{"id":398,"date":"2016-02-17T09:41:41","date_gmt":"2016-02-17T01:41:41","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=398"},"modified":"2016-02-17T09:43:37","modified_gmt":"2016-02-17T01:43:37","slug":"%e5%ae%89%e8%a3%85%e5%ae%8c-mysql-%e5%90%8e%e5%bf%85%e9%a1%bb%e8%b0%83%e6%95%b4%e7%9a%84-10-%e9%a1%b9%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/shujuku\/%e5%ae%89%e8%a3%85%e5%ae%8c-mysql-%e5%90%8e%e5%bf%85%e9%a1%bb%e8%b0%83%e6%95%b4%e7%9a%84-10-%e9%a1%b9%e9%85%8d%e7%bd%ae\/","title":{"rendered":"\u5b89\u88c5\u5b8c MySQL \u540e\u5fc5\u987b\u8c03\u6574\u7684 10 \u9879\u914d\u7f6e"},"content":{"rendered":"<p>\u5f53\u6211\u4eec\u88ab\u4eba\u96c7\u6765\u76d1\u6d4bMySQL\u6027\u80fd\u65f6\uff0c\u4eba\u4eec\u5e0c\u671b\u6211\u4eec\u80fd\u591f\u68c0\u89c6\u4e00\u4e0bMySQL\u914d\u7f6e\u7136\u540e\u7ed9\u51fa\u4e00\u4e9b\u63d0\u9ad8\u5efa\u8bae\u3002\u8bb8\u591a\u4eba\u5728\u4e8b\u540e\u90fd\u975e\u5e38\u60ca\u8bb6\uff0c\u56e0\u4e3a\u6211\u4eec\u5efa\u8bae\u4ed6\u4eec\u4ec5\u4ec5\u6539\u52a8\u51e0\u4e2a\u8bbe\u7f6e\uff0c\u5373\u4f7f\u662f\u8fd9\u91cc\u6709\u597d\u51e0\u767e\u4e2a\u914d\u7f6e\u9879\u3002\u8fd9\u7bc7\u6587\u7ae0\u7684\u76ee\u7684\u5728\u4e8e\u7ed9\u4f60\u4e00\u4efd\u975e\u5e38\u91cd\u8981\u7684\u914d\u7f6e\u9879\u6e05\u5355\u3002<\/p>\n<p>\u6211\u4eec\u66fe\u5728\u51e0\u5e74\u524d\u5728\u535a\u5ba2\u91cc\u7ed9\u51fa\u4e86\u8fd9\u6837\u7684\u5efa\u8bae\uff0c\u4f46\u662fMySQL\u7684\u4e16\u754c\u53d8\u5316\u5b9e\u5728\u592a\u5feb\u4e86\uff01<\/p>\n<h2>\u3000\u5199\u5728\u5f00\u59cb\u524d\u2026<\/h2>\n<p>\u3000\u3000\u5373\u4f7f\u662f\u7ecf\u9a8c\u8001\u9053\u7684\u4eba\u4e5f\u4f1a\u72af\u9519\uff0c\u4f1a\u5f15\u8d77\u5f88\u591a\u9ebb\u70e6\u3002\u6240\u4ee5\u5728\u76f2\u76ee\u7684\u8fd0\u7528\u8fd9\u4e9b\u63a8\u8350\u4e4b\u524d\uff0c\u8bf7\u8bb0\u4f4f\u4e0b\u9762\u7684\u5185\u5bb9\uff1a<\/p>\n<ul class=\" list-paddingleft-2\">\n<li>\n<p>\u4e00\u6b21\u53ea\u6539\u53d8\u4e00\u4e2a\u8bbe\u7f6e\uff01\u8fd9\u662f\u6d4b\u8bd5\u6539\u53d8\u662f\u5426\u6709\u76ca\u7684\u552f\u4e00\u65b9\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p>\u5927\u591a\u6570\u914d\u7f6e\u80fd\u5728\u8fd0\u884c\u65f6\u4f7f\u7528SET GLOBAL\u6539\u53d8\u3002\u8fd9\u662f\u975e\u5e38\u4fbf\u6377\u7684\u65b9\u6cd5\u5b83\u80fd\u4f7f\u4f60\u5728\u51fa\u95ee\u9898\u540e\u5feb\u901f\u64a4\u9500\u53d8\u66f4\u3002\u4f46\u662f\uff0c\u8981\u6c38\u4e45\u751f\u6548\u4f60\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u91cc\u505a\u51fa\u6539\u52a8\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u53d8\u66f4\u5373\u4f7f\u91cd\u542f\u4e86MySQL\u4e5f\u6ca1\u8d77\u4f5c\u7528\uff1f\u8bf7\u786e\u5b9a\u4f60\u4f7f\u7528\u4e86\u6b63\u786e\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u8bf7\u786e\u5b9a\u4f60\u628a\u914d\u7f6e\u653e\u5728\u4e86\u6b63\u786e\u7684\u533a\u57df\u5185(\u6240\u6709\u8fd9\u7bc7\u6587\u7ae0\u63d0\u5230\u7684\u914d\u7f6e\u90fd\u5c5e\u4e8e [mysqld])<\/p>\n<\/li>\n<li>\n<p>\u670d\u52a1\u5668\u5728\u6539\u52a8\u4e00\u4e2a\u914d\u7f6e\u540e\u542f\u4e0d\u6765\u4e86\uff1a\u8bf7\u786e\u5b9a\u4f60\u4f7f\u7528\u4e86\u6b63\u786e\u7684\u5355\u4f4d\u3002\u4f8b\u5982\uff0cinnodb_buffer_pool_size\u7684\u5355\u4f4d\u662fMB\u800cmax_connection\u662f\u6ca1\u6709\u5355\u4f4d\u7684\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u8981\u5728\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u91cc\u51fa\u73b0\u91cd\u590d\u7684\u914d\u7f6e\u9879\u3002\u5982\u679c\u4f60\u60f3\u8ffd\u8e2a\u6539\u52a8\uff0c\u8bf7\u4f7f\u7528\u7248\u672c\u63a7\u5236\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u8981\u7528\u5929\u771f\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u4f8b\u5982\u201d\u73b0\u5728\u6211\u7684\u670d\u52a1\u5668\u7684\u5185\u5b58\u662f\u4e4b\u524d\u76842\u500d\uff0c\u6240\u4ee5\u6211\u5f97\u628a\u6240\u6709\u6570\u503c\u90fd\u6539\u6210\u4e4b\u524d\u76842\u500d\u201c\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u3000\u57fa\u672c\u914d\u7f6e<\/h2>\n<p>\u3000\u3000\u4f60\u9700\u8981\u7ecf\u5e38\u5bdf\u770b\u4ee5\u4e0b3\u4e2a\u914d\u7f6e\u9879\u3002\u4e0d\u7136\uff0c\u53ef\u80fd\u5f88\u5feb\u5c31\u4f1a\u51fa\u95ee\u9898\u3002<\/p>\n<p><strong>\u3000\u3000innodb_buffer_pool_size:<\/strong>\u8fd9\u662f\u4f60\u5b89\u88c5\u5b8cInnoDB\u540e\u7b2c\u4e00\u4e2a\u5e94\u8be5\u8bbe\u7f6e\u7684\u9009\u9879\u3002\u7f13\u51b2\u6c60\u662f\u6570\u636e\u548c\u7d22\u5f15\u7f13\u5b58\u7684\u5730\u65b9\uff1a\u8fd9\u4e2a\u503c\u8d8a\u5927\u8d8a\u597d\uff0c\u8fd9\u80fd\u4fdd\u8bc1\u4f60\u5728\u5927\u591a\u6570\u7684\u8bfb\u53d6\u64cd\u4f5c\u65f6\u4f7f\u7528\u7684\u662f\u5185\u5b58\u800c\u4e0d\u662f\u786c\u76d8\u3002\u5178\u578b\u7684\u503c\u662f5-6GB(8GB\u5185\u5b58)\uff0c20-25GB(32GB\u5185\u5b58)\uff0c100-120GB(128GB\u5185\u5b58)\u3002<\/p>\n<p><strong>\u3000\u3000innodb_log_file_size<\/strong><strong>\uff1a<\/strong>\u8fd9 \u662fredo\u65e5\u5fd7\u7684\u5927\u5c0f\u3002redo\u65e5\u5fd7\u88ab\u7528\u4e8e\u786e\u4fdd\u5199\u64cd\u4f5c\u5feb\u901f\u800c\u53ef\u9760\u5e76\u4e14\u5728\u5d29\u6e83\u65f6\u6062\u590d\u3002\u4e00\u76f4\u5230MySQL 5.1\uff0c\u5b83\u90fd\u96be\u4e8e\u8c03\u6574\uff0c\u56e0\u4e3a\u4e00\u65b9\u9762\u4f60\u60f3\u8ba9\u5b83\u66f4\u5927\u6765\u63d0\u9ad8\u6027\u80fd\uff0c\u53e6\u4e00\u65b9\u9762\u4f60\u60f3\u8ba9\u5b83\u66f4\u5c0f\u6765\u4f7f\u5f97\u5d29\u6e83\u540e\u66f4\u5feb\u6062\u590d\u3002\u5e78\u8fd0\u7684\u662f\u4eceMySQL 5.5\u4e4b\u540e\uff0c\u5d29\u6e83\u6062\u590d\u7684\u6027\u80fd\u7684\u5230\u4e86\u5f88\u5927\u63d0\u5347\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u540c\u65f6\u62e5\u6709\u8f83\u9ad8\u7684\u5199\u5165\u6027\u80fd\u548c\u5d29\u6e83\u6062\u590d\u6027\u80fd\u4e86\u3002\u4e00\u76f4\u5230MySQL 5.5\uff0credo\u65e5\u5fd7\u7684\u603b\u5c3a\u5bf8\u88ab\u9650\u5b9a\u57284GB(\u9ed8\u8ba4\u53ef\u4ee5\u67092\u4e2alog\u6587\u4ef6)\u3002\u8fd9\u5728MySQL 5.6\u91cc\u88ab\u63d0\u9ad8\u3002<\/p>\n<p>\u3000\u3000\u4e00\u5f00\u59cb\u5c31\u628ainnodb_log_file_size\u8bbe\u7f6e\u6210512M(\u8fd9\u6837\u67091GB\u7684redo\u65e5\u5fd7)\u4f1a\u4f7f\u4f60\u6709\u5145\u88d5\u7684\u5199\u64cd\u4f5c\u7a7a\u95f4\u3002\u5982\u679c\u4f60\u77e5\u9053\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u9891\u7e41\u7684\u5199\u5165\u6570\u636e\u5e76\u4e14\u4f60\u4f7f\u7528\u7684\u65f6MySQL 5.6\uff0c\u4f60\u53ef\u4ee5\u4e00\u5f00\u59cb\u5c31\u628a\u5b83\u8fd9\u662f\u62104G\u3002<\/p>\n<p><strong>\u3000\u3000max_connections<\/strong>: \u5982\u679c\u4f60\u7ecf\u5e38\u770b\u5230\u2018Too many connections\u2019\u9519\u8bef\uff0c\u662f\u56e0\u4e3amax_connections\u7684\u503c\u592a\u4f4e\u4e86\u3002\u8fd9\u975e\u5e38\u5e38\u89c1\u56e0\u4e3a\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u7684\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u4f60\u9700\u8981\u6bd4\u9ed8\u8ba4\u7684 151\u8fde\u63a5\u6570\u66f4\u5927\u7684\u503c\u3002max_connection\u503c\u88ab\u8bbe\u9ad8\u4e86(\u4f8b\u59821000\u6216\u66f4\u9ad8)\u4e4b\u540e\u4e00\u4e2a\u4e3b\u8981\u7f3a\u9677\u662f\u5f53\u670d\u52a1\u5668\u8fd0\u884c1000\u4e2a\u6216\u66f4\u9ad8\u7684\u6d3b\u52a8\u4e8b\u52a1\u65f6\u4f1a\u53d8 \u7684\u6ca1\u6709\u54cd\u5e94\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u91cc\u4f7f\u7528\u8fde\u63a5\u6c60\u6216\u8005\u5728MySQL\u91cc\u4f7f\u7528\u8fdb\u7a0b\u6c60\u6709\u52a9\u4e8e\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n<h2>\u3000InnoDB\u914d\u7f6e<\/h2>\n<p>\u3000\u3000\u4eceMySQL 5.5\u7248\u672c\u5f00\u59cb\uff0cInnoDB\u5c31\u662f\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\u5e76\u4e14\u5b83\u6bd4\u4efb\u4f55\u5176\u4ed6\u5b58\u50a8\u5f15\u64ce\u7684\u4f7f\u7528\u90fd\u8981\u591a\u5f97\u591a\u3002\u90a3\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5b83\u9700\u8981\u5c0f\u5fc3\u914d\u7f6e\u7684\u539f\u56e0\u3002<\/p>\n<p><strong>\u3000\u3000innodb_file_per_table<\/strong>\uff1a \u8fd9\u9879\u8bbe\u7f6e\u544a\u77e5InnoDB\u662f\u5426\u9700\u8981\u5c06\u6240\u6709\u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u5b58\u653e\u5728\u5171\u4eab\u8868\u7a7a\u95f4\u91cc\uff08innodb_file_per_table = OFF\uff09 \u6216\u8005\u4e3a\u6bcf\u5f20\u8868\u7684\u6570\u636e\u5355\u72ec\u653e\u5728\u4e00\u4e2a.ibd\u6587\u4ef6\uff08innodb_file_per_table = ON\uff09\u3002\u6bcf\u5f20\u8868\u4e00\u4e2a\u6587\u4ef6\u5141\u8bb8\u4f60\u5728drop\u3001truncate\u6216\u8005rebuild\u8868\u65f6\u56de\u6536\u78c1\u76d8\u7a7a\u95f4\u3002\u8fd9\u5bf9\u4e8e\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\u4e5f\u662f\u6709\u5fc5\u8981\u7684\uff0c\u6bd4\u5982\u6570\u636e\u538b\u7f29\u3002\u4f46\u662f\u5b83 \u4e0d\u4f1a\u5e26\u6765\u4efb\u4f55\u6027\u80fd\u6536\u76ca\u3002\u4f60\u4e0d\u60f3\u8ba9\u6bcf\u5f20\u8868\u4e00\u4e2a\u6587\u4ef6\u7684\u4e3b\u8981\u573a\u666f\u662f\uff1a\u6709\u975e\u5e38\u591a\u7684\u8868\uff08\u6bd4\u598210k+\uff09\u3002<\/p>\n<p>\u3000\u3000MySQL 5.6\u4e2d\uff0c\u8fd9\u4e2a\u5c5e\u6027\u9ed8\u8ba4\u503c\u662fON\uff0c\u56e0\u6b64\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u4f60\u4ec0\u4e48\u90fd\u4e0d\u9700\u8981\u505a\u3002\u5bf9\u4e8e\u4e4b\u524d\u7684\u7248\u672c\u4f60\u5fc5\u9700\u5728\u52a0\u8f7d\u6570\u636e\u4e4b\u524d\u5c06\u8fd9\u4e2a\u5c5e\u6027\u8bbe\u7f6e\u4e3aON\uff0c\u56e0\u4e3a\u5b83\u53ea\u5bf9\u65b0\u521b\u5efa\u7684\u8868\u6709\u5f71\u54cd\u3002<\/p>\n<p><strong>\u3000\u3000innodb_flush_log_at_trx_commit<\/strong>\uff1a \u9ed8\u8ba4\u503c\u4e3a1\uff0c\u8868\u793aInnoDB\u5b8c\u5168\u652f\u6301ACID\u7279\u6027\u3002\u5f53\u4f60\u7684\u4e3b\u8981\u5173\u6ce8\u70b9\u662f\u6570\u636e\u5b89\u5168\u7684\u65f6\u5019\u8fd9\u4e2a\u503c\u662f\u6700\u5408\u9002\u7684\uff0c\u6bd4\u5982\u5728\u4e00\u4e2a\u4e3b\u8282\u70b9\u4e0a\u3002\u4f46\u662f\u5bf9\u4e8e\u78c1\u76d8\uff08\u8bfb\u5199\uff09\u901f\u5ea6 \u8f83\u6162\u7684\u7cfb\u7edf\uff0c\u5b83\u4f1a\u5e26\u6765\u5f88\u5de8\u5927\u7684\u5f00\u9500\uff0c\u56e0\u4e3a\u6bcf\u6b21\u5c06\u6539\u53d8flush\u5230redo\u65e5\u5fd7\u90fd\u9700\u8981\u989d\u5916\u7684fsyncs\u3002\u5c06\u5b83\u7684\u503c\u8bbe\u7f6e\u4e3a2\u4f1a\u5bfc\u81f4\u4e0d\u592a\u53ef\u9760 \uff08reliable\uff09\u56e0\u4e3a\u63d0\u4ea4\u7684\u4e8b\u52a1\u4ec5\u4ec5\u6bcf\u79d2\u624dflush\u4e00\u6b21\u5230redo\u65e5\u5fd7\uff0c\u4f46\u5bf9\u4e8e\u4e00\u4e9b\u573a\u666f\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\uff0c\u6bd4\u5982\u5bf9\u4e8e\u4e3b\u8282\u70b9\u7684\u5907\u4efd\u8282\u70b9\u8fd9\u4e2a\u503c\u662f\u53ef\u4ee5\u63a5\u53d7 \u7684\u3002\u5982\u679c\u503c\u4e3a0\u901f\u5ea6\u5c31\u66f4\u5feb\u4e86\uff0c\u4f46\u5728\u7cfb\u7edf\u5d29\u6e83\u65f6\u53ef\u80fd\u4e22\u5931\u4e00\u4e9b\u6570\u636e\uff1a\u53ea\u9002\u7528\u4e8e\u5907\u4efd\u8282\u70b9\u3002<\/p>\n<p><strong>\u3000\u3000innodb_flush_method<\/strong>: \u8fd9\u9879\u914d\u7f6e\u51b3\u5b9a\u4e86\u6570\u636e\u548c\u65e5\u5fd7\u5199\u5165\u786c\u76d8\u7684\u65b9\u5f0f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u6709\u786c\u4ef6RAID\u63a7\u5236\u5668\uff0c\u5e76\u4e14\u5176\u72ec\u7acb\u7f13\u5b58\u91c7\u7528write-back\u673a\u5236\uff0c\u5e76\u6709\u7740\u7535\u6c60\u65ad\u7535\u4fdd\u62a4\uff0c\u90a3 \u4e48\u5e94\u8be5\u8bbe\u7f6e\u914d\u7f6e\u4e3aO_DIRECT\uff1b\u5426\u5219\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u5e94\u5c06\u5176\u8bbe\u4e3afdatasync\uff08\u9ed8\u8ba4\u503c\uff09\u3002sysbench\u662f\u4e00\u4e2a\u53ef\u4ee5\u5e2e\u52a9\u4f60\u51b3\u5b9a\u8fd9\u4e2a\u9009\u9879\u7684\u597d\u5de5 \u5177\u3002<\/p>\n<p><strong>\u3000\u3000innodb_log_buffer_size<\/strong>: \u8fd9\u9879\u914d\u7f6e\u51b3\u5b9a\u4e86\u4e3a\u5c1a\u672a\u6267\u884c\u7684\u4e8b\u52a1\u5206\u914d\u7684\u7f13\u5b58\u3002\u5176\u9ed8\u8ba4\u503c\uff081MB\uff09\u4e00\u822c\u6765\u8bf4\u5df2\u7ecf\u591f\u7528\u4e86\uff0c\u4f46\u662f\u5982\u679c\u4f60\u7684\u4e8b\u52a1\u4e2d\u5305\u542b\u6709\u4e8c\u8fdb\u5236\u5927\u5bf9\u8c61\u6216\u8005\u5927\u6587\u672c\u5b57\u6bb5\u7684\u8bdd\uff0c\u8fd9\u70b9\u7f13\u5b58 \u5f88\u5feb\u5c31\u4f1a\u88ab\u586b\u6ee1\u5e76\u89e6\u53d1\u989d\u5916\u7684I\/O\u64cd\u4f5c\u3002\u770b\u770bInnodb_log_waits\u72b6\u6001\u53d8\u91cf\uff0c\u5982\u679c\u5b83\u4e0d\u662f0\uff0c\u589e\u52a0 innodb_log_buffer_size\u3002<\/p>\n<h2>\u3000\u5176\u4ed6\u8bbe\u7f6e<\/h2>\n<p><strong>\u3000\u3000query_cache_size<\/strong>: query cache\uff08\u67e5\u8be2\u7f13\u5b58\uff09\u662f\u4e00\u4e2a\u4f17\u6240\u5468\u77e5\u7684\u74f6\u9888\uff0c\u751a\u81f3\u5728\u5e76\u53d1\u5e76\u4e0d\u591a\u7684\u65f6\u5019\u4e5f\u662f\u5982\u6b64\u3002 \u6700\u4f73\u9009\u9879\u662f\u5c06\u5176\u4ece\u4e00\u5f00\u59cb\u5c31\u505c\u7528\uff0c\u8bbe\u7f6equery_cache_size = 0\uff08\u73b0\u5728MySQL 5.6\u7684\u9ed8\u8ba4\u503c\uff09\u5e76\u5229\u7528\u5176\u4ed6\u65b9\u6cd5\u52a0\u901f\u67e5\u8be2\uff1a\u4f18\u5316\u7d22\u5f15\u3001\u589e\u52a0\u62f7\u8d1d\u5206\u6563\u8d1f\u8f7d\u6216\u8005\u542f\u7528\u989d\u5916\u7684\u7f13\u5b58\uff08\u6bd4\u5982memcache\u6216redis\uff09\u3002\u5982\u679c\u4f60\u5df2\u7ecf\u4e3a\u4f60\u7684\u5e94\u7528\u542f \u7528\u4e86query cache\u5e76\u4e14\u8fd8\u6ca1\u6709\u53d1\u73b0\u4efb\u4f55\u95ee\u9898\uff0cquery cache\u53ef\u80fd\u5bf9\u4f60\u6709\u7528\u3002\u8fd9\u662f\u5982\u679c\u4f60\u60f3\u505c\u7528\u5b83\uff0c\u90a3\u5c31\u5f97\u5c0f\u5fc3\u4e86\u3002<\/p>\n<p><strong>\u3000\u3000log_bin\uff1a<\/strong>\u5982 \u679c\u4f60\u60f3\u8ba9\u6570\u636e\u5e93\u670d\u52a1\u5668\u5145\u5f53\u4e3b\u8282\u70b9\u7684\u5907\u4efd\u8282\u70b9\uff0c\u90a3\u4e48\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\u662f\u5fc5\u987b\u7684\u3002\u5982\u679c\u8fd9\u4e48\u505a\u4e86\u4e4b\u540e\uff0c\u8fd8\u522b\u5fd8\u4e86\u8bbe\u7f6eserver_id\u4e3a\u4e00\u4e2a\u552f\u4e00\u7684\u503c\u3002\u5c31\u7b97\u53ea\u6709\u4e00 \u4e2a\u670d\u52a1\u5668\uff0c\u5982\u679c\u4f60\u60f3\u505a\u57fa\u4e8e\u65f6\u95f4\u70b9\u7684\u6570\u636e\u6062\u590d\uff0c\u8fd9\uff08\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u4e5f\u662f\u5f88\u6709\u7528\u7684\uff1a\u4ece\u4f60\u6700\u8fd1\u7684\u5907\u4efd\u4e2d\u6062\u590d\uff08\u5168\u91cf\u5907\u4efd\uff09\uff0c\u5e76\u5e94\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e2d\u7684\u4fee\u6539\uff08\u589e\u91cf\u5907 \u4efd\uff09\u3002\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e00\u65e6\u521b\u5efa\u5c31\u5c06\u6c38\u4e45\u4fdd\u5b58\u3002\u6240\u4ee5\u5982\u679c\u4f60\u4e0d\u60f3\u8ba9\u78c1\u76d8\u7a7a\u95f4\u8017\u5c3d\uff0c\u4f60\u53ef\u4ee5\u7528PURGE\u00a0BINARY\u00a0LOGS<\/p>\n<p>\u6765\u6e05\u9664\u65e7\u6587\u4ef6\uff0c\u6216\u8005\u8bbe\u7f6e\u00a0<strong>expire_logs_days<\/strong>\u00a0\u6765\u6307\u5b9a\u8fc7\u591a\u5c11\u5929\u65e5\u5fd7\u5c06\u88ab\u81ea\u52a8\u6e05\u9664\u3002<\/p>\n<p>\u3000\u3000\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e0d\u662f\u6ca1\u6709\u5f00\u9500\u7684\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u5728\u4e00\u4e2a\u975e\u4e3b\u8282\u70b9\u7684\u590d\u5236\u8282\u70b9\u4e0a\u4e0d\u9700\u8981\u5b83\u7684\u8bdd\uff0c\u90a3\u4e48\u5efa\u8bae\u5173\u95ed\u8fd9\u4e2a\u9009\u9879\u3002<\/p>\n<p><strong>\u3000\u3000skip_name_resolve\uff1a<\/strong>\u5f53\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\u636e\u5e93\u670d\u52a1\u5668\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u8fdb\u884c\u4e3b\u673a\u540d\u89e3\u6790\uff0c\u5e76\u4e14\u5f53DNS\u5f88\u6162\u65f6\uff0c\u5efa\u7acb\u8fde\u63a5\u4e5f\u4f1a\u5f88\u6162\u3002\u56e0\u6b64\u5efa\u8bae\u5728\u542f\u52a8\u670d\u52a1\u5668\u65f6\u5173\u95ed<strong>skip_name_resolve<\/strong>\u9009\u9879\u800c\u4e0d\u8fdb\u884cDNS\u67e5\u627e\u3002\u552f\u4e00\u7684\u5c40\u9650\u662f\u4e4b\u540e<strong>GRANT<\/strong>\u8bed\u53e5\u4e2d\u53ea\u80fd\u4f7f\u7528IP\u5730\u5740\u4e86\uff0c\u56e0\u6b64\u5728\u6dfb\u52a0\u8fd9\u9879\u8bbe\u7f6e\u5230\u4e00\u4e2a\u5df2\u6709\u7cfb\u7edf\u4e2d\u5fc5\u987b\u683c\u5916\u5c0f\u5fc3\u3002<\/p>\n<h2>\u3000\u603b\u7ed3<\/h2>\n<p>\u3000 \u3000\u5f53\u7136\u8fd8\u6709\u5176\u4ed6\u7684\u8bbe\u7f6e\u53ef\u4ee5\u8d77\u4f5c\u7528\uff0c\u53d6\u51b3\u4e8e\u4f60\u7684\u8d1f\u8f7d\u6216\u786c\u4ef6\uff1a\u5728\u6162\u5185\u5b58\u548c\u5feb\u78c1\u76d8\u3001\u9ad8\u5e76\u53d1\u548c\u5199\u5bc6\u96c6\u578b\u8d1f\u8f7d\u60c5\u51b5\u4e0b\uff0c\u4f60\u5c06\u9700\u8981\u7279\u6b8a\u7684\u8c03\u6574\u3002\u7136\u800c\u8fd9\u91cc\u7684\u76ee\u6807\u662f\u4f7f\u5f97\u4f60\u53ef \u4ee5\u5feb\u901f\u5730\u83b7\u5f97\u4e00\u4e2a\u7a33\u5065\u7684MySQL\u914d\u7f6e\uff0c\u800c\u4e0d\u7528\u82b1\u8d39\u592a\u591a\u65f6\u95f4\u5728\u8c03\u6574\u4e00\u4e9b\u65e0\u5173\u7d27\u8981\u7684MySQL\u8bbe\u7f6e\u6216\u8bfb\u6587\u6863\u627e\u51fa\u54ea\u4e9b\u8bbe\u7f6e\u5bf9\u4f60\u6765\u8bf4\u5f88\u91cd\u8981\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6211\u4eec\u88ab\u4eba\u96c7\u6765\u76d1\u6d4bMySQL\u6027\u80fd\u65f6\uff0c\u4eba\u4eec\u5e0c\u671b\u6211\u4eec\u80fd\u591f\u68c0\u89c6\u4e00\u4e0bMySQL\u914d\u7f6e\u7136\u540e\u7ed9\u51fa\u4e00\u4e9b\u63d0\u9ad8\u5efa\u8bae\u3002\u8bb8\u591a\u4eba\u5728\u4e8b\u540e\u90fd &#8230; <a title=\"\u5b89\u88c5\u5b8c MySQL \u540e\u5fc5\u987b\u8c03\u6574\u7684 10 \u9879\u914d\u7f6e\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/jishu\/shujuku\/%e5%ae%89%e8%a3%85%e5%ae%8c-mysql-%e5%90%8e%e5%bf%85%e9%a1%bb%e8%b0%83%e6%95%b4%e7%9a%84-10-%e9%a1%b9%e9%85%8d%e7%bd%ae\/\" aria-label=\"\u9605\u8bfb \u5b89\u88c5\u5b8c MySQL \u540e\u5fc5\u987b\u8c03\u6574\u7684 10 \u9879\u914d\u7f6e\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-398","post","type-post","status-publish","format-standard","hentry","category-shujuku"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=398"}],"version-history":[{"count":3,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/398\/revisions"}],"predecessor-version":[{"id":401,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/398\/revisions\/401"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}