{"id":201167,"date":"2025-05-10T08:28:48","date_gmt":"2025-05-10T00:28:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201167\/"},"modified":"2025-05-10T08:28:48","modified_gmt":"2025-05-10T00:28:48","slug":"%e8%81%8a%e4%b8%80%e8%81%8aredis%e4%b8%8emysql%e5%8f%8c%e5%86%99%e4%b8%80%e8%87%b4%e6%80%a7%e5%a6%82%e4%bd%95%e4%bf%9d%e8%af%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201167\/","title":{"rendered":"\u804a\u4e00\u804aRedis\u4e0eMySQL\u53cc\u5199\u4e00\u81f4\u6027\u5982\u4f55\u4fdd\u8bc1"},"content":{"rendered":"

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

\u804a\u4e00\u804aRedis\u4e0eMySQL\u53cc\u5199\u4e00\u81f4\u6027\u5982\u4f55\u4fdd\u8bc1<\/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\u804a\u4e00\u804aRedis\u4e0eMySQL\u53cc\u5199\u4e00\u81f4\u6027\u5982\u4f55\u4fdd\u8bc1\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0bRedisMySQL\u3001\u53cc\u5199\u4e00\u81f4\u6027\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

1 \u4ec0\u4e48\u662f\u4e00\u81f4\u6027\uff1f<\/h2>\n

<\/p>\n

\u4e00\u81f4\u6027\u5c31\u662f\u6570\u636e\u4fdd\u6301\u4e00\u81f4\uff0c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u591a\u4e2a\u8282\u70b9\u4e2d\u6570\u636e\u7684\u503c\u662f\u4e00\u81f4\u7684\u3002<\/p>\n

\u5f3a\u4e00\u81f4\u6027\uff1a<\/strong> \u8fd9\u79cd\u4e00\u81f4\u6027\u7ea7\u522b\u662f\u6700\u7b26\u5408\u7528\u6237\u76f4\u89c9\u7684\uff0c\u5b83\u8981\u6c42\u7cfb\u7edf\u5199\u5165\u4ec0\u4e48\uff0c\u8bfb\u51fa\u6765\u7684\u4e5f\u4f1a\u662f\u4ec0\u4e48\uff0c\u7528\u6237\u4f53\u9a8c\u6027\u597d\uff0c\u4f46\u5b9e\u73b0\u8d77\u6765\u5f80\u5f80\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u5f71\u54cd\u5927\uff1b<\/p>\n

\u5f31\u4e00\u81f4\u6027\uff1a<\/strong> \u8fd9\u79cd\u4e00\u81f4\u6027\u7ea7\u522b\u7ea6\u675f\u4e86\u7cfb\u7edf\u5728\u5199\u5165\u6210\u529f\u540e\uff0c\u4e0d\u627f\u8bfa\u7acb\u5373\u53ef\u4ee5\u8bfb\u5230\u5199\u5165\u7684\u503c\uff0c\u4e5f\u4e0d\u627f\u8bfa\u591a\u4e45\u4e4b\u540e\u6570\u636e\u80fd\u591f\u8fbe\u5230\u4e00\u81f4\uff0c\u4f46\u4f1a\u5c3d\u53ef\u80fd\u5730\u4fdd\u8bc1\u5230\u67d0\u4e2a\u65f6\u95f4\u7ea7\u522b(\u6bd4\u5982\u79d2\u7ea7\u522b)\u540e\uff0c\u6570\u636e\u80fd\u591f\u8fbe\u5230\u4e00\u81f4\u72b6\u6001\uff1b<\/p>\n

\u6700\u7ec8\u4e00\u81f4\u6027\uff1a<\/strong> \u6700\u7ec8\u4e00\u81f4\u6027\u662f\u5f31\u4e00\u81f4\u6027\u7684\u4e00\u4e2a\u7279\u4f8b\uff0c\u7cfb\u7edf\u4f1a\u4fdd\u8bc1\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\uff0c\u80fd\u591f\u8fbe\u5230\u4e00\u4e2a\u6570\u636e\u4e00\u81f4\u7684\u72b6\u6001\u3002\u8fd9\u91cc\u4e4b\u6240\u4ee5\u5c06\u6700\u7ec8\u4e00\u81f4\u6027\u5355\u72ec\u63d0\u51fa\u6765\uff0c\u662f\u56e0\u4e3a\u5b83\u662f\u5f31\u4e00\u81f4\u6027\u4e2d\u975e\u5e38\u63a8\u5d07\u7684\u4e00\u79cd\u4e00\u81f4\u6027\u6a21\u578b\uff0c\u4e5f\u662f\u4e1a\u754c\u5728\u5927\u578b\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6570\u636e\u4e00\u81f4\u6027\u4e0a\u6bd4\u8f83\u63a8\u5d07\u7684\u6a21\u578b\uff1b<\/p>\n

 2 \u4e09\u4e2a\u7ecf\u5178\u7684\u7f13\u5b58\u6a21\u5f0f<\/h2>\n

\u7f13\u5b58\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u3001\u7f13\u89e3\u6570\u636e\u5e93\u538b\u529b\uff0c\u4f46\u662f\u4f7f\u7528\u7f13\u5b58\u4e5f\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002\u4e00\u822c\u6211\u4eec\u662f\u5982\u4f55\u4f7f\u7528\u7f13\u5b58\u5462\uff1f\u6709\u4e09\u79cd\u7ecf\u5178\u7684\u7f13\u5b58\u4f7f\u7528\u6a21\u5f0f\uff1a<\/p>\n

    \n
  • Cache-Aside Pattern\uff1b<\/li>\n
  • Read-Through \/ Write-Through<\/li>\n
  • Write-behind<\/li>\n<\/ul>\n

    (1) Cache-Aside<\/p>\n

    Cache-Aside Pattern, \u5373\u65c1\u8def\u7f13\u5b58\u6a21\u5f0f<\/strong>\u3002\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

    a. Cache-Aside\u8bfb\u6d41\u7a0b<\/p>\n

    Cache-Aside Pattern<\/code>\u7684\u8bfb\u8bf7\u6c42\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

    \u8bfb\u7684\u65f6\u5019\uff0c\u5148\u8bfb\u7f13\u5b58<\/strong>\uff0c\u7f13\u5b58\u547d\u4e2d\u7684\u8bdd\uff0c\u76f4\u63a5\u8fd4\u56de\u6570\u636e<\/strong>\uff1b\u7f13\u5b58\u6ca1\u6709\u547d\u4e2d\u7684\u8bdd\uff0c\u5c31\u53bb\u8bfb\u6570\u636e\u5e93<\/strong>\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u53d6\u51fa\u6570\u636e\uff0c\u653e\u5165\u7f13\u5b58<\/strong>\u540e\uff0c\u540c\u65f6\u8fd4\u56de\u54cd\u5e94\uff1b b.Cache-Aside\u5199\u6d41\u7a0b<\/p>\n

    Cache-Aside Pattern\u7684\u5199\u8bf7\u6c42\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

    \u66f4\u65b0\u5f97\u5230\u65f6\u5019\uff0c\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u7136\u540e\u518d\u5220\u9664\u7f13\u5b58\u3002<\/strong><\/p>\n

    \u5f53\u8fd9\u4e2a\u6570\u636e\u5728\u4e0b\u4e00\u6b21\u9700\u8981\u7684\u65f6\u5019\uff0c\u4f7f\u7528Cache-Aside\u6a21\u5f0f\u5c06\u4f1a\u5728\u83b7\u53d6\u6570\u636e\u7684\u65f6\u5019\uff0c\u540c\u65f6\u4ece\u6570\u636e\u4ed3\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5e76\u4e14\u5199\u5230Cache\u4e4b\u4e2d\u3002<\/p>\n

    (2) Read-Through\/Write-Through\uff08\u8bfb\u5199\u7a7f\u900f\uff09<\/p>\n

    Read\/Write – Through<\/strong>\u6a21\u5f0f\u4e2d\uff0c\u670d\u52a1\u7aef\u628a\u7f13\u5b58\u4f5c\u4e3a\u4e3b\u8981\u6570\u636e\u5b58\u50a8\u3002\u5e94\u7528\u7a0b\u5e8f\u8ddf\u6570\u636e\u5e93\u7f13\u5b58\u4ea4\u4e92\uff0c\u90fd\u662f\u901a\u8fc7\u62bd\u8c61\u7f13\u5b58\u5c42<\/strong>\u5b8c\u6210\u7684\u3002<\/p>\n

    a.Read-Through<\/p>\n

    Read-Through\u8bfb\u7684\u7b80\u8981\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

    \u4ece\u7f13\u5b58\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u8bfb\u5230\u76f4\u63a5\u8fd4\u56de\uff1b<\/p>\n

    \u5982\u679c\u8bfb\u53d6\u4e0d\u5230\u7684\u8bdd\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u52a0\u8f7d\uff0c\u5199\u5165\u7f13\u5b58\u540e\uff0c\u518d\u8fd4\u56de\u54cd\u5e94\uff1b<\/p>\n

    \u8fd9\u4e2a\u7b80\u8981\u6d41\u7a0b\u662f\u4e0d\u662f\u8ddfCache-Aside<\/strong>\u5f88\u50cf\u5462\uff1f\u5176\u5b9eRead-Through<\/strong>\u5c31\u662f\u591a\u4e86\u4e00\u5c42Cache-Provider<\/strong>\u800c\u5df2\uff0c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

    Read-Through \u5b9e\u9645\u4e0a\u53ea\u662f\u5728Cache-Aside<\/strong>\u4e4b\u4e0a\u8fdb\u884c\u4e86\u4e00\u5c42\u5c01\u88c5\uff0c\u5b83\u4f1a\u8ba9\u7a0b\u5e8f\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\uff0c\u540c\u65f6\u4e5f\u51cf\u5c11\u6570\u636e\u6e90\u4e0a\u7684\u8d1f\u8f7d\u3002<\/p>\n

    b.Write-Through<\/p>\n

    Write-Through\u6a21\u5f0f\u4e0b\uff0c\u5f53\u53d1\u751f\u5199\u8bf7\u6c42\u65f6\uff0c\u4e5f\u662f\u7531\u7f13\u5b58\u62bd\u8c61\u5c42<\/strong>\u5b8c\u6210\u6570\u636e\u6e90\u548c\u7f13\u5b58\u6570\u636e\u7684\u66f4\u65b0\uff0c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    <\/p>\n

    (3) Write-behind\uff08\u5f02\u6b65\u7f13\u5b58\u5199\u5165\uff09<\/p>\n

    Write-behind<\/strong>\u8ddfRead-Through\/Write-Through\u6709\u5f88\u591a\u76f8\u4f3c\u7684\u5730\u65b9\uff0c\u90fd\u662f\u7531Cache Provider<\/strong>\u6765\u8d1f\u8d23\u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u8bfb\u5199\u3002\u5b83\u4eec\u53c8\u6709\u4e2a\u5f88\u5927\u7684\u4e0d\u540c\uff1aRead\/Write-Through<\/strong>\u662f\u540c\u6b65\u66f4\u65b0\u7f13\u5b58\u548c\u6570\u636e\u7684\uff0cWrite-Behind<\/strong>\u5219\u662f\u53ea\u66f4\u65b0\u7f13\u5b58\uff0c\u4e0d\u76f4\u63a5\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u901a\u8fc7\u6279\u91cf\u5f02\u6b65<\/strong>\u7684\u65b9\u5f0f\u6765\u66f4\u65b0\u6570\u636e\u5e93\u3002<\/p>\n

    <\/p>\n

    \u8fd9\u79cd\u65b9\u5f0f\u4e0b\uff0c\u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u4e0d\u5f3a\uff0c\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u9ad8\u7684\u7cfb\u7edf\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/strong><\/p>\n

    \u4f46\u662f\u5b83\u9002\u5408\u9891\u7e41\u5199\u7684\u573a\u666f\uff0cMySQL\u7684Innodb Buffer Pool\u673a\u5236<\/strong>\u5c31\u662f\u7528\u5230\u8fd9\u79cd\u6a21\u5f0f\u3002<\/p>\n

    3 \u64cd\u4f5c\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u5230\u5e95\u662f\u5220\u9664\u7f13\u5b58\u5462\uff0c\u8fd8\u662f\u66f4\u65b0\u7f13\u5b58\uff1f<\/p>\n

    \u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u4e00\u822c\u4f7f\u7528\u7684\u5c31\u662fCache-Aside<\/strong>\u6a21\u5f0f\u3002\u4f46\u8fd9\u91cc\u6211\u4eec\u6ce8\u610f\u5230Cache-Aside<\/strong>\u5728\u5199\u5165\u8bf7\u6c42\u7684\u65f6\u5019\uff0c\u4e3a\u4ec0\u4e48\u662f\u5220\u9664\u7f13\u5b58\u800c\u4e0d\u662f\u66f4\u65b0\u7f13\u5b58\u5462\uff1f<\/strong><\/p>\n

    <\/p>\n

    \u6211\u4eec\u5728\u64cd\u4f5c\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u5230\u5e95\u5e94\u8be5\u5220\u9664\u7f13\u5b58\u8fd8\u662f\u66f4\u65b0\u7f13\u5b58\u5462\uff1f\u8fd9\u91cc\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u4e00\u4e0b\uff1a<\/p>\n

    <\/p>\n

    \u7ebf\u7a0bA\u5148\u53d1\u8d77\u4e00\u4e2a\u5199\u64cd\u4f5c\uff0c\u7b2c\u4e00\u6b65\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff1b\u7ebf\u7a0bB\u5148\u53d1\u8d77\u4e00\u4e2a\u5199\u64cd\u4f5c\uff0c\u7b2c\u4e8c\u6b65\u540e\u66f4\u65b0\u6570\u636e\u5e93\uff1b\u4f46\u662f\u7531\u4e8e\u7f51\u7edc\u7b49\u539f\u56e0\uff0c\u7ebf\u7a0bB\u5148\u66f4\u65b0\u4e86\u7f13\u5b58\uff1b\u7ebf\u7a0bA\u66f4\u65b0\u7f13\u5b58\uff1b<\/p>\n

    \u6b64\u5916, \u66f4\u65b0\u7f13\u5b58\u76f8\u5bf9\u4e8e\u5220\u9664\u7f13\u5b58<\/strong>\uff0c\u8fd8\u6709\u4e24\u70b9\u52a3\u52bf\uff1a<\/p>\n

    \u5982\u679c\u4f60\u5199\u5165\u7684\u7f13\u5b58\u503c\uff0c\u662f\u7ecf\u8fc7\u590d\u6742\u8ba1\u7b97\u624d\u5f97\u5230\u7684\u8bdd\uff0c\u66f4\u65b0\u7f13\u5b58\u9891\u7387\u9ad8\u7684\u8bdd\uff0c\u5c31\u6d6a\u8d39\u6027\u80fd\u4e86\uff1b\u5728\u5199\u6570\u636e\u5e93\u573a\u666f\u591a\u3001\u8bfb\u6570\u636e\u573a\u666f\u5c11\u7684\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u5f88\u591a\u65f6\u5019\u8fd8\u6ca1\u88ab\u8bfb\u53d6\u5230\uff0c\u53c8\u88ab\u66f4\u65b0\u4e86\uff0c\u8fd9\u4e5f\u6d6a\u8d39\u4e86\u6027\u80fd\u5462\u3002 4 \u53cc\u5199\u7684\u60c5\u51b5\u4e0b\uff0c\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u8fd8\u662f\u5148\u64cd\u4f5c\u7f13\u5b58\u5462\uff1f<\/p>\n

    Cache-Aside<\/code>\u7f13\u5b58\u6a21\u5f0f\u4e2d\uff0c\u6709\u4e9b\u5c0f\u4f19\u4f34\u8fd8\u662f\u4f1a\u6709\u7591\u95ee\uff0c\u5728\u5199\u8bf7\u6c42\u8fc7\u6765\u7684\u65f6\u5019\uff0c\u4e3a\u4ec0\u4e48\u662f\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u5462\uff1f\u4e3a\u4ec0\u4e48<\/strong>\u4e0d\u5148\u64cd\u4f5c\u7f13\u5b58<\/strong>\u5462\uff1f<\/p>\n

    \u4f8b\u5b50\uff1a\u5047\u8bbe\u6709A\u3001B\u4e24\u4e2a\u8bf7\u6c42\uff0c\u8bf7\u6c42A\u505a\u66f4\u65b0\u64cd\u4f5c\uff0c\u8bf7\u6c42B\u505a\u67e5\u8be2\u8bfb\u53d6\u64cd\u4f5c\u3002<\/p>\n

    <\/p>\n

    \u7ebf\u7a0bA\u53d1\u8d77\u4e00\u4e2a\u5199\u64cd\u4f5c\uff0c\u7b2c\u4e00\u6b65del cache\uff1b\u6b64\u65f6\u7ebf\u7a0bB\u53d1\u8d77\u4e00\u4e2a\u8bfb\u64cd\u4f5c\uff0ccache miss\uff1b\u7ebf\u7a0bB\u7ee7\u7eed\u8bfbDB\uff0c\u8bfb\u51fa\u6765\u4e00\u4e2a\u8001\u6570\u636e\uff0c\u6b64\u65f6\u7ebf\u7a0bB\u628a\u8001\u6570\u636e\u8bbe\u7f6e\u5165cache\uff1b\u7ebf\u7a0bA\u5199\u5165DB\u66f4\u65b0\u6570\u636e\uff1b<\/p>\n

    \u8fd9\u91cc\u5c31\u5b58\u5728\u8fd9\u6837\u7684\u4e00\u4e2a\u95ee\u9898\u4e86\uff1a\u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u4e86\u3002\u7f13\u5b58\u4fdd\u5b58\u7684\u662f\u8001\u6570\u636e\uff0c\u6570\u636e\u5e93\u4fdd\u5b58\u7684\u662f\u65b0\u6570\u636e\u3002<\/strong> \u56e0\u6b64\uff0cCache-Aside\u7f13\u5b58\u6a21\u5f0f\uff0c\u9009\u62e9\u4e86\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u800c\u4e0d\u662f\u5148\u64cd\u4f5c\u7f13\u5b58\u3002<\/p>\n

    \n

    \u4f46\u53ef\u80fd\u8fd9\u65f6\u5019\u6709\u5c0f\u4f19\u4f34\u4f1a\u601d\u8003\uff1a\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u518d\u64cd\u4f5c\u7f13\u5b58\uff0c\u4e0d\u4e00\u6837\u4e5f\u4f1a\u5bfc\u81f4\u4e0d\u4e00\u81f4\u561b\uff1f\u5b83\u4fe9\u53c8\u4e0d\u662f\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u3002\u8fd9\u4e2a\u662f\u4f1a\u7684\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e00\u822c\u4f1a\u56e0\u4e3a\u5220\u9664\u7f13\u5b58\u5931\u8d25\u7b49\u539f\u56e0\uff0c\u624d\u4f1a\u5bfc\u81f4\u810f\u6570\u636e\uff0c\u8fd9\u4e2a\u6982\u7387\u5c31\u5f88\u4f4e\u3002<\/p>\n

    \u90a3\u4e48\u9488\u5bf9\u8fd9\u79cd\u5220\u9664\u7f13\u5b58\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u5982\u4f55\u4fdd\u8bc1\u4e00\u81f4\u6027\u5462\uff1f<\/p>\n<\/blockquote>\n

    \u6570\u636e\u5e93\u548c\u7f13\u5b58\u6570\u636e\u4fdd\u6301\u5f3a\u4e00\u81f4\uff0c\u53ef\u4ee5\u561b\uff1f<\/strong><\/p>\n

    \u5b9e\u9645\u4e0a\uff0c\u6ca1\u529e\u6cd5\u505a\u5230\u6570\u636e\u5e93\u548c\u7f13\u5b58\u7684\u7edd\u5bf9\u7684\u4e00\u81f4\u6027<\/strong>\u3002<\/p>\n

    \u52a0\u9501\u53ef\u4ee5\u561b\uff1f\u5e76\u53d1\u5199\u671f\u95f4\u52a0\u9501\uff0c\u4efb\u4f55\u8bfb\u64cd\u4f5c\u4e0d\u5199\u5165\u7f13\u5b58\uff1f\u7f13\u5b58\u4ee5\u53ca\u6570\u636e\u5e93\u5c01\u88c5CAS\u4e50\u89c2\u9501\uff0c\u66f4\u65b0\u7f13\u5b58\u65f6\u901a\u8fc7lua\u811a\u672c\uff1f\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c3PC?TCC\uff1f<\/p>\n

    \u5176\u5b9e\uff0c\u8fd9\u662f\u7531CAP\u7406\u8bba<\/strong> \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\u4e2a\u4eba\u89c9\u5f97\uff0c\u8ffd\u6c42\u7edd\u5bf9\u4e00\u81f4\u6027\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u4e0d\u9002\u5408\u5f15\u5165\u7f13\u5b58\u3002<\/strong><\/p>\n

    \n

    CAP\u7406\u8bba\uff0c\u6307\u7684\u662f\u5728\u4e00\u4e2a\u5206\u5e03\u5f0f\u620f\u4e2d\uff0cConsistency\uff08\u4e00\u81f4\u6027\uff09\u3001Availability\uff08\u53ef\u7528\u6027\uff09\u3001Partition tolerance\uff08\u5206\u533a\u5bb9\u9519\u6027\uff09\u3002\u4e09\u8005\u4e0d\u53ef\u517c\u5f97<\/p>\n<\/blockquote>\n

    5 \u51e0\u79cd\u65b9\u6848\u4fdd\u8bc1\u6570\u636e\u5e93\u4e0e\u7f13\u5b58\u7684\u4e00\u81f4\u6027 (1) \u7f13\u5b58\u5ef6\u65f6\u53cc\u5220<\/p>\n

    \u6709\u4e9b\u5c0f\u4f19\u4f34\u53ef\u80fd\u4f1a\u8bf4\uff0c\u5e76\u4e0d\u4e00\u5b9a\u8981\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u5440\uff0c\u91c7\u7528\u7f13\u5b58\u5ef6\u65f6\u53cc\u5220<\/strong>\u7b56\u7565\uff0c\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u62c9\u3002\u90a3\u4e48\u4ec0\u4e48\u662f\u5ef6\u65f6\u53cc\u5220\u5462\uff1f<\/p>\n

    <\/p>\n

    \u5148\u5220\u9664\u7f13\u5b58\uff1b\u518d\u66f4\u65b0\u6570\u636e\u5e93\uff1b\u518d\u4f11\u7720\u4e00\u4f1a(\u6bd4\u59821\u79d2)\uff0c\u518d\u6b21\u5220\u9664\u7f13\u5b58\uff1b<\/p>\n

    \u90a3\u4e48\u8fd9\u4e2a\u4f11\u7720\u4e00\u4f1a\uff0c\u4e00\u822c\u591a\u4e45\u5462\uff1f\u90fd\u662f1\u79d2\uff1f<\/p>\n

    \n

    \u8fd9\u4e2a\u4f11\u7720\u65f6\u95f4 = \u8bfb\u4e1a\u52a1\u903b\u8f91\u6570\u636e\u7684\u8017\u65f6 + \u51e0\u767e\u6beb\u79d2\u3002 \u4e3a\u4e86\u786e\u4fdd\u8bfb\u8bf7\u6c42\u7ed3\u675f\uff0c\u5199\u8bf7\u6c42\u53ef\u4ee5\u5220\u9664\u8bfb\u8bf7\u6c42\u53ef\u80fd\u5e26\u6765\u7684\u7f13\u5b58\u810f\u6570\u636e\uff1b<\/p>\n<\/blockquote>\n

    \u8fd9\u79cd\u65b9\u6848\u8fd8\u7b97\u53ef\u4ee5\uff0c\u53ea\u6709\u4f11\u7720\u90a3\u4e00\u4f1a\uff08\u6bd4\u5982\u5c31\u90a31\u79d2\uff09\uff0c\u53ef\u80fd\u6709\u810f\u6570\u636e\uff0c\u4e00\u822c\u4e1a\u52a1\u4e5f\u4f1a\u63a5\u53d7\u7684\u3002\u4f46\u662f\u5982\u679c\u7b2c\u4e8c\u6b21\u5220\u9664\u7f13\u5b58\u5931\u8d25<\/strong>\u5462\uff1f\u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u6570\u636e\u8fd8\u662f\u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u5bf9\u5427\uff1f\u7ed9Key\u8bbe\u7f6e\u4e00\u4e2a\u81ea\u7136\u7684expire\u8fc7\u671f\u65f6\u95f4\uff0c\u8ba9\u5b83\u81ea\u52a8\u8fc7\u671f\u600e\u6837\uff1f\u90a3\u4e1a\u52a1\u8981\u63a5\u53d7\u8fc7\u671f\u65f6\u95f4<\/strong>\u5185\uff0c\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u54af\uff1f\u8fd8\u662f\u6709\u5176\u4ed6\u66f4\u4f73\u65b9\u6848\u5462\uff1f<\/p>\n

    (2) \u5220\u9664\u7f13\u5b58\u91cd\u8bd5\u673a\u5236<\/p>\n

    \u4e0d\u7ba1\u662f\u5ef6\u65f6\u53cc\u5220<\/strong>\u8fd8\u662fCache-Aside\u7684\u5148\u64cd\u4f5c\u6570\u636e\u5e93\u518d\u5220\u9664\u7f13\u5b58<\/strong>\uff0c \u90fd\u53ef\u80fd\u4f1a\u5b58\u5728\u7b2c\u4e8c\u6b65\u7684\u5220\u9664\u7f13\u5b58\u5931\u8d25\uff0c\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6848\u4f18\u5316\uff1a\u5220\u9664\u5931\u8d25\u5c31\u591a\u5220\u9664\u51e0\u6b21\u5440\uff0c\u4fdd\u8bc1\u5220\u9664\u7f13\u5b58\u6210\u529f\u5c31\u53ef\u4ee5\u4e86\u5440~ \u6240\u4ee5\u53ef\u4ee5\u5f15\u5165\u5220\u9664\u7f13\u5b58\u91cd\u8bd5\u673a\u5236<\/strong>\u3002<\/p>\n

    <\/p>\n

    \u5199\u8bf7\u6c42\u66f4\u65b0\u6570\u636e\u5e93\uff1b\u7f13\u5b58\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\uff0c\u5220\u9664\u5931\u8d25\uff1b\u628a\u5220\u9664\u5931\u8d25\u7684key\u653e\u5230\u6d88\u606f\u961f\u5217\uff1b\u6d88\u8d39\u6d88\u606f\u961f\u5217\u7684\u6d88\u606f\uff0c\u83b7\u53d6\u8981\u5220\u9664\u7684key\uff1b\u91cd\u8bd5\u5220\u9664\u7f13\u5b58\u64cd\u4f5c\uff1b (3) \u8bfb\u53d6binlog\u5f02\u6b65\u5220\u9664\u7f13\u5b58<\/p>\n

    \u91cd\u8bd5\u5220\u9664\u7f13\u5b58\u673a\u5236\u8fd8\u53ef\u4ee5\uff0c\u4f46\u662f\u4f1a\u9020\u6210\u597d\u591a\u4e1a\u52a1\u4ee3\u7801\u5165\u4fb5\u3002\u5176\u5b9e\uff0c\u8fd8\u53ef\u4ee5\u8fd9\u6837\u4f18\u5316\uff1a\u901a\u8fc7\u6570\u636e\u5e93\u7684binlog\u6765\u5f02\u6b65\u6dd8\u6c70key\u3002<\/strong><\/p>\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    \u804a\u4e00\u804aRedis\u4e0eMySQL\u53cc\u5199...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201167","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201167"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201167\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}