{"id":181526,"date":"2024-11-09T17:47:19","date_gmt":"2024-11-09T09:47:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181526\/"},"modified":"2024-11-09T17:47:20","modified_gmt":"2024-11-09T09:47:20","slug":"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e7%b7%9a%e7%a8%8b%e7%b7%a8%e7%a8%8b%e6%ba%90%e7%a2%bc%e8%a7%a3%e8%ae%80%ef%bc%88redis%e7%b7%9a%e7%a8%8b%e6%ba%90%e7%a2%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181526\/","title":{"rendered":"\u6df1\u5165\u6dfa\u51faRedis\u7dda\u7a0b\u7de8\u7a0b\u6e90\u78bc\u89e3\u8b80\uff08redis\u7dda\u7a0b\u6e90\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e7%b7%9a%e7%a8%8b%e7%b7%a8%e7%a8%8b%e6%ba%90%e7%a2%bc%e8%a7%a3%e8%ae%80%ef%bc%88redis%e7%b7%9a%e7%a8%8b%e6%ba%90%e7%a2%bc%ef%bc%89-eYjoecDBFB\">\u6df1\u5165\u6dfa\u51faRedis\u7dda\u7a0b\u7de8\u7a0b\u6e90\u78bc\u89e3\u8b80\uff08redis\u7dda\u7a0b\u6e90\u78bc\uff09<\/h1>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u96a8\u8457\u591a\u6838\u8655\u7406\u5668\u7684\u666e\u53ca\uff0cRedis\u5728\u5176\u6700\u65b0\u7248\u672c\u4e2d\u5f15\u5165\u4e86\u7dda\u7a0b\u7de8\u7a0b\u7684\u6982\u5ff5\uff0c\u4ee5\u63d0\u9ad8\u5176\u6027\u80fd\u548c\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u7dda\u7a0b\u7de8\u7a0b\u6e90\u78bc\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u80cc\u5f8c\u7684\u8a2d\u8a08\u7406\u5ff5\u548c\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%b7%9a%e7%a8%8b%e6%a8%a1%e5%9e%8b-eYjoecDBFB\">Redis\u7684\u7dda\u7a0b\u6a21\u578b<\/h2>\n<p>\u5728Redis\u7684\u65e9\u671f\u7248\u672c\u4e2d\uff0c\u6240\u6709\u7684\u8acb\u6c42\u90fd\u662f\u5728\u55ae\u4e00\u7dda\u7a0b\u4e2d\u8655\u7406\u7684\uff0c\u9019\u96d6\u7136\u7c21\u5316\u4e86\u8a2d\u8a08\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cRedis\u5728\u7248\u672c6.0\u4e2d\u5f15\u5165\u4e86\u7dda\u7a0b\u6a21\u578b\uff0c\u5141\u8a31\u5728\u591a\u500b\u7dda\u7a0b\u4e2d\u8655\u7406\u8acb\u6c42\u3002<\/p>\n<p>Redis\u7684\u7dda\u7a0b\u6a21\u578b\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>IO\u7dda\u7a0b\uff1a<\/strong>\u8ca0\u8cac\u8655\u7406\u7db2\u7d61IO\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u5c07IO\u64cd\u4f5c\u8207\u6578\u64da\u8655\u7406\u5206\u958b\uff0c\u6e1b\u5c11\u963b\u585e\u3002<\/li>\n<li><strong>\u5de5\u4f5c\u7dda\u7a0b\uff1a<\/strong>\u8ca0\u8cac\u57f7\u884c\u5be6\u969b\u7684\u547d\u4ee4\u8655\u7406\uff0c\u9019\u4e9b\u7dda\u7a0b\u53ef\u4ee5\u4e26\u884c\u8655\u7406\u591a\u500b\u8acb\u6c42\u3002<\/li>\n<li><strong>\u4e3b\u7dda\u7a0b\uff1a<\/strong>\u8ca0\u8cac\u7ba1\u7406\u6574\u500bRedis\u5be6\u4f8b\uff0c\u5305\u62ec\u63a5\u6536\u5ba2\u6236\u7aef\u8acb\u6c42\u548c\u8abf\u5ea6\u5de5\u4f5c\u7dda\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b7%9a%e7%a8%8b%e7%9a%84%e5%89%b5%e5%bb%ba%e8%88%87%e7%ae%a1%e7%90%86-eYjoecDBFB\">\u7dda\u7a0b\u7684\u5275\u5efa\u8207\u7ba1\u7406<\/h2>\n<p>\u5728Redis\u7684\u6e90\u78bc\u4e2d\uff0c\u7dda\u7a0b\u7684\u5275\u5efa\u548c\u7ba1\u7406\u4e3b\u8981\u96c6\u4e2d\u5728 <code>server.c<\/code> \u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u7dda\u7a0b\u5275\u5efa\u7684\u57fa\u672c\u904e\u7a0b\uff1a<\/p>\n<pre><code>\nvoid createIOThreads(void) {\n    for (int i = 0; i &lt; server.io_threads; i++) {\n        pthread_create(&amp;server.io_threads[i], NULL, ioThread, NULL);\n    }\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 <code>pthread_create<\/code> \u51fd\u6578\u5275\u5efaIO\u7dda\u7a0b\u3002\u6bcf\u500b\u7dda\u7a0b\u90fd\u6703\u57f7\u884c <code>ioThread<\/code> \u51fd\u6578\uff0c\u8a72\u51fd\u6578\u8ca0\u8cac\u8655\u7406\u7db2\u7d61\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e8%ab%8b%e6%b1%82%e7%9a%84%e8%99%95%e7%90%86%e6%b5%81%e7%a8%8b-eYjoecDBFB\">\u8acb\u6c42\u7684\u8655\u7406\u6d41\u7a0b<\/h2>\n<p>\u7576\u5ba2\u6236\u7aef\u767c\u9001\u8acb\u6c42\u6642\uff0c\u4e3b\u7dda\u7a0b\u6703\u5c07\u8acb\u6c42\u5206\u914d\u7d66\u53ef\u7528\u7684\u5de5\u4f5c\u7dda\u7a0b\u3002\u9019\u4e00\u904e\u7a0b\u6d89\u53ca\u5230\u8acb\u6c42\u7684\u6392\u968a\u548c\u5206\u767c\u3002\u4ee5\u4e0b\u662f\u8acb\u6c42\u8655\u7406\u7684\u57fa\u672c\u908f\u8f2f\uff1a<\/p>\n<pre><code>\nvoid processRequest(client *c) {\n    if (server.io_threads &gt; 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