\u8df3\u8868\u76f8\u5bf9\u4e8e\u5176\u4ed6\u5e73\u8861\u6811\u7ed3\u6784\uff08\u5982\u7ea2\u9ed1\u6811\uff09\u6765\u8bf4\uff0c\u5177\u6709\u66f4\u4f4e\u7684\u7a7a\u95f4\u5360\u7528\u3002\u8df3\u8868\u7684\u7d22\u5f15\u5c42\u7ea7\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u7075\u6d3b\u8c03\u6574\uff0c\u53ef\u4ee5\u5728\u5e73\u8861\u6027\u548c\u7a7a\u95f4\u6548\u7387\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/li>\n<li>\u652f\u6301\u8303\u56f4\u67e5\u8be2\uff1a\u8df3\u8868\u53ef\u4ee5\u652f\u6301\u8303\u56f4\u67e5\u8be2\uff0c\u4f8b\u5982\u83b7\u53d6\u67d0\u4e2a\u8303\u56f4\u5185\u7684\u5143\u7d20\u6216\u8005\u6309\u6392\u540d\u83b7\u53d6\u6307\u5b9a\u6392\u540d\u8303\u56f4\u5185\u7684\u5143\u7d20\u3002\u8fd9\u5bf9\u4e8e\u6709\u5e8f\u96c6\u5408\u6765\u8bf4\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ol>\n<p>\u603b\u4f53\u800c\u8a00\uff0c\u8df3\u8868\u4f5c\u4e3a\u6709\u5e8f\u96c6\u5408\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\uff0c\u5728\u5143\u7d20\u7684\u67e5\u627e\u3001\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u4e0a\u5177\u6709\u8f83\u9ad8\u7684\u6548\u7387\u3002\u5b83\u65e2\u80fd\u4fdd\u6301\u6709\u5e8f\u6027\uff0c\u53c8\u80fd\u901a\u8fc7\u7d22\u5f15\u5c42\u7ea7\u7684\u5efa\u7acb\u548c\u8c03\u6574\u6765\u63d0\u9ad8\u64cd\u4f5c\u7684\u6548\u7387\u3002\u8fd9\u4f7f\u5f97\u6709\u5e8f\u96c6\u5408\u5728Redis\u4e2d\u7684\u4f7f\u7528\u975e\u5e38\u9ad8\u6548\u548c\u7075\u6d3b\u3002<\/p>\n<h1 id=\"26.Redis%206.0%E4%BB%A5%E5%90%8E%E7%9A%84%E7%BA%BF%E7%A8%8B%E6%A8%A1%E5%9E%8B\">26.Redis 6.0\u4ee5\u540e\u7684\u7ebf\u7a0b\u6a21\u578b<\/h1>\n<p>Redis 6.0\u53ca\u5176\u540e\u7eed\u7248\u672c\u5f15\u5165\u4e86\u591a\u7ebf\u7a0b\u6a21\u578b\uff0c\u4ee5\u63d0\u9ad8Redis\u5728\u591a\u6838\u7cfb\u7edf\u4e0a\u7684\u6027\u80fd\u3002\u5728Redis 6.0\u4e4b\u524d\uff0cRedis\u91c7\u7528\u7684\u662f\u5355\u7ebf\u7a0b\u7684\u6a21\u578b\u3002<\/p>\n<p>Redis 6.0\u4e4b\u540e\u7684\u7ebf\u7a0b\u6a21\u578b\u88ab\u79f0\u4e3a\u201dRedis\u4e3b\u4ece\u7ebf\u7a0b\u6a21\u578b\u201d\uff0c\u5b83\u57fa\u4e8e\u591a\u7ebf\u7a0b\u6846\u67b6\uff0c\u5305\u62ecI\/O \u7ebf\u7a0b\u3001\u5de5\u4f5c\u7ebf\u7a0b\u548c\u7ba1\u7406\u7ebf\u7a0b\u3002<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">I\/O \u7ebf\u7a0b<\/span><\/strong>\uff1aI\/O \u7ebf\u7a0b\u4e3b\u8981\u8d1f\u8d23\u5904\u7406\u7f51\u7edc I\/O \u64cd\u4f5c\uff0c\u5305\u62ec\u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5\u3001\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\u3002\u5b83\u4eec\u4e13\u6ce8\u4e8e\u5904\u7406\u7f51\u7edc\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u5e76\u884c\u80fd\u529b\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5de5\u4f5c\u7ebf\u7a0b<\/span><\/strong>\uff1a\u5de5\u4f5c\u7ebf\u7a0b\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u975e\u963b\u585e\u7684\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u4f8b\u5982\u5bf9\u6570\u636e\u5e93\u7684\u8bfb\u5199\u64cd\u4f5c\u548c\u952e\u7a7a\u95f4\u7684\u64cd\u4f5c\u3002\u5b83\u4eec\u8d1f\u8d23\u6267\u884c\u547d\u4ee4\u8bf7\u6c42\u3001\u6267\u884c Lua \u811a\u672c\u3001\u6301\u4e45\u5316\u64cd\u4f5c\u548c\u590d\u5236\u64cd\u4f5c\u7b49\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u7ba1\u7406\u7ebf\u7a0b<\/span><\/strong>\uff1a\u7ba1\u7406\u7ebf\u7a0b\u4e3b\u8981\u8d1f\u8d23\u534f\u8c03\u6574\u4e2a\u7cfb\u7edf\u7684\u72b6\u6001\u548c\u7ba1\u7406\uff0c\u5305\u62ec\u5904\u7406\u7ebf\u7a0b\u95f4\u7684\u540c\u6b65\u3001\u5904\u7406\u547d\u4ee4\u8bf7\u6c42\u7684\u8c03\u5ea6\u548c\u5904\u7406\u7b49\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u79cd\u591a\u7ebf\u7a0b\u6a21\u578b\u7684\u5f15\u5165\u4f7f\u5f97Redis\u80fd\u591f\u540c\u65f6\u5229\u7528\u591a\u4e2aCPU\u6838\u5fc3\u6765\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002\u901a\u8fc7\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u7ebf\u7a0b\uff0cRedis\u80fd\u591f\u5728\u591a\u6838\u7cfb\u7edf\u4e0a\u5b9e\u73b0\u66f4\u597d\u7684\u8d1f\u8f7d\u5e73\u8861\u548c\u5e76\u884c\u5904\u7406\u80fd\u529b\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u7684\u591a\u7ebf\u7a0b\u6a21\u578b\u662f\u901a\u8fc7\u591a\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u5730\u5904\u7406\u8bf7\u6c42\uff0c\u4f46\u5728\u4efb\u4f55\u7ed9\u5b9a\u7684\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u7684\u5e76\u53d1\u51b2\u7a81\u3002\u8fd9\u79cd\u65b9\u5f0f\u786e\u4fdd\u4e86Redis\u7684\u6570\u636e\u4e00\u81f4\u6027\u548c\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/p>\n<h1 id=\"27.Redis%E9%9B%86%E7%BE%A4%E6%A8%A1%E5%BC%8F%EF%BC%8C%E8%8A%82%E7%82%B9%E6%80%8E%E4%B9%88%E9%80%9A%E4%BF%A1%E7%9A%84%EF%BC%9F%E6%BB%A1%E8%B6%B3%E4%BA%86CAP%E9%82%A3%E4%B8%A4%E7%82%B9%EF%BC%9F\">27.Redis\u96c6\u7fa4\u6a21\u5f0f\uff0c\u8282\u70b9\u600e\u4e48\u901a\u4fe1\u7684\uff1f\u6ee1\u8db3\u4e86CAP\u90a3\u4e24\u70b9\uff1f<\/h1>\n<p>\u5728 Redis \u96c6\u7fa4\u6a21\u5f0f\u4e2d\uff0c\u8282\u70b9\u4e4b\u95f4\u4f7f\u7528\u8282\u70b9\u95f4\u901a\u4fe1\uff08Node-to-Node Communication\uff09\u6765\u8fdb\u884c\u6570\u636e\u7684\u4ea4\u4e92\u548c\u540c\u6b65\u3002\u4e0b\u9762\u662f Redis \u96c6\u7fa4\u6a21\u5f0f\u8282\u70b9\u901a\u4fe1\u7684\u4e00\u822c\u539f\u7406\uff1a<\/p>\n<ol>\n<li>\u8282\u70b9\u95f4\u901a\u4fe1\u534f\u8bae\uff1aRedis \u96c6\u7fa4\u4f7f\u7528\u4e86\u81ea\u5b9a\u4e49\u7684\u4e8c\u8fdb\u5236\u534f\u8bae\uff08Redis Cluster Bus Protocol\uff09\u4f5c\u4e3a\u8282\u70b9\u95f4\u901a\u4fe1\u7684\u534f\u8bae\u3002\u8be5\u534f\u8bae\u57fa\u4e8e TCP\/IP \u8fdb\u884c\u901a\u4fe1\uff0c\u5e76\u4f7f\u7528\u4e8c\u8fdb\u5236\u6570\u636e\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<li>Gossip \u534f\u8bae\uff1aRedis \u96c6\u7fa4\u4f7f\u7528 Gossip \u534f\u8bae\u8fdb\u884c\u8282\u70b9\u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u6362\u548c\u72b6\u6001\u540c\u6b65\u3002\u6bcf\u4e2a\u8282\u70b9\u901a\u8fc7\u5468\u671f\u6027\u5730\u5411\u5176\u4ed6\u8282\u70b9\u53d1\u9001\u6d88\u606f\u6765\u83b7\u53d6\u96c6\u7fa4\u4e2d\u5176\u4ed6\u8282\u70b9\u7684\u4fe1\u606f\uff0c\u5982\u8282\u70b9\u7684\u5b58\u6d3b\u72b6\u6001\u3001\u62e5\u6709\u7684\u69fd\u4f4d\u5206\u5e03\u7b49\u3002<\/li>\n<li>\u63e1\u624b\u8fc7\u7a0b\uff1a\u5f53\u4e00\u4e2a\u65b0\u8282\u70b9\u52a0\u5165\u96c6\u7fa4\u65f6\uff0c\u5b83\u9996\u5148\u9700\u8981\u4e0e\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u8282\u70b9\u8fdb\u884c\u63e1\u624b\u3002\u901a\u8fc7 Gossip \u534f\u8bae\uff0c\u65b0\u8282\u70b9\u53ef\u4ee5\u83b7\u53d6\u96c6\u7fa4\u7684\u62d3\u6251\u7ed3\u6784\u548c\u8282\u70b9\u4fe1\u606f\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u3002<\/li>\n<li>\u6570\u636e\u8fc1\u79fb\uff1a\u5f53\u96c6\u7fa4\u4e2d\u7684\u67d0\u4e2a\u8282\u70b9\u5931\u6548\u6216\u8005\u65b0\u8282\u70b9\u52a0\u5165\u65f6\uff0c\u6570\u636e\u9700\u8981\u8fdb\u884c\u8fc1\u79fb\u4ee5\u4fdd\u8bc1\u96c6\u7fa4\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002Redis \u96c6\u7fa4\u4f7f\u7528\u5206\u7247\u7684\u65b9\u5f0f\u5c06\u6570\u636e\u5212\u5206\u4e3a\u591a\u4e2a\u69fd\u4f4d\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u5904\u7406\u5176\u4e2d\u7684\u4e00\u90e8\u5206\u69fd\u4f4d\u3002\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u6e90\u8282\u70b9\u5c06\u5c5e\u4e8e\u76ee\u6807\u8282\u70b9\u69fd\u4f4d\u7684\u6570\u636e\u4f20\u8f93\u7ed9\u76ee\u6807\u8282\u70b9\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5e73\u8861\u548c\u590d\u5236\u3002<\/li>\n<\/ol>\n<p>\u5173\u4e8e CAP\uff08\u4e00\u81f4\u6027\u3001\u53ef\u7528\u6027\u3001\u5206\u533a\u5bb9\u5fcd\u6027\uff09\u539f\u5219\uff0cRedis \u96c6\u7fa4\u6ee1\u8db3\u4e86\u5176\u4e2d\u7684\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u5206\u533a\u5bb9\u5fcd\u6027\uff08Partition Tolerance\uff09\uff1aRedis \u96c6\u7fa4\u4f7f\u7528\u6570\u636e\u5206\u7247\u7684\u65b9\u5f0f\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u5904\u7406\u5176\u4e2d\u7684\u4e00\u90e8\u5206\u6570\u636e\u69fd\u4f4d\u3002\u8fd9\u6837\u5373\u4f7f\u67d0\u4e2a\u8282\u70b9\u6216\u8005\u90e8\u5206\u8282\u70b9\u5931\u6548\uff0c\u96c6\u7fa4\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u5de5\u4f5c\uff0c\u4fdd\u8bc1\u4e86\u5206\u533a\u5bb9\u5fcd\u6027\u3002<\/li>\n<li>\u53ef\u7528\u6027\uff08Availability\uff09\uff1aRedis \u96c6\u7fa4\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\u7684\u65b9\u5f0f\u5b9e\u73b0\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u3002\u6bcf\u4e2a\u4e3b\u8282\u70b9\u90fd\u6709\u591a\u4e2a\u4ece\u8282\u70b9\u8fdb\u884c\u6570\u636e\u7684\u5907\u4efd\uff0c\u5f53\u4e3b\u8282\u70b9\u5931\u6548\u65f6\uff0c\u4ece\u8282\u70b9\u53ef\u4ee5\u63a5\u7ba1\u4e3b\u8282\u70b9\u7684\u5de5\u4f5c\uff0c\u5e76\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\uff0c\u4fdd\u8bc1\u4e86\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<p>\u4f46\u662f\uff0cRedis \u96c6\u7fa4\u5728\u4e00\u81f4\u6027\uff08Consistency\uff09\u65b9\u9762\u91c7\u53d6\u4e86\u6700\u7ec8\u4e00\u81f4\u6027\u7684\u7b56\u7565\u3002\u5728\u8282\u70b9\u5931\u6548\u6216\u8005\u6570\u636e\u8fc1\u79fb\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u72b6\u51b5\uff0c\u4f46\u968f\u540e\u4f1a\u901a\u8fc7\u540e\u7eed\u7684\u6570\u636e\u540c\u6b65\u548c\u4fee\u590d\u64cd\u4f5c\u6765\u4fdd\u8bc1\u6570\u636e\u6700\u7ec8\u7684\u4e00\u81f4\u6027\u3002\u56e0\u6b64\uff0cRedis \u96c6\u7fa4\u63d0\u4f9b\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5206\u533a\u5bb9\u5fcd\u6027\u548c\u53ef\u7528\u6027\uff0c\u5e76\u63d0\u4f9b\u4e86\u8fd1\u4f3c\u4e00\u81f4\u6027\u7684\u6570\u636e\u4fdd\u8bc1\u3002<\/p>\n<h1 id=\"28.Redis%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81%E5%AE%9E%E7%8E%B0%E4%B8%8A%E6%9C%89%E5%95%A5%E9%97%AE%E9%A2%98%E7%BC%BA%E9%99%B7%EF%BC%9F%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%EF%BC%9F\">28.Redis\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0\u4e0a\u6709\u5565\u95ee\u9898\u7f3a\u9677\uff1f\u600e\u4e48\u89e3\u51b3\uff1f<\/h1>\n<p>Redis\u5206\u5e03\u5f0f\u9501\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u548c\u7f3a\u9677\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u7f51\u7edc\u901a\u4fe1\u5ef6\u8fdf<\/span><\/strong>\uff1a\u7531\u4e8eRedis\u662f\u4e00\u4e2a\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u83b7\u53d6\u548c\u91ca\u653e\u9501\u90fd\u9700\u8981\u901a\u8fc7\u7f51\u7edc\u901a\u4fe1\uff0c\u53ef\u80fd\u4f1a\u5f15\u5165\u8f83\u9ad8\u7684\u5ef6\u8fdf\u3002\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u9501\u7684\u53ef\u91cd\u5165\u6027<\/span><\/strong>\uff1aRedis\u5206\u5e03\u5f0f\u9501\u9ed8\u8ba4\u4e0d\u652f\u6301\u9501\u7684\u53ef\u91cd\u5165\u6027\uff0c\u5373\u540c\u4e00\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u5728\u6301\u6709\u9501\u671f\u95f4\u65e0\u6cd5\u518d\u6b21\u83b7\u53d6\u8be5\u9501\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6b7b\u9501\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u9501\u7684\u8fc7\u671f\u95ee\u9898<\/span><\/strong>\uff1a\u5982\u679c\u83b7\u53d6\u9501\u7684\u5ba2\u6237\u7aef\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u5d29\u6e83\u6216\u7f51\u7edc\u4e2d\u65ad\uff0c\u9501\u53ef\u80fd\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u91ca\u653e\uff0c\u5bfc\u81f4\u5176\u4ed6\u5ba2\u6237\u7aef\u65e0\u6cd5\u83b7\u53d6\u5230\u9501\uff0c\u9020\u6210\u6b7b\u9501\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u65f6\u949f\u7684\u4e0d\u540c\u6b65<\/span><\/strong>\uff1a\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\uff0c\u5404\u4e2a\u8282\u70b9\u7684\u65f6\u949f\u53ef\u80fd\u5b58\u5728\u4e0d\u540c\u6b65\u7684\u60c5\u51b5\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5728\u4e0d\u540c\u8282\u70b9\u4e0a\u83b7\u53d6\u548c\u91ca\u653e\u9501\u65f6\u7684\u65f6\u95f4\u5224\u65ad\u4e0d\u51c6\u786e\uff0c\u4ece\u800c\u5f15\u53d1\u5e76\u53d1\u51b2\u7a81\u6216\u9501\u7684\u9519\u8bef\u91ca\u653e\u3002<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u548c\u7f3a\u9677\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4<\/span><\/strong>\uff1a\u5728\u83b7\u53d6\u9501\u65f6\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u5982\u679c\u8d85\u8fc7\u8be5\u65f6\u95f4\u4ecd\u672a\u83b7\u53d6\u5230\u9501\uff0c\u5219\u653e\u5f03\u6216\u91cd\u8bd5\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u9501\u88ab\u957f\u65f6\u95f4\u5360\u7528\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5b9e\u73b0\u9501\u7684\u53ef\u91cd\u5165\u6027<\/span><\/strong>\uff1a\u901a\u8fc7\u5728\u9501\u7684\u6570\u636e\u7ed3\u6784\u4e2d\u7ef4\u62a4\u6301\u6709\u9501\u7684\u5ba2\u6237\u7aef\u4fe1\u606f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9501\u7684\u53ef\u91cd\u5165\u6027\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u8ddf\u8e2a\u81ea\u5df1\u7684\u9501\u6301\u6709\u6b21\u6570\uff0c\u5e76\u5728\u91ca\u653e\u9501\u65f6\u76f8\u5e94\u5730\u51cf\u5c11\u8ba1\u6570\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u4f7f\u7528\u7ea2\u9501\u6216\u4e92\u65a5\u4f53<\/span><\/strong>\uff1a\u8003\u8651\u4f7f\u7528\u66f4\u590d\u6742\u7684\u9501\u673a\u5236\uff0c\u5982Redlock\u7b97\u6cd5\u6216\u57fa\u4e8e\u4e92\u65a5\u4f53\u7684\u5206\u5e03\u5f0f\u9501\uff0c\u4ee5\u589e\u5f3a\u9501\u7684\u53ef\u9760\u6027\u548c\u6b63\u786e\u6027\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">NTP\u65f6\u95f4\u540c\u6b65<\/span><\/strong>\uff1a\u786e\u4fdd\u5404\u4e2a\u8282\u70b9\u7684\u65f6\u949f\u540c\u6b65\uff0c\u53ef\u4ee5\u51cf\u5c11\u65f6\u949f\u4e0d\u540c\u6b65\u5bfc\u81f4\u7684\u95ee\u9898\u3002\u4f7f\u7528NTP\uff08\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u6216\u5176\u4ed6\u65f6\u95f4\u540c\u6b65\u673a\u5236\u53ef\u4ee5\u5e2e\u52a9\u8282\u70b9\u4fdd\u6301\u4e00\u81f4\u7684\u65f6\u949f\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u9501\u7684\u4e3b\u52a8\u7eed\u671f<\/span><\/strong>\uff1a\u5728\u6301\u6709\u9501\u7684\u5ba2\u6237\u7aef\u53ef\u4ee5\u5468\u671f\u6027\u5730\u66f4\u65b0\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u786e\u4fdd\u9501\u5728\u5ba2\u6237\u7aef\u6267\u884c\u7684\u65f6\u95f4\u5185\u4e0d\u4f1a\u8fc7\u671f\uff0c\u4ece\u800c\u907f\u514d\u9501\u7684\u9519\u8bef\u91ca\u653e\u3002<\/li>\n<\/ol>\n<p>\u7efc\u5408\u8003\u8651\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u89e3\u51b3\u65b9\u6848\u548c\u7b56\u7565\uff0c\u4ee5\u786e\u4fdd\u5206\u5e03\u5f0f\u9501\u7684\u6b63\u786e\u6027\u3001\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h1 id=\"29.%E5%A6%82%E6%9E%9C%E6%98%AFDB%E5%AE%9E%E7%8E%B0%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81%E7%9A%84%E8%AF%9D%EF%BC%8C%E4%B8%BB%E8%A6%81%E6%80%9D%E8%B7%AF%E6%98%AF%EF%BC%9F%E6%9C%89%E5%95%A5%E9%97%AE%E9%A2%98%EF%BC%9F%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%EF%BC%9F\">29.\u5982\u679c\u662fDB\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u8bdd\uff0c\u4e3b\u8981\u601d\u8def\u662f\uff1f\u6709\u5565\u95ee\u9898\uff1f\u600e\u4e48\u89e3\u51b3\uff1f<\/h1>\n<p>\u5982\u679c\u4f7f\u7528\u6570\u636e\u5e93\uff08DB\uff09\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4e3b\u8981\u601d\u8def\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u521b\u5efa\u552f\u4e00\u7ea6\u675f<\/span><\/strong>\uff1a\u5728\u6570\u636e\u5e93\u8868\u4e2d\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u552f\u4e00\u7ea6\u675f\u7684\u5217\uff0c\u7528\u4e8e\u8868\u793a\u9501\u7684\u72b6\u6001\u3002\u5f53\u67d0\u4e2a\u5ba2\u6237\u7aef\u6210\u529f\u63d2\u5165\u4e00\u884c\u65f6\uff0c\u8868\u793a\u8be5\u5ba2\u6237\u7aef\u83b7\u53d6\u5230\u4e86\u9501\u3002<\/li>\n<li><span style=\"color:#fe2c24;\"><strong>\u4e8b\u52a1\u64cd\u4f5c<\/strong><\/span>\uff1a\u901a\u8fc7\u6570\u636e\u5e93\u4e8b\u52a1\u6765\u786e\u4fdd\u5bf9\u9501\u7684\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\u3002\u5728\u83b7\u53d6\u9501\u65f6\uff0c\u901a\u8fc7\u4e8b\u52a1\u5c1d\u8bd5\u63d2\u5165\u4e00\u884c\uff0c\u82e5\u63d2\u5165\u6210\u529f\u5219\u83b7\u53d6\u5230\u4e86\u9501\uff1b\u5728\u91ca\u653e\u9501\u65f6\uff0c\u901a\u8fc7\u4e8b\u52a1\u5220\u9664\u76f8\u5e94\u7684\u884c\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u9501\u7684\u8fc7\u671f\u65f6\u95f4<\/span><\/strong>\uff1a\u53ef\u4ee5\u5728\u9501\u7684\u8bb0\u5f55\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8fc7\u671f\u65f6\u95f4\u5b57\u6bb5\uff0c\u8868\u793a\u9501\u7684\u6709\u6548\u671f\u3002\u5ba2\u6237\u7aef\u5728\u83b7\u53d6\u9501\u65f6\uff0c\u9700\u8981\u68c0\u67e5\u662f\u5426\u5b58\u5728\u8fc7\u671f\u7684\u9501\uff0c\u82e5\u5b58\u5728\u5219\u8ba4\u4e3a\u9501\u5df2\u8fc7\u671f\u5e76\u53ef\u4ee5\u83b7\u53d6\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5fc3\u8df3\u673a\u5236<\/span><\/strong>\uff1a\u5ba2\u6237\u7aef\u5728\u6301\u6709\u9501\u671f\u95f4\u53ef\u4ee5\u5b9a\u671f\u66f4\u65b0\u9501\u7684\u8fc7\u671f\u65f6\u95f4\u6216\u6267\u884c\u5fc3\u8df3\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u9501\u8fc7\u671f\u6216\u5176\u4ed6\u5ba2\u6237\u7aef\u83b7\u53d6\u9501\u3002<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u4f7f\u7528\u6570\u636e\u5e93\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u53ef\u4ee5\u89e3\u51b3\u4e00\u4e9b\u95ee\u9898\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u548c\u6311\u6218\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u5355\u70b9\u6545\u969c<\/span><\/strong>\uff1a\u5982\u679c\u6570\u636e\u5e93\u6210\u4e3a\u5355\u70b9\u6545\u969c\uff0c\u6574\u4e2a\u5206\u5e03\u5f0f\u9501\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u5f53\u6570\u636e\u5e93\u4e0d\u53ef\u7528\u65f6\uff0c\u65e0\u6cd5\u83b7\u53d6\u6216\u91ca\u653e\u9501\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6027\u80fd\u5f00\u9500<\/span><\/strong>\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u901a\u5e38\u6bd4\u8f83\u8017\u65f6\uff0c\u56e0\u6b64\u9891\u7e41\u7684\u9501\u83b7\u53d6\u548c\u91ca\u653e\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002\u6570\u636e\u5e93\u7684\u5e76\u53d1\u6027\u80fd\u9650\u5236\u4e86\u5206\u5e03\u5f0f\u9501\u7684\u541e\u5410\u91cf\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6b7b\u9501\u98ce\u9669<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u53ef\u80fd\u5b58\u5728\u6b7b\u9501\u7684\u98ce\u9669\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5ba2\u6237\u7aef\u5728\u6301\u6709\u9501\u671f\u95f4\u5d29\u6e83\u6216\u6267\u884c\u8017\u65f6\u7684\u64cd\u4f5c\uff0c\u5bfc\u81f4\u5176\u4ed6\u5ba2\u6237\u7aef\u65e0\u6cd5\u83b7\u53d6\u9501\uff0c\u4ece\u800c\u4ea7\u751f\u6b7b\u9501\u3002<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ol>\n<li><span style=\"color:#be191c;\"><strong>\u6570\u636e\u5e93\u9ad8\u53ef\u7528<\/strong><\/span>\uff1a\u786e\u4fdd\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u4f7f\u7528\u4e3b\u4ece\u590d\u5236\u3001\u6570\u636e\u5e93\u96c6\u7fa4\u6216\u5206\u7247\u7b49\u673a\u5236\uff0c\u51cf\u5c11\u5355\u70b9\u6545\u969c\u7684\u98ce\u9669\u3002<\/li>\n<li><span style=\"color:#be191c;\"><strong>\u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c<\/strong><\/span>\uff1a\u901a\u8fc7\u5408\u7406\u7684\u7d22\u5f15\u8bbe\u8ba1\u3001\u6279\u91cf\u64cd\u4f5c\u548c\u7f13\u5b58\u4f18\u5316\u7b49\u624b\u6bb5\uff0c\u4f18\u5316\u6570\u636e\u5e93\u7684\u6027\u80fd\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u64cd\u4f5c\u5bf9\u5206\u5e03\u5f0f\u9501\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u6b7b\u9501\u68c0\u6d4b\u4e0e\u5904\u7406<\/span><\/strong>\uff1a\u5b9e\u73b0\u6b7b\u9501\u68c0\u6d4b\u548c\u89e3\u51b3\u673a\u5236\uff0c\u4f8b\u5982\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u3001\u5b9a\u671f\u91ca\u653e\u672a\u53ca\u65f6\u91ca\u653e\u7684\u9501\uff0c\u6216\u4f7f\u7528\u6b7b\u9501\u68c0\u6d4b\u7b97\u6cd5\u6765\u89e3\u51b3\u6b7b\u9501\u95ee\u9898\u3002<\/li>\n<li><span style=\"color:#be191c;\"><strong>\u57fa\u4e8e\u7f13\u5b58\u7684\u9501<\/strong><\/span>\uff1a\u7ed3\u5408\u4f7f\u7528\u6570\u636e\u5e93\u548c\u7f13\u5b58\uff0c\u5c06\u9501\u7684\u72b6\u6001\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\uff0c\u5229\u7528\u7f13\u5b58\u7684\u9ad8\u6027\u80fd\u548c\u539f\u5b50\u64cd\u4f5c\u3002\u5f53\u83b7\u53d6\u9501\u65f6\uff0c\u5148\u5728\u7f13\u5b58\u4e2d\u68c0\u67e5\u9501\u7684\u72b6\u6001\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\u6216\u5df2\u8fc7\u671f\uff0c\u5219\u5c1d\u8bd5\u83b7\u53d6\u6570\u636e\u5e93\u9501\u3002\u5728\u91ca\u653e\u9501\u65f6\uff0c\u5148\u5220\u9664\u7f13\u5b58\u4e2d\u7684\u9501\u72b6\u6001\uff0c\u7136\u540e\u91ca\u653e\u6570\u636e\u5e93\u9501\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u6027\u80fd\u548c\u5e76\u53d1\u80fd\u529b\u3002<\/li>\n<\/ol>\n<p>\u7efc\u5408\u8003\u8651\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u9009\u62e9\u9002\u5408\u7684\u6570\u636e\u5e93\u9501\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5e76\u7ed3\u5408\u7f13\u5b58\u3001\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u4f18\u5316\u7b49\u63aa\u65bd\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5206\u5e03\u5f0f\u9501\u7684\u53ef\u9760\u6027\u3001\u6027\u80fd\u548c\u5e76\u53d1\u6027\u3002<\/p>\n<h1 id=\"30.Redis%20%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81%E7%9A%84%E9%97%AE%E9%A2%98%E7%BC%BA%E4%BB%A5%E5%8F%8A%E4%BC%98%E5%8C%96%E6%80%9D%E8%B7%AF\">30.Redis \u5206\u5e03\u5f0f\u9501\u7684\u95ee\u9898\u7f3a\u4ee5\u53ca\u4f18\u5316\u601d\u8def<\/h1>\n<p>Redis\u5206\u5e03\u5f0f\u9501\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u9501\u673a\u5236\u65f6\u975e\u5e38\u6709\u7528\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u548c\u6f5c\u5728\u7684\u7f3a\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u95ee\u9898\u548c\u76f8\u5e94\u7684\u4f18\u5316\u601d\u8def\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u7ade\u4e89\u6761\u4ef6\uff08Race Condition\uff09<\/span><\/strong>\uff1a\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u5c1d\u8bd5\u83b7\u53d6\u9501\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u7ade\u4e89\u6761\u4ef6\uff0c\u5bfc\u81f4\u591a\u4e2a\u5ba2\u6237\u7aef\u90fd\u6210\u529f\u83b7\u53d6\u5230\u4e86\u9501\u3002\u8fd9\u4f1a\u5bfc\u81f4<strong><span style=\"color:#fe2c24;\">\u6570\u636e\u4e0d\u4e00\u81f4\u6216\u8d44\u6e90\u51b2\u7a81<\/span><\/strong>\u7684\u95ee\u9898\u3002<strong><span style=\"color:#be191c;\">\u4f18\u5316\u601d\u8def\uff1a\u53ef\u4ee5\u4f7f\u7528Redlock\u7b97\u6cd5\u6216\u8005\u57fa\u4e8eRedis\u7684Redsync\u5e93\u6765\u5b9e\u73b0\u66f4\u53ef\u9760\u7684\u5206\u5e03\u5f0f\u9501\u3002\u8fd9\u4e9b\u7b97\u6cd5\u901a\u8fc7\u5728\u591a\u4e2aRedis\u5b9e\u4f8b\u4e4b\u95f4\u8fdb\u884c\u534f\u8c03\uff0c\u589e\u52a0\u4e86\u9501\u7684\u53ef\u9760\u6027\u548c\u4e00\u81f4\u6027\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6b7b\u9501\u548c\u9501\u8fc7\u671f<\/span><\/strong>\uff1a<span style=\"color:#fe2c24;\">\u5982\u679c\u6301\u6709\u9501\u7684\u5ba2\u6237\u7aef\u5728\u5904\u7406\u8fc7\u7a0b\u4e2d\u53d1\u751f\u5d29\u6e83\u6216\u9501\u8fc7\u671f\u672a\u53ca\u65f6\u91ca\u653e\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u4ed6\u5ba2\u6237\u7aef\u65e0\u6cd5\u83b7\u53d6\u9501\uff0c\u4ece\u800c\u4ea7\u751f\u6b7b\u9501\u60c5\u51b5<\/span>\u3002<strong><span style=\"color:#be191c;\">\u4f18\u5316\u601d\u8def\uff1a\u5f15\u5165\u9501\u7684\u8d85\u65f6\u673a\u5236\uff0c\u5373\u4e3a\u9501\u8bbe\u7f6e\u4e00\u4e2a\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4\u3002\u5ba2\u6237\u7aef\u5728\u83b7\u53d6\u9501\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e26\u6709\u8d85\u65f6\u53c2\u6570\u7684\u547d\u4ee4\uff08\u5982SETNX\u548cEXPIRE\uff09\u6765\u786e\u4fdd\u9501\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u81ea\u52a8\u91ca\u653e\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u91c7\u7528\u5fc3\u8df3\u673a\u5236\uff0c\u5b9a\u671f\u7eed\u7ea6\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u907f\u514d\u56e0\u4e3a\u6301\u6709\u9501\u7684\u5ba2\u6237\u7aef\u5931\u8054\u800c\u5bfc\u81f4\u9501\u65e0\u6cd5\u91ca\u653e\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u6027\u80fd\u95ee\u9898<\/span><\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c<strong><span style=\"color:#fe2c24;\">\u5927\u91cf\u7684\u9501\u8bf7\u6c42\u548c\u9501\u91ca\u653e\u53ef\u80fd\u5bfc\u81f4Redis\u7684\u6027\u80fd\u74f6\u9888\uff0c\u964d\u4f4e\u7cfb\u7edf\u7684\u541e\u5410\u91cf<\/span><\/strong>\u3002<strong><span style=\"color:#be191c;\">\u4f18\u5316\u601d\u8def\uff1a\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Redis Cluster\u6765\u6269\u5c55Redis\u7684\u6027\u80fd\u548c\u5bb9\u91cf\uff0c\u4ee5\u652f\u6301\u66f4\u5927\u89c4\u6a21\u7684\u9501\u5e76\u53d1\u8bf7\u6c42\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u91c7\u7528\u7ec6\u7c92\u5ea6\u9501\uff08\u5982\u5206\u7247\u9501\uff09\u6765\u51cf\u5c11\u9501\u7684\u7ade\u4e89\u8303\u56f4\uff0c\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5ba2\u6237\u7aef\u6545\u969c\u5904\u7406<\/span><\/strong>\uff1a<strong><span style=\"color:#fe2c24;\">\u5982\u679c\u83b7\u53d6\u9501\u7684\u5ba2\u6237\u7aef\u5728\u5904\u7406\u8fc7\u7a0b\u4e2d\u5d29\u6e83\u6216\u7f51\u7edc\u4e2d\u65ad\uff0c\u9501\u53ef\u80fd\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u91ca\u653e\uff0c\u5bfc\u81f4\u5176\u4ed6\u5ba2\u6237\u7aef\u65e0\u6cd5\u83b7\u53d6\u9501<\/span><\/strong>\u3002<strong><span style=\"color:#be191c;\">\u4f18\u5316\u601d\u8def\uff1a\u5f15\u5165\u9501\u7684\u62e5\u6709\u8005\u6807\u8bc6\uff0c\u5ba2\u6237\u7aef\u5728\u83b7\u53d6\u9501\u65f6\u5c06\u81ea\u8eab\u7684\u552f\u4e00\u6807\u8bc6\u5b58\u50a8\u5728\u9501\u7684\u503c\u4e2d\uff0c\u5e76\u5728\u91ca\u653e\u9501\u65f6\u8fdb\u884c\u6821\u9a8c\u3002\u5f53\u5176\u4ed6\u5ba2\u6237\u7aef\u5c1d\u8bd5\u83b7\u53d6\u9501\u65f6\uff0c\u53ef\u4ee5\u68c0\u67e5\u9501\u7684\u62e5\u6709\u8005\u6807\u8bc6\uff0c\u5982\u679c\u6807\u8bc6\u4e0d\u5339\u914d\uff0c\u5219\u53ef\u4ee5\u5f3a\u5236\u91ca\u653e\u9501\u3002<\/span><\/strong><\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u975e\u5e38\u590d\u6742\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u4e1a\u52a1\u573a\u666f\u3001\u5e76\u53d1\u91cf\u3001\u5bb9\u9519\u6027\u7b49\u56e0\u7d20\u3002<\/p>\n<h1 id=\"31.Redis%20%E7%83%AD%E7%82%B9key%20%E7%9A%84%E9%97%AE%E9%A2%98%E5%92%8C%E4%BC%98%E5%8C%96%E5%A4%84%E7%90%86\">31.Redis \u70ed\u70b9key \u7684\u95ee\u9898\u548c\u4f18\u5316\u5904\u7406<\/h1>\n<p>Redis\u70ed\u70b9key\u95ee\u9898\u6307\u7684\u662f\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u67d0\u4e9b\u7279\u5b9a\u7684key\u88ab\u9891\u7e41\u5730\u8bfb\u53d6\u6216\u5199\u5165\uff0c\u5bfc\u81f4\u8fd9\u4e9bkey\u6210\u4e3a\u7cfb\u7edf\u7684\u74f6\u9888\uff0c\u5f71\u54cd\u6027\u80fd\u548c\u53ef\u4f38\u7f29\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u95ee\u9898\u548c\u4f18\u5316\u5904\u7406\u65b9\u6cd5\uff1a<\/p>\n<p>\u95ee\u9898\uff1a<\/p>\n<ol>\n<li><span style=\"color:#fe2c24;\"><strong>\u9891\u7e41\u7684\u8bfb\u5199\u64cd\u4f5c\u5bfc\u81f4Redis\u6027\u80fd\u74f6\u9888<\/strong><\/span>\uff1a\u5982\u679c\u67d0\u4e2a\u70ed\u70b9key\u88ab\u5927\u91cf\u5ba2\u6237\u7aef\u9891\u7e41\u8bfb\u5199\uff0c\u4f1a\u5bfc\u81f4\u8be5key\u6240\u5728\u7684Redis\u8282\u70b9\u6210\u4e3a\u6027\u80fd\u74f6\u9888\uff0c\u9020\u6210\u5ef6\u8fdf\u589e\u52a0\u548c\u541e\u5410\u91cf\u4e0b\u964d\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u70ed\u70b9key\u8fc7\u671f\u5bfc\u81f4\u7684\u7f13\u5b58\u51fb\u7a7f<\/span><\/strong>\uff1a\u5982\u679c\u70ed\u70b9key\u8fc7\u671f\u540e\u88ab\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u547d\u4e2d\uff0c\u5bfc\u81f4\u8bf7\u6c42\u76f4\u63a5\u8bbf\u95ee\u540e\u7aef\u5b58\u50a8\uff0c\u589e\u52a0\u4e86\u6570\u636e\u5e93\u8d1f\u8f7d\u548c\u5ef6\u8fdf\u3002<\/li>\n<\/ol>\n<p>\u4f18\u5316\u5904\u7406\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u6570\u636e\u5206\u7247<\/span><\/strong>\uff1a\u5c06<strong><span style=\"color:#be191c;\">\u70ed\u70b9key\u5206\u6563\u5230\u4e0d\u540c\u7684Redis\u8282\u70b9\u4e0a<\/span><\/strong>\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u81f4\u6027\u54c8\u5e0c\u7b49\u7b97\u6cd5\u5c06\u76f8\u540c\u7c7b\u578b\u7684key\u6620\u5c04\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\u3002\u8fd9\u6837<strong><span style=\"color:#be191c;\">\u53ef\u4ee5\u5c06\u8bf7\u6c42\u8d1f\u8f7d\u5747\u8861\u5230\u591a\u4e2a\u8282\u70b9\uff0c\u51cf\u8f7b\u5355\u4e2a\u8282\u70b9\u7684\u538b\u529b<\/span><\/strong>\u3002<\/li>\n<li><span style=\"color:#be191c;\"><strong>\u7f13\u5b58\u9884\u70ed<\/strong><\/span>\uff1a\u5728<strong><span style=\"color:#be191c;\">\u7cfb\u7edf\u542f\u52a8\u6216\u8d1f\u8f7d\u8f83\u4f4e\u7684\u65f6\u5019\uff0c\u63d0\u524d\u52a0\u8f7d\u70ed\u70b9\u6570\u636e\u5230Redis<\/span><\/strong>\u4e2d\uff0c\u907f\u514d\u5728\u9ad8\u5e76\u53d1\u65f6\u624d\u8fdb\u884c\u70ed\u70b9\u6570\u636e\u7684\u52a0\u8f7d\uff0c\u51cf\u5c11\u8bf7\u6c42\u5bf9\u70ed\u70b9key\u7684\u76f4\u63a5\u8bbf\u95ee\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4<\/span><\/strong>\uff1a\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u8bbe\u7f6e\u5408\u9002\u7684\u70ed\u70b9key\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u907f\u514d\u70ed\u70b9key\u8fc7\u671f\u540e\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u547d\u4e2d\u540e\u7aef\u5b58\u50a8\u3002<strong><span style=\"color:#be191c;\">\u53ef\u4ee5\u8003\u8651\u4f7f\u7528LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b49\u7b56\u7565\u8fdb\u884c\u8fc7\u671f\u6dd8\u6c70<\/span><\/strong>\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u589e\u52a0\u7f13\u5b58\u5c42<\/span><\/strong>\uff1a<strong><span style=\"color:#be191c;\">\u5728Redis\u4e4b\u524d\u589e\u52a0\u4e00\u5c42\u7f13\u5b58\uff0c\u5982\u4f7f\u7528CDN\u3001\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Memcached\uff09\u7b49\uff0c\u5c06\u90e8\u5206\u8bf7\u6c42\u5206\u6d41\u5230\u7f13\u5b58\u5c42\uff0c\u51cf\u8f7bRedis\u7684\u538b\u529b\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#be191c;\">\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u907f\u514d\u7f13\u5b58\u51fb\u7a7f<\/span><\/strong>\uff1a\u5f53<span style=\"color:#be191c;\"><span style=\"background-color:#511b78;\">\u70ed\u70b9key<\/span><strong><span style=\"background-color:#511b78;\">\u8fc7\u671f<\/span><\/strong>\u65f6<\/span>\uff0c<span style=\"color:#be191c;\">\u4f7f\u7528<span style=\"background-color:#511b78;\">\u5206\u5e03\u5f0f\u9501<\/span>\u6765\u4fdd\u62a4\u540e\u7eed\u8bf7\u6c42\uff0c\u53ea\u5141\u8bb8\u4e00\u4e2a\u8bf7\u6c42\u53bb\u52a0\u8f7d\u6570\u636e\u5e76\u66f4\u65b0\u7f13\u5b58\uff0c\u5176\u4ed6\u8bf7\u6c42\u7b49\u5f85\u5e76\u8bfb\u53d6\u5df2\u52a0\u8f7d\u7684\u6570\u636e\u3002<\/span><\/li>\n<li><strong><span style=\"color:#be191c;\">\u6570\u636e\u5f02\u6b65\u66f4\u65b0<\/span><\/strong>\uff1a\u5bf9\u4e8e<strong><span style=\"color:#be191c;\">\u70ed\u70b9key\u7684\u5199\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5f02\u6b65\u66f4\u65b0\u7684\u65b9\u5f0f<\/span><\/strong>\uff0c\u5c06\u5199\u64cd\u4f5c\u653e\u5165\u961f\u5217\u4e2d\uff0c\u7531\u540e\u53f0\u7ebf\u7a0b\u5f02\u6b65\u5904\u7406\uff0c\u51cf\u5c11\u5b9e\u65f6\u5199\u5165\u5bf9Redis\u7684\u538b\u529b\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u5904\u7406\u65b9\u6cd5\uff0c\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u573a\u666f\u548c\u9700\u6c42\uff0c\u53ef\u4ee5\u91c7\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u6216\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u89e3\u51b3Redis\u70ed\u70b9key\u7684\u95ee\u9898\u3002<\/p>\n<h1 id=\"32.Redis%E4%B8%AD%E6%9C%89%E4%B8%80%E6%89%B9key%E7%9E%AC%E9%97%B4%E8%BF%87%E6%9C%9F%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%85%B6%E5%AE%83key%E7%9A%84%E8%AF%BB%E5%86%99%E6%95%88%E7%8E%87%E4%BC%9A%E9%99%8D%E4%BD%8E%EF%BC%9F\">32.Redis\u4e2d\u6709\u4e00\u6279key\u77ac\u95f4\u8fc7\u671f\uff0c\u4e3a\u4ec0\u4e48\u5176\u5b83key\u7684\u8bfb\u5199\u6548\u7387\u4f1a\u964d\u4f4e\uff1f<\/h1>\n<p>\u5f53Redis\u4e2d\u6709\u4e00\u6279key\u77ac\u95f4\u8fc7\u671f\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bf9\u5176\u4ed6key\u7684\u8bfb\u5199\u6548\u7387\u4ea7\u751f\u5f71\u54cd\uff0c\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u8fc7\u671f\u952e\u5220\u9664\u64cd\u4f5c<\/span><\/strong>\uff1a\u5f53\u8fc7\u671f\u952e\u89e6\u53d1\u8fc7\u671f\u65f6\uff0cRedis\u4f1a\u6267\u884c\u952e\u7684\u5220\u9664\u64cd\u4f5c\u3002\u5220\u9664\u64cd\u4f5c\u53ef\u80fd\u4f1a\u6d89\u53ca\u5230\u5185\u5b58\u56de\u6536\u548c\u91ca\u653e\uff0c\u8fd9\u4f1a\u5360\u7528\u4e00\u5b9a\u7684\u7cfb\u7edf\u8d44\u6e90\u548c\u5904\u7406\u65f6\u95f4\u3002\u5982\u679c\u540c\u65f6\u6709\u5927\u91cf\u952e\u8fc7\u671f\u5e76\u88ab\u5220\u9664\uff0c\u8fd9\u4e9b\u5220\u9664\u64cd\u4f5c\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u8d1f\u8f7d\u548c\u6d88\u8017\uff0c\u4ece\u800c\u5bfc\u81f4\u5176\u4ed6\u952e\u7684\u8bfb\u5199\u6548\u7387\u964d\u4f4e\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5185\u5b58\u788e\u7247\u5316<\/span><\/strong>\uff1a\u8fc7\u671f\u952e\u88ab\u5220\u9664\u540e\uff0cRedis\u7684\u5185\u5b58\u53ef\u80fd\u4f1a\u4ea7\u751f\u788e\u7247\u5316\u3002\u5220\u9664\u64cd\u4f5c\u4f1a\u91ca\u653e\u88ab\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u4f46\u8fd9\u4e9b\u7a7a\u95f4\u53ef\u80fd\u4e0d\u8fde\u7eed\uff0c\u5f62\u6210\u788e\u7247\u5316\u3002\u5f53\u540e\u7eed\u8fdb\u884c\u5199\u64cd\u4f5c\u65f6\uff0cRedis\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u5185\u5b58\u788e\u7247\u6574\u7406\u548c\u91cd\u65b0\u5206\u914d\uff0c\u5bfc\u81f4\u989d\u5916\u7684\u5f00\u9500\u548c\u5ef6\u8fdf\u3002<\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u7f13\u5b58\u5931\u6548\u91cd\u5efa<\/span><\/strong>\uff1a\u5f53\u5176\u4ed6\u952e\u5728\u8fc7\u671f\u952e\u88ab\u5220\u9664\u540e\u518d\u6b21\u88ab\u8bbf\u95ee\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u4ece\u6570\u636e\u6e90\u52a0\u8f7d\u6216\u8ba1\u7b97\u7f13\u5b58\u503c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u8017\u8d39\u989d\u5916\u7684\u65f6\u95f4\u548c\u8d44\u6e90\uff0c\u5bfc\u81f4\u8bfb\u5199\u6548\u7387\u964d\u4f4e\u3002<\/li>\n<\/ol>\n<p>\u4e3a\u4e86\u51cf\u5c11\u8fc7\u671f\u952e\u5bf9\u5176\u4ed6\u952e\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u5408\u7406\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/span><\/strong>\uff1a\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u548c\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\uff0c\u5408\u7406\u8bbe\u7f6e\u952e\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u907f\u514d\u8fc7\u591a\u952e\u96c6\u4e2d\u5728\u76f8\u540c\u65f6\u95f4\u8fc7\u671f\uff0c\u4ece\u800c\u51cf\u5c11\u8fc7\u671f\u952e\u77ac\u95f4\u5220\u9664\u7684\u538b\u529b\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5206\u5e03\u5f0f\u5220\u9664<\/span><\/strong>\uff1a\u5982\u679c\u7cfb\u7edf\u4e2d\u6709\u5927\u91cf\u8fc7\u671f\u952e\u9700\u8981\u5220\u9664\uff0c\u53ef\u4ee5\u8003\u8651\u5206\u5e03\u5f0f\u5220\u9664\u7b56\u7565\uff0c\u5c06\u5220\u9664\u64cd\u4f5c\u5206\u6563\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u4ee5\u51cf\u8f7b\u5355\u4e2a\u8282\u70b9\u7684\u8d1f\u8f7d\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5185\u5b58\u4f18\u5316<\/span><\/strong>\uff1a\u5bf9\u4e8e\u5185\u5b58\u788e\u7247\u5316\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u63d0\u4f9b\u7684\u5185\u5b58\u4f18\u5316\u7b56\u7565\uff0c\u5982\u5f00\u542f\u5185\u5b58\u788e\u7247\u6574\u7406\u3001\u4f7f\u7528\u5185\u5b58\u5206\u914d\u5668\u7b49\uff0c\u4ee5\u51cf\u5c11\u788e\u7247\u5316\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u7f13\u5b58\u9884\u70ed\u548c\u5f02\u6b65\u52a0\u8f7d<\/span><\/strong>\uff1a\u5bf9\u4e8e\u91cd\u8981\u7684\u7f13\u5b58\u6570\u636e\uff0c\u53ef\u4ee5\u5728\u8fc7\u671f\u4e4b\u524d\u8fdb\u884c\u9884\u70ed\uff0c\u4ee5\u907f\u514d\u7f13\u5b58\u5931\u6548\u65f6\u7684\u6027\u80fd\u635f\u5931\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u8017\u65f6\u7684\u8ba1\u7b97\u6216\u6570\u636e\u52a0\u8f7d\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5f02\u6b65\u65b9\u5f0f\u8fdb\u884c\uff0c\u4ee5\u51cf\u5c11\u5bf9\u8bfb\u5199\u64cd\u4f5c\u7684\u5f71\u54cd\u3002<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u8fc7\u671f\u952e\u5bf9\u5176\u4ed6\u952e\u7684\u8bfb\u5199\u6548\u7387\u4f1a\u4ea7\u751f\u5f71\u54cd\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u5220\u9664\u64cd\u4f5c\u3001\u5185\u5b58\u788e\u7247\u5316\u548c\u7f13\u5b58\u5931\u6548\u91cd\u5efa\u7b49\u539f\u56e0\u3002\u901a\u8fc7\u5408\u7406\u7684\u914d\u7f6e\u548c\u4f18\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u51cf\u5c11\u8fd9\u79cd\u5f71\u54cd\u5e76\u63d0\u9ad8Redis\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<h1 id=\"33.Redis%E7%9A%84zset%E5%BA%95%E5%B1%82%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E6%98%AFhash%EF%BC%8C%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E6%98%AF%E8%B7%B3%E8%A1%A8%EF%BC%9F\">33.Redis\u7684zset\u5e95\u5c42\u4ec0\u4e48\u65f6\u5019\u662fhash\uff0c\u4ec0\u4e48\u65f6\u5019\u662f\u8df3\u8868\uff1f<\/h1>\n<p>Redis\u4e2d\u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f7f\u7528\u4e86\u4e24\u79cd\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\uff0c\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u53d6\u51b3\u4e8e\u6709\u5e8f\u96c6\u5408\u7684\u5927\u5c0f\u548c\u914d\u7f6e\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#fe2c24;\">\u5f53\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5c0f\u4e14\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u65f6\uff0cRedis\u4f7f\u7528\u54c8\u5e0c\u8868\uff08Hash Table\uff09\u6765\u5b9e\u73b0\u6709\u5e8f\u96c6\u5408\u3002\u8fd9\u4e9b\u6761\u4ef6\u5305\u62ec\u54c8\u5e0c\u8868\u7684\u8d1f\u8f7d\u56e0\u5b50\u4f4e\u4e8e0.5\uff0c\u4e14\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u5c0f\u4e8e\u7b49\u4e8e64\u4e2a\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#fe2c24;\">\u5f53\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5927\u6216\u4e0d\u6ee1\u8db3\u4e0a\u8ff0\u6761\u4ef6\u65f6\uff0cRedis\u4f1a\u4f7f\u7528\u8df3\u8868\uff08Skip List\uff09\u6765\u5b9e\u73b0\u6709\u5e8f\u96c6\u5408\u3002\u8df3\u8868\u662f\u4e00\u79cd\u6709\u5e8f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u9ad8\u6548\u5730\u8fdb\u884c\u63d2\u5165\u3001\u5220\u9664\u548c\u6309\u6392\u540d\u67e5\u627e\u7b49\u64cd\u4f5c\u3002<\/span><\/strong><\/li>\n<\/ol>\n<p>\u54c8\u5e0c\u8868\u5728\u5b58\u50a8\u548c\u67e5\u627e\u5355\u4e2a\u5143\u7d20\u65f6\u5177\u6709O(1)\u7684\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u4f46\u4e0d\u9002\u5408\u6309\u7167\u5206\u6570\u8303\u56f4\u6216\u6309\u7167\u6392\u540d\u8fdb\u884c\u8303\u56f4\u67e5\u8be2\u3002\u8df3\u8868\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u6548\u7684\u8303\u56f4\u67e5\u8be2\uff0c\u4f46\u5bf9\u4e8e\u5355\u4e2a\u5143\u7d20\u7684\u67e5\u627e\u548c\u63d2\u5165\u64cd\u4f5c\u7684\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(log n)\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5f53\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5c11\u65f6\uff0c\u4f7f\u7528\u54c8\u5e0c\u8868\u53ef\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u800c\u5f53\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5927\u65f6\uff0c\u4f7f\u7528\u8df3\u8868\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u8303\u56f4\u67e5\u8be2\u80fd\u529b\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cRedis\u5728\u5185\u90e8\u81ea\u52a8\u5207\u6362\u54c8\u5e0c\u8868\u548c\u8df3\u8868\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5bf9\u5916\u8868\u73b0\u4e3a\u6709\u5e8f\u96c6\u5408\u7684\u4e00\u81f4\u63a5\u53e3\u3002\u8fd9\u6837\u7684\u8bbe\u8ba1\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u81ea\u52a8\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4ee5\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u63d0\u4f9b\u9ad8\u6027\u80fd\u548c\u9ad8\u6548\u7684\u6709\u5e8f\u96c6\u5408\u64cd\u4f5c\u3002<\/p>\n<h1 id=\"34.Redis%20%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E6%9C%89%E5%93%AA%E4%BA%9B%EF%BC%8C%E5%BA%95%E5%B1%82%E5%AE%9E%E7%8E%B0%E9%83%BD%E6%98%AF%E4%BB%80%E4%B9%88%3F\">34.Redis \u6570\u636e\u7ed3\u6784\u6709\u54ea\u4e9b\uff0c\u5e95\u5c42\u5b9e\u73b0\u90fd\u662f\u4ec0\u4e48?<\/h1>\n<p>Redis\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684Redis\u6570\u636e\u7ed3\u6784\u53ca\u5176\u5e95\u5c42\u5b9e\u73b0\uff1a<\/p>\n<ol>\n<li><strong><span style=\"color:#be191c;\">\u5b57\u7b26\u4e32\uff08String\uff09<\/span><\/strong>\uff1a\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u4e32\u503c\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u7b80\u5355\u52a8\u6001\u5b57\u7b26\u4e32\uff08SDS\uff09\u5b9e\u73b0<\/span><\/strong>\uff0cSDS\u5141\u8bb8\u5728O(1)\u65f6\u95f4\u590d\u6742\u5ea6\u5185\u8fdb\u884c\u5e38\u6570\u65f6\u95f4\u7684\u8ffd\u52a0\u3001\u5220\u9664\u548c\u67e5\u627e\u64cd\u4f5c\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5217\u8868\uff08List\uff09<\/span><\/strong>\uff1a\u7531\u591a\u4e2a\u5b57\u7b26\u4e32\u503c\u7ec4\u6210\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u5141\u8bb8\u5728\u5217\u8868\u7684\u5934\u90e8\u6216\u5c3e\u90e8\u5feb\u901f\u5730\u8fdb\u884c\u6dfb\u52a0\u6216\u5220\u9664\u64cd\u4f5c\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\u3002<\/span><\/strong><\/li>\n<li><strong><span style=\"color:#be191c;\">\u54c8\u5e0c\u8868\uff08Hash\uff09<\/span><\/strong>\uff1a\u5b58\u50a8\u5b57\u6bb5\u548c\u503c\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u7c7b\u4f3c\u4e8e\u5b57\u5178\u6216\u5173\u8054\u6570\u7ec4\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u54c8\u5e0c\u8868\u5b9e\u73b0<\/span><\/strong>\uff0c\u54c8\u5e0c\u8868\u662f\u4e00\u79cd\u6570\u7ec4\u548c\u94fe\u8868\u7684\u7ec4\u5408\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728O(1)\u65f6\u95f4\u590d\u6742\u5ea6\u5185\u8fdb\u884c\u6dfb\u52a0\u3001\u5220\u9664\u548c\u67e5\u627e\u64cd\u4f5c\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u96c6\u5408\uff08Set\uff09<\/span><\/strong>\uff1a\u7531\u591a\u4e2a\u4e0d\u91cd\u590d\u5143\u7d20\u7ec4\u6210\u7684\u65e0\u5e8f\u96c6\u5408\uff0c\u652f\u6301\u5bf9\u5143\u7d20\u8fdb\u884c\u6dfb\u52a0\u3001\u5220\u9664\u548c\u5224\u65ad\u662f\u5426\u5b58\u5728\u64cd\u4f5c\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u54c8\u5e0c\u8868\u6216\u6709\u5e8f\u6574\u6570\u6570\u7ec4\u5b9e\u73b0<\/span><\/strong>\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/span><\/strong>\uff1a\u7c7b\u4f3c\u4e8e\u96c6\u5408\uff0c\u4f46\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e00\u4e2a\u5206\u6570\u503c\uff0c\u6839\u636e\u5206\u6570\u503c\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u8df3\u8dc3\u8868\u548c\u54c8\u5e0c\u8868\u5b9e\u73b0<\/span><\/strong>\uff0c\u8df3\u8dc3\u8868\u7528\u4e8e\u5b9e\u73b0\u6709\u5e8f\u6027\uff0c\u54c8\u5e0c\u8868\u7528\u4e8e\u5b9e\u73b0\u5feb\u901f\u67e5\u627e\u3002<\/li>\n<li><strong><span style=\"color:#be191c;\">\u5730\u7406\u4f4d\u7f6e\uff08Geospatial\uff09<\/span><\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u652f\u6301\u6839\u636e\u7ecf\u7eac\u5ea6\u67e5\u8be2\u9644\u8fd1\u7684\u4f4d\u7f6e\u3002<strong><span style=\"color:#fe2c24;\">\u5e95\u5c42\u4f7f\u7528\u57fa\u4e8e\u8df3\u8dc3\u8868\u548c\u54c8\u5e0c\u8868\u7684\u6570\u636e\u7ed3\u6784<\/span><\/strong>\u3002<\/li>\n<\/ol>\n<p>\u603b\u7684\u6765\u8bf4\uff0cRedis\u7684\u6570\u636e\u7ed3\u6784\u90fd\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u548c\u4f18\u5316\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7c7b\u578b\u7684\u5e94\u7528\u9700\u6c42\uff0c\u5e76\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u6570\u636e\u5b58\u50a8\u548c\u8bbf\u95ee\u529f\u80fd\u3002<\/p>\n<h1 id=\"35.Redis%20%E7%83%ADkey%20%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%8C%E6%9C%89%E4%BB%80%E4%B9%88%E9%97%AE%E9%A2%98%EF%BC%8C%E6%80%8E%E4%B9%88%E5%8F%91%E7%8E%B0%EF%BC%8C%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%3F\">35.Redis \u70edkey \u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u600e\u4e48\u53d1\u73b0\uff0c\u600e\u4e48\u89e3\u51b3?<\/h1>\n<p>Redis\u70edkey\u662f\u6307\u5728Redis\u4e2d\u9891\u7e41\u88ab\u8bbf\u95ee\u7684\u952e\uff08key\uff09\u3002\u5f53\u67d0\u4e2a\u952e\u6210\u4e3a\u70edkey\u65f6\uff0c\u4f1a\u5f15\u53d1\u4e00\u4e9b\u95ee\u9898\uff0c\u4f8b\u5982\u6027\u80fd\u4e0b\u964d\u3001\u5185\u5b58\u5360\u7528\u589e\u52a0\u7b49\u3002\u4ee5\u4e0b\u662f\u70edkey\u53ef\u80fd\u5bfc\u81f4\u7684\u95ee\u9898\u4ee5\u53ca\u5982\u4f55\u53d1\u73b0\u548c\u89e3\u51b3\u7684\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<ol>\n<li>\u6027\u80fd\u74f6\u9888\uff1a \u70edkey\u53ef\u80fd\u6210\u4e3a\u8bbf\u95ee\u70ed\u70b9\uff0c\u5bfc\u81f4Redis\u8d1f\u8f7d\u4e0d\u5747\u8861\uff0c\u9020\u6210\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u5185\u5b58\u5360\u7528\u589e\u52a0\uff1a \u70edkey\u9891\u7e41\u88ab\u8bbf\u95ee\uff0c\u5360\u7528\u8f83\u591a\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u53ef\u80fd\u5bfc\u81f4\u5176\u4ed6\u6570\u636e\u7684LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u6dd8\u6c70\uff0c\u9020\u6210\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ol>\n<p><strong>\u53d1\u73b0\uff1a<\/strong><\/p>\n<ol>\n<li>\u76d1\u63a7\u5de5\u5177\uff1a \u4f7f\u7528Redis\u76d1\u63a7\u5de5\u5177\uff08\u5982Redis\u7684MONITOR\u547d\u4ee4\u6216\u7b2c\u4e09\u65b9\u76d1\u63a7\u5de5\u5177\uff09\u6765\u5b9e\u65f6\u76d1\u63a7Redis\u4e2d\u7684\u8bbf\u95ee\u60c5\u51b5\u3002<\/li>\n<li>\u65e5\u5fd7\u5206\u6790\uff1a \u5206\u6790Redis\u7684\u8bbf\u95ee\u65e5\u5fd7\uff0c\u67e5\u770b\u54ea\u4e9b\u952e\u88ab\u9891\u7e41\u8bbf\u95ee\u3002<\/li>\n<\/ol>\n<p><strong>\u89e3\u51b3\uff1a<\/strong><\/p>\n<ol>\n<li>\u6570\u636e\u5206\u7247\uff1a \u5bf9\u4e8e\u70edkey\uff0c\u53ef\u4ee5\u8003\u8651\u5c06\u5176\u6570\u636e\u8fdb\u884c\u5206\u7247\u5b58\u50a8\uff0c\u5c06\u8d1f\u8f7d\u5747\u8861\u5230\u591a\u4e2aRedis\u8282\u70b9\u4e0a\uff0c\u4ece\u800c\u907f\u514d\u5355\u4e2a\u8282\u70b9\u8fc7\u8f7d\u3002<\/li>\n<li>\u7f13\u5b58\u9884\u70ed\uff1a \u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u6216\u8005\u4f4e\u5cf0\u671f\uff0c\u63d0\u524d\u52a0\u8f7d\u70ed\u95e8\u6570\u636e\u5230Redis\uff0c\u907f\u514d\u51b7\u542f\u52a8\u65f6\u7a81\u7136\u51fa\u73b0\u5927\u91cf\u8bbf\u95ee\u5bfc\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li>\u7f13\u5b58\u5931\u6548\u7b56\u7565\uff1a \u5bf9\u4e8e\u70edkey\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u77ed\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u907f\u514d\u957f\u65f6\u95f4\u5360\u7528\u5185\u5b58\u3002<\/li>\n<li>\u6570\u636e\u6dd8\u6c70\u7b56\u7565\uff1a \u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u6dd8\u6c70\u7b56\u7565\uff08\u5982LRU\u3001LFU\u7b49\uff09\uff0c\u907f\u514d\u70edkey\u957f\u671f\u5360\u7528\u5185\u5b58\uff0c\u5bfc\u81f4\u5176\u4ed6\u6570\u636e\u88ab\u9891\u7e41\u6dd8\u6c70\u3002<\/li>\n<\/ol>\n<p>\u8bf7\u6ce8\u610f\uff0c\u89e3\u51b3Redis\u70edkey\u95ee\u9898\u9700\u8981\u7efc\u5408\u8003\u8651\u4e1a\u52a1\u9700\u6c42\u548c\u7cfb\u7edf\u5b9e\u9645\u60c5\u51b5\u3002\u4e0d\u540c\u7684\u573a\u666f\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u4f18\u5316\u7b56\u7565\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u5728\u89e3\u51b3\u95ee\u9898\u65f6\u8c28\u614e\u8bc4\u4f30\uff0c\u907f\u514d\u5f15\u5165\u65b0\u7684\u95ee\u9898\u3002\u540c\u65f6\uff0c\u5408\u7406\u8bbe\u8ba1\u6570\u636e\u7ed3\u6784\u548c\u7f13\u5b58\u7b56\u7565\uff0c\u80fd\u591f\u6709\u6548\u5730\u51cf\u8f7bRedis\u70edkey\u5e26\u6765\u7684\u95ee\u9898\u3002<\/p>\n<h1 id=\"36.Redis%20%E4%B8%AD%E5%BA%95%E5%B1%82%E6%98%AF%E8%B7%B3%E8%A1%A8%E7%BB%93%E6%9E%84%EF%BC%8C%E9%82%A3%E4%B9%88%E6%8F%92%E5%85%A5%E5%92%8C%E6%9F%A5%E8%AF%A2%E4%B8%80%E4%B8%AA%E6%95%B0%E7%9A%84%E6%B5%81%E7%A8%8B%E5%A6%82%E4%BD%95%EF%BC%9F%E5%A6%82%E6%9E%9C%E6%98%AF%E5%8D%95%E4%BD%8D%E6%9F%A5%E8%AF%A2%EF%BC%8C%E6%B5%81%E7%A8%8B%E5%8F%88%E6%98%AF%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E7%9A%84%EF%BC%9F\">36.Redis \u4e2d\u5e95\u5c42\u662f\u8df3\u8868\u7ed3\u6784\uff0c\u90a3\u4e48\u63d2\u5165\u548c\u67e5\u8be2\u4e00\u4e2a\u6570\u7684\u6d41\u7a0b\u5982\u4f55\uff1f\u5982\u679c\u662f\u5355\u4f4d\u67e5\u8be2\uff0c\u6d41\u7a0b\u53c8\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/h1>\n<p>\u5728Redis\u4e2d\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u5e95\u5c42\u4f7f\u7528\u8df3\u8868\uff08Skip List\uff09\u7ed3\u6784\u6765\u5b9e\u73b0\u3002\u8df3\u8868\u662f\u4e00\u79cd\u6709\u5e8f\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u63d0\u4f9b\u5feb\u901f\u7684\u63d2\u5165\u3001\u67e5\u8be2\u548c\u5220\u9664\u64cd\u4f5c\u3002<\/p>\n<p>\u63d2\u5165\u4e00\u4e2a\u6570\u7684\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u8df3\u8868\u8282\u70b9\uff0c\u5305\u542b\u8981\u63d2\u5165\u7684\u6570\u503c\u3002<\/li>\n<li>\u5728\u8df3\u8868\u4e2d\u67e5\u627e\u5408\u9002\u7684\u4f4d\u7f6e\uff0c\u4f7f\u5f97\u63d2\u5165\u7684\u6570\u503c\u6309\u7167\u6709\u5e8f\u6392\u5217\u3002<\/li>\n<li>\u5728\u6bcf\u4e00\u5c42\u63d2\u5165\u65b0\u8282\u70b9\uff0c\u5e76\u6839\u636e\u4e00\u5b9a\u7684\u6982\u7387\u968f\u673a\u51b3\u5b9a\u662f\u5426\u5c06\u65b0\u8282\u70b9\u63d2\u5165\u66f4\u9ad8\u5c42\u7684\u7d22\u5f15\uff0c\u4ece\u800c\u6784\u5efa\u8df3\u8868\u7684\u591a\u5c42\u7d22\u5f15\u7ed3\u6784\u3002<\/li>\n<\/ol>\n<p>\u67e5\u8be2\u4e00\u4e2a\u6570\u7684\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u4ece\u8df3\u8868\u7684\u9876\u5c42\u7d22\u5f15\uff08\u6700\u9ad8\u5c42\uff09\u5f00\u59cb\uff0c\u6cbf\u7740\u7d22\u5f15\u5c42\u7ea7\u9010\u6b65\u5411\u4e0b\u641c\u7d22\u3002<\/li>\n<li>\u5728\u6bcf\u4e00\u5c42\u7ea7\u4e2d\uff0c\u4ece\u5f53\u524d\u8282\u70b9\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6807\u6570\u503c\uff0c\u6216\u8005\u9047\u5230\u6bd4\u76ee\u6807\u6570\u503c\u5927\u7684\u8282\u70b9\u3002<\/li>\n<li>\u5982\u679c\u627e\u5230\u76ee\u6807\u6570\u503c\uff0c\u8fd4\u56de\u8be5\u8282\u70b9\uff1b\u5426\u5219\uff0c\u7ee7\u7eed\u4e0b\u4e00\u5c42\u7ea7\u7684\u641c\u7d22\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6807\u8282\u70b9\u6216\u8005\u641c\u7d22\u5230\u5e95\u5c42\u3002<\/li>\n<\/ol>\n<p>\u5355\u4f4d\u67e5\u8be2-\u5982\u679c\u662f\u5355\u4f4d\u67e5\u8be2\uff0c\u5373\u67e5\u8be2\u67d0\u4e2a\u8303\u56f4\u5185\u7684\u6570\u503c\uff0c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u6839\u636e\u67e5\u8be2\u6761\u4ef6\u786e\u5b9a\u67e5\u8be2\u8303\u56f4\u7684\u8d77\u59cb\u8282\u70b9\u548c\u7ed3\u675f\u8282\u70b9\u3002<\/li>\n<li>\u4ece\u8df3\u8868\u7684\u9876\u5c42\u7d22\u5f15\u5f00\u59cb\uff0c\u5411\u4e0b\u9010\u5c42\u641c\u7d22\uff0c\u76f4\u5230\u627e\u5230\u8d77\u59cb\u8282\u70b9\u3002<\/li>\n<li>\u4ece\u8d77\u59cb\u8282\u70b9\u5f00\u59cb\uff0c\u6cbf\u7740\u6bcf\u4e00\u5c42\u7ea7\u7684\u53f3\u4fa7\u5411\u53f3\u79fb\u52a8\uff0c\u76f4\u5230\u627e\u5230\u7ed3\u675f\u8282\u70b9\u6216\u8005\u9047\u5230\u6bd4\u7ed3\u675f\u8282\u70b9\u5927\u7684\u8282\u70b9\u3002<\/li>\n<li>\u8fd4\u56de\u8303\u56f4\u5185\u7684\u8282\u70b9\u96c6\u5408\uff0c\u5373\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u503c\u3002<\/li>\n<\/ol>\n<p>\u8df3\u8868\u7684\u7ed3\u6784\u5141\u8bb8Redis\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u5feb\u901f\u8fdb\u884c\u63d2\u5165\u548c\u67e5\u8be2\u64cd\u4f5c\uff0c\u540c\u65f6\u4e5f\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u8303\u56f4\u67e5\u8be2\u529f\u80fd\u3002<\/p>\n<\/p>\n<h1 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