{"id":201293,"date":"2025-05-10T09:48:26","date_gmt":"2025-05-10T01:48:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201293\/"},"modified":"2025-05-10T09:48:26","modified_gmt":"2025-05-10T01:48:26","slug":"%e6%b5%85%e8%b0%88redis%e8%b7%9fmysql%e7%9a%84%e5%8f%8c%e5%86%99%e9%97%ae%e9%a2%98%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201293\/","title":{"rendered":"\u6d45\u8c08Redis\u8ddfMySQL\u7684\u53cc\u5199\u95ee\u9898\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"

<\/b> <\/p>\n

\u6d45\u8c08Redis\u8ddfMySQL\u7684\u53cc\u5199\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u6d45\u8c08Redis\u8ddfMySQL\u7684\u53cc\u5199\u95ee\u9898\u89e3\u51b3\u65b9\u6848\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0bRedisMySQL\u3001\u53cc\u5199\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\u9879\u76ee\u4e2d\u6709\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\uff0c\u8ddfMySQL\u4e2d\u7684\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u7814\u7a76\u4e00\u756a\u53d1\u73b0\u8fd9\u91cc\u9762\u7ec6\u8282\u5e76\u4e0d\u7b80\u5355\uff0c\u7279\u6b64\u8bb0\u5f55\u4e00\u4e0b\u3002<\/strong><\/p>\n

\u5199\u5728\u524d\u9762<\/h2>\n

\u4e25\u683c\u610f\u4e49\u4e0a\u4efb\u4f55\u975e\u539f\u5b50\u64cd\u4f5c\u90fd\u4e0d\u53ef\u80fd\u4fdd\u8bc1\u4e00\u81f4\u6027\uff0c\u9664\u975e\u7528\u963b\u585e\u8bfb\u5199\u5b9e\u73b0\u5f3a\u4e00\u81f4\u6027\uff0c\u6240\u4ee5\u7f13\u5b58\u67b6\u6784\u6211\u4eec\u8ffd\u6c42\u7684\u76ee\u6807\u662f\u6700\u7ec8\u4e00\u81f4\u6027\u3002
\u7f13\u5b58\u5c31\u662f\u901a\u8fc7\u727a\u7272\u5f3a\u4e00\u81f4\u6027\u6765\u63d0\u9ad8\u6027\u80fd\u7684\u3002<\/p>\n

\u8fd9\u662f\u7531CAP\u7406\u8bba\u51b3\u5b9a\u7684\u3002\u7f13\u5b58\u7cfb\u7edf\u9002\u7528\u7684\u573a\u666f\u5c31\u662f\u975e\u5f3a\u4e00\u81f4\u6027\u7684\u573a\u666f\uff0c\u5b83\u5c5e\u4e8eCAP\u4e2d\u7684AP\u3002<\/p>\n

\u4ee5\u4e0b3 \u79cd\u7f13\u5b58\u8bfb\u5199\u7b56\u7565\u5404\u6709\u4f18\u52a3\uff0c\u4e0d\u5b58\u5728\u6700\u4f73\u3002<\/p>\n

\u4e09\u79cd\u8bfb\u5199\u7f13\u5b58\u7b56\u7565<\/h2>\n

Cache-Aside Pattern\uff08\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f\uff09<\/h3>\n

Cache-Aside Pattern\uff0c\u5373\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f\uff0c\u5b83\u7684\u63d0\u51fa\u662f\u4e3a\u4e86\u5c3d\u53ef\u80fd\u5730\u89e3\u51b3\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n

<\/p>\n

\u8bfb<\/strong> \uff1a\u4ece\u7f13\u5b58\u8bfb\u53d6\u6570\u636e\uff0c\u8bfb\u5230\u76f4\u63a5\u8fd4\u56de\u3002\u5982\u679c\u8bfb\u53d6\u4e0d\u5230\u7684\u8bdd\uff0c\u4ece\u6570\u636e\u5e93\u52a0\u8f7d\uff0c\u5199\u5165\u7f13\u5b58\u540e\uff0c\u518d\u8fd4\u56de\u54cd\u5e94\u3002
\u5199<\/strong>\uff1a\u66f4\u65b0\u7684\u65f6\u5019\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u7136\u540e\u518d\u5220\u9664\u7f13\u5b58<\/strong>\u3002<\/p>\n

<\/p>\n

Read-Through\/Write-Through\uff08\u8bfb\u5199\u7a7f\u900f\uff09<\/h3>\n

Read\/Write Through Pattern \u4e2d\u670d\u52a1\u7aef\u628a cache \u89c6\u4e3a\u4e3b\u8981\u6570\u636e\u5b58\u50a8\uff0c\u4ece\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u5c06\u6570\u636e\u5199\u5165\u5176\u4e2d\u3002cache \u670d\u52a1\u8d1f\u8d23\u5c06\u6b64\u6570\u636e\u8bfb\u53d6\u548c\u5199\u5165 DB\uff0c\u4ece\u800c\u51cf\u8f7b\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u804c\u8d23\u3002<\/p>\n

\u56e0\u4e3a\u6211\u4eec\u7ecf\u5e38\u4f7f\u7528\u7684\u5206\u5e03\u5f0f\u7f13\u5b58 Redis \u5e76\u6ca1\u6709\u63d0\u4f9b cache \u5c06\u6570\u636e\u5199\u5165DB\u7684\u529f\u80fd\uff0c\u6240\u4ee5\u4f7f\u7528\u5e76\u4e0d\u591a\u3002<\/p>\n

\u5199<\/strong>\uff1a\u5148\u67e5 cache\uff0ccache \u4e2d\u4e0d\u5b58\u5728\uff0c\u76f4\u63a5\u66f4\u65b0 DB\u3002cache \u4e2d\u5b58\u5728\uff0c\u5219\u5148\u66f4\u65b0 cache\uff0c\u7136\u540e cache \u670d\u52a1\u81ea\u5df1\u66f4\u65b0 DB\uff08\u540c\u6b65\u66f4\u65b0 cache\u548cDB<\/strong>\uff09\u3002<\/p>\n

\u8bfb<\/strong>\uff1a\u4ece cache \u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u8bfb\u53d6\u5230\u5c31\u76f4\u63a5\u8fd4\u56de \u3002\u8bfb\u53d6\u4e0d\u5230\u7684\u8bdd\uff0c\u5148\u4ece DB \u52a0\u8f7d\uff0c\u5199\u5165\u5230 cache \u540e\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n

Write Behind Pattern\uff08\u5f02\u6b65\u7f13\u5b58\u5199\u5165\uff09<\/h3>\n

Write Behind Pattern \u548c Read\/Write Through Pattern \u5f88\u76f8\u4f3c\uff0c\u4e24\u8005\u90fd\u662f\u7531 cache \u670d\u52a1\u6765\u8d1f\u8d23 cache \u548c DB \u7684\u8bfb\u5199\u3002<\/p>\n

\u4f46\u662f\uff0c\u4e24\u4e2a\u53c8\u6709\u5f88\u5927\u7684\u4e0d\u540c\uff1aRead\/Write Through \u662f\u540c\u6b65\u66f4\u65b0 cache \u548c DB\uff0c\u800c Write Behind Caching \u5219\u662f\u53ea\u66f4\u65b0\u7f13\u5b58\uff0c\u4e0d\u76f4\u63a5\u66f4\u65b0 DB\uff0c\u800c\u662f\u6539\u4e3a\u5f02\u6b65\u6279\u91cf\u7684\u65b9\u5f0f\u6765\u66f4\u65b0 DB\u3002<\/strong><\/p>\n

\u5f88\u660e\u663e\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u5e26\u6765\u4e86\u66f4\u5927\u7684\u6311\u6218\uff0c\u6bd4\u5982cache\u6570\u636e\u53ef\u80fd\u8fd8\u6ca1\u5f02\u6b65\u66f4\u65b0DB\u7684\u8bdd\uff0ccache\u670d\u52a1\u53ef\u80fd\u5c31\u6302\u6389\u4e86\uff0c\u53cd\u800c\u4f1a\u5e26\u6765\u66f4\u5927\u7684\u707e\u96be\u3002<\/p>\n

\u8fd9\u79cd\u7b56\u7565\u5728\u6211\u4eec\u5e73\u65f6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u4e5f\u975e\u5e38\u975e\u5e38\u5c11\u89c1\uff0c\u4f46\u662f\u4e0d\u4ee3\u8868\u5b83\u7684\u5e94\u7528\u573a\u666f\u5c11\uff0c\u6bd4\u5982\u6d88\u606f\u961f\u5217\u4e2d\u6d88\u606f\u7684\u5f02\u6b65\u5199\u5165\u78c1\u76d8\u3001MySQL \u7684 InnoDB Buffer Pool \u673a\u5236\u90fd\u7528\u5230\u4e86\u8fd9\u79cd\u7b56\u7565\u3002<\/p>\n

Write Behind Pattern \u4e0b DB \u7684\u5199\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u975e\u5e38\u9002\u5408\u4e00\u4e9b\u6570\u636e\u7ecf\u5e38\u53d8\u5316\u53c8\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u8981\u6c42\u6ca1\u90a3\u4e48\u9ad8\u7684\u573a\u666f\uff0c\u6bd4\u5982\u6d4f\u89c8\u91cf\u3001\u70b9\u8d5e\u91cf\u3002<\/p>\n

\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f\u89e3\u6790<\/h2>\n

Cache Aside Pattern \u7684\u4e00\u4e9b\u7591\u95ee<\/h3>\n

\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f\u662f\u6211\u4eec\u5e73\u65f6\u4e2d\u4f7f\u7528\u6700\u591a\u7684\u3002\u4e0b\u9762\u6839\u636e\u4e0a\u9762\u4ecb\u7ecd\u7684\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7591\u95ee\u3002<\/p>\n

\n

\u4e3a\u4ec0\u4e48\u5199\u64cd\u4f5c\u662f\u5220\u9664\u7f13\u5b58\uff0c\u800c\u4e0d\u662f\u66f4\u65b0\u7f13\u5b58<\/p>\n<\/blockquote>\n

\u7b54<\/strong>\uff1a\u7ebf\u7a0bA\u5148\u53d1\u8d77\u4e00\u4e2a\u5199\u64cd\u4f5c\uff0c\u7b2c\u4e00\u6b65\u5148\u66f4\u65b0\u6570\u636e\u5e93\u3002\u7ebf\u7a0bB\u518d\u53d1\u8d77\u4e00\u4e2a\u5199\u64cd\u4f5c\uff0c\u7b2c\u4e8c\u6b65\u66f4\u65b0\u4e86\u6570\u636e\u5e93\uff0c\u7531\u4e8e\u7f51\u7edc\u7b49\u539f\u56e0\uff0c\u7ebf\u7a0bB\u5148\u66f4\u65b0\u4e86\u7f13\u5b58\uff0c\u7ebf\u7a0bA\u66f4\u65b0\u7f13\u5b58\u3002<\/p>\n

\u8fd9\u65f6\u5019\uff0c\u7f13\u5b58\u4fdd\u5b58\u7684\u662fA\u7684\u6570\u636e\uff08\u8001\u6570\u636e\uff09\uff0c\u6570\u636e\u5e93\u4fdd\u5b58\u7684\u662fB\u7684\u6570\u636e\uff08\u65b0\u6570\u636e\uff09\uff0c\u6570\u636e\u4e0d\u4e00\u81f4<\/strong>\u4e86\uff0c\u810f\u6570\u636e\u51fa\u73b0\u5566\u3002\u5982\u679c\u662f\u5220\u9664\u7f13\u5b58\u53d6\u4ee3\u66f4\u65b0\u7f13\u5b58<\/strong>\u5219\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u4e2a\u810f\u6570\u636e\u95ee\u9898\u3002<\/p>\n

\u5b9e\u9645\u4e0a\u8981\u5199\u64cd\u4f5c\u7684\u65f6\u5019\u66f4\u65b0\u7f13\u5b58\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u4e0d\u8fc7\u6211\u4eec\u9700\u8981\u52a0\u4e00\u4e2a\u9501\/\u5206\u5e03\u5f0f\u9501\u6765\u4fdd\u8bc1\u66f4\u65b0cache\u7684\u65f6\u5019\u4e0d\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/p>\n

\n

\u5728\u5199\u6570\u636e\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u8981\u5148\u66f4\u65b0DB\u5728\u5220\u9664\u7f13\u5b58<\/p>\n<\/blockquote>\n

\u7b54<\/strong>\uff1a\u6bd4\u5982\u8bf4\u8bf7\u6c421 \u662f\u5199\u64cd\u4f5c\uff0c\u8981\u662f\u5148\u5220\u9664\u7f13\u5b58A\uff0c\u8bf7\u6c422\u662f\u8bfb\u64cd\u4f5c\uff0c\u5148\u8bfb\u7f13\u5b58A\uff0c\u53d1\u73b0\u7f13\u5b58\u88ab\u5220\u9664\u4e86(\u88ab\u8bf7\u6c421\u5220\u9664\u4e86)\uff0c\u7136\u540e\u53bb\u8bfb\u6570\u636e\u5e93\uff0c\u4f46\u662f\u6b64\u65f6\u8bf7\u6c421\u8fd8\u6ca1\u6765\u5f97\u53ca\u628a\u6570\u636e\u53ca\u65f6\u66f4\u65b0\uff0c\u90a3\u4e48\u8bf7\u6c422\u8bfb\u7684\u5c31\u662f\u65e7\u6570\u636e\uff0c\u5e76\u4e14\u8bf7\u6c422\u8fd8\u4f1a\u628a\u8bfb\u5230\u7684\u65e7\u6570\u636e\u653e\u5230\u7f13\u5b58\u4e2d\uff0c\u9020\u6210\u4e86\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u3002<\/p>\n

\u5176\u5b9e\u8981\u5148\u5220\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93\u4e5f\u662f\u53ef\u4ee5\uff0c\u5982\u91c7\u7528\u5ef6\u65f6\u53cc\u5220\u7b56\u7565<\/strong>
\u4f11\u77201\u79d2\uff0c\u518d\u6b21\u6dd8\u6c70\u7f13\u5b58 \u8fd9\u4e48\u505a\uff0c\u53ef\u4ee5\u5c061\u79d2\u5185\u6240\u9020\u6210\u7684\u7f13\u5b58\u810f\u6570\u636e\uff0c\u518d\u6b21\u5220\u9664\u3002\u4e0d\u4e00\u5b9a\u662f1\u79d2\uff0c\u770b\u4f60\u4e1a\u52a1\u51b3\u5b9a\u7684\uff0c\u4e0d\u8fc7\u4e0d\u63a8\u8350\u8fd9\u79cd\u505a\u6cd5<\/strong>\uff0c\u56e0\u4e3a\u5728\u8fd91\u79d2\u5185\u53ef\u80fd\u53d1\u751f\u56e0\u7d20\u5f88\u591a\uff0c\u5b83\u7684\u4e0d\u786e\u5b9a\u6027\u592a\u5927\u3002<\/p>\n

\n

\u5728\u5199\u6570\u636e\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5148\u66f4\u65b0DB\uff0c\u540e\u5220\u9664cache\u5c31\u6ca1\u6709\u95ee\u9898\u4e86\u4e48\uff1f<\/p>\n<\/blockquote>\n

\u7b54\uff1a<\/strong> \u7406\u8bba\u4e0a\u6765\u8bf4\u8fd8\u662f\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u7684\u95ee\u9898\uff0c\u4e0d\u8fc7\u6982\u7387\u975e\u5e38\u5c0f\u3002<\/p>\n

\u5047\u8bbe\u8fd9\u4f1a\u6709\u4e24\u4e2a\u8bf7\u6c42\uff0c\u4e00\u4e2a\u8bf7\u6c42A\u505a\u67e5\u8be2\u64cd\u4f5c\uff0c\u4e00\u4e2a\u8bf7\u6c42B\u505a\u66f4\u65b0\u64cd\u4f5c\uff0c\u90a3\u4e48\u4f1a\u6709\u5982\u4e0b\u60c5\u5f62\u4ea7\u751f<\/p>\n

\uff081\uff09\u7f13\u5b58\u521a\u597d\u5931\u6548
\uff082\uff09\u8bf7\u6c42A\u67e5\u8be2\u6570\u636e\u5e93\uff0c\u5f97\u4e00\u4e2a\u65e7\u503c
\uff083\uff09\u8bf7\u6c42B\u5c06\u65b0\u503c\u5199\u5165\u6570\u636e\u5e93
\uff084\uff09\u8bf7\u6c42B\u5220\u9664\u7f13\u5b58
\uff085\uff09\u8bf7\u6c42A\u5c06\u67e5\u5230\u7684\u65e7\u503c\u5199\u5165\u7f13\u5b58 ok\uff0c\u5982\u679c\u53d1\u751f\u4e0a\u8ff0\u60c5\u51b5\uff0c\u786e\u5b9e\u662f\u4f1a\u53d1\u751f\u810f\u6570\u636e\u3002<\/p>\n

\u7136\u800c\uff0c\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u7684\u6982\u7387\u5e76\u4e0d\u9ad8<\/strong><\/p>\n

\u53d1\u751f\u4e0a\u8ff0\u60c5\u51b5\u6709\u4e00\u4e2a\u5148\u5929\u6027\u6761\u4ef6\uff0c\u5c31\u662f\u6b65\u9aa4\uff083\uff09\u7684\u5199\u6570\u636e\u5e93\u64cd\u4f5c\u6bd4\u6b65\u9aa4\uff082\uff09\u7684\u8bfb\u6570\u636e\u5e93\u64cd\u4f5c\u8017\u65f6\u66f4\u77ed\uff0c\u624d\u6709\u53ef\u80fd\u4f7f\u5f97\u6b65\u9aa4\uff084\uff09\u5148\u4e8e\u6b65\u9aa4\uff085\uff09\u3002<\/p>\n

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\n

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\u7b54\uff1a<\/strong> \u5982\u679c\u5220\u9664\u7f13\u5b58\u8fc7\u7a0b\u4e2d\u5931\u8d25\u4e86\u5c31\u4f1a\u9020\u6210\u4e0d\u4e00\u81f4\u95ee\u9898<\/p>\n

\u5982\u4f55\u89e3\u51b3\uff1f<\/strong>
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Cache Aside Pattern \u7684\u7f3a\u9677<\/h3>\n

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