{"id":75778,"date":"2024-10-16T01:09:16","date_gmt":"2024-10-15T17:09:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75778\/"},"modified":"2024-10-16T01:09:16","modified_gmt":"2024-10-15T17:09:16","slug":"mysql-%e5%8f%83%e6%95%b8%e8%a8%ad%e7%bd%ae%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%93%b6%e9%a0%b8%e6%95%88%e6%87%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75778\/","title":{"rendered":"MySQL \u53c3\u6578\u8a2d\u7f6e\u5982\u4f55\u89e3\u6c7a\u74f6\u9838\u6548\u61c9\uff1f"},"content":{"rendered":"<h1 id=\"mysql-%e5%8f%83%e6%95%b8%e8%a8%ad%e7%bd%ae%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%93%b6%e9%a0%b8%e6%95%88%e6%87%89%ef%bc%9f-PQbfVPVDqk\">MySQL \u53c3\u6578\u8a2d\u7f6e\u5982\u4f55\u89e3\u6c7a\u74f6\u9838\u6548\u61c9\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0cMySQL \u53ef\u80fd\u6703\u51fa\u73fe\u6027\u80fd\u74f6\u9838\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u8abf\u6574 MySQL \u7684\u53c3\u6578\u8a2d\u7f6e\u4f86\u89e3\u6c7a\u9019\u4e9b\u74f6\u9838\u6548\u61c9\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%93%b6%e9%a0%b8%e6%95%88%e6%87%89%ef%bc%9f-PQbfVPVDqk\">\u4ec0\u9ebc\u662f\u74f6\u9838\u6548\u61c9\uff1f<\/h2>\n<p>\u74f6\u9838\u6548\u61c9\u662f\u6307\u7cfb\u7d71\u4e2d\u67d0\u4e00\u90e8\u5206\u7684\u6027\u80fd\u9650\u5236\u5c0e\u81f4\u6574\u9ad4\u6027\u80fd\u4e0b\u964d\u7684\u73fe\u8c61\u3002\u5728 MySQL \u4e2d\uff0c\u9019\u53ef\u80fd\u8868\u73fe\u70ba\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u3001\u97ff\u61c9\u6642\u9593\u5ef6\u9577\u6216\u7cfb\u7d71\u8cc7\u6e90\u7684\u904e\u5ea6\u4f7f\u7528\u3002\u8b58\u5225\u548c\u89e3\u6c7a\u9019\u4e9b\u74f6\u9838\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84-mysql-%e7%93%b6%e9%a0%b8%e5%8f%8a%e5%85%b6%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-PQbfVPVDqk\">\u5e38\u898b\u7684 MySQL \u74f6\u9838\u53ca\u5176\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e8%a8%98%e6%86%b6%e9%ab%94%e4%b8%8d%e8%b6%b3-PQbfVPVDqk\">1. \u8a18\u61b6\u9ad4\u4e0d\u8db3<\/h3>\n<p>MySQL \u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4f9d\u8cf4\u65bc\u53ef\u7528\u7684\u8a18\u61b6\u9ad4\u3002\u5982\u679c\u7cfb\u7d71\u7684\u8a18\u61b6\u9ad4\u4e0d\u8db3\uff0cMySQL \u53ef\u80fd\u6703\u983b\u7e41\u5730\u4f7f\u7528\u78c1\u789f\uff0c\u9019\u6703\u986f\u8457\u964d\u4f4e\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u4ee5\u4e0b\u53c3\u6578\u4f86\u6539\u5584\u8a18\u61b6\u9ad4\u4f7f\u7528\uff1a<\/p>\n<ul>\n<li><code>innodb_buffer_pool_size<\/code>: \u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86 InnoDB \u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u8a18\u61b6\u9ad4\u5927\u5c0f\u3002\u901a\u5e38\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u8a18\u61b6\u9ad4\u7684 70-80%\u3002<\/li>\n<li><code>key_buffer_size<\/code>: \u5c0d\u65bc MyISAM \u5b58\u5132\u5f15\u64ce\uff0c\u9019\u500b\u53c3\u6578\u63a7\u5236\u7d22\u5f15\u7de9\u5b58\u7684\u5927\u5c0f\u3002\u5c0d\u65bc\u4f7f\u7528 MyISAM \u7684\u6578\u64da\u5eab\uff0c\u61c9\u6839\u64da\u6578\u64da\u91cf\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-PQbfVPVDqk\">2. \u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ff MySQL \u6574\u9ad4\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u56e0\u7d20\u3002\u512a\u5316\u67e5\u8a62\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u57f7\u884c\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u78ba\u4fdd\u5c0d\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u907f\u514d SELECT *\uff1a\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u4f7f\u7528 EXPLAIN\uff1a\u901a\u904e EXPLAIN \u8a9e\u53e5\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u554f\u984c\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e9%80%a3%e6%8e%a5%e6%95%b8%e9%87%8f%e9%99%90%e5%88%b6-PQbfVPVDqk\">3. \u9023\u63a5\u6578\u91cf\u9650\u5236<\/h3>\n<p>\u7576\u540c\u6642\u9023\u63a5\u5230 MySQL \u7684\u7528\u6236\u6578\u91cf\u8d85\u904e\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0c\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u4ee5\u4e0b\u53c3\u6578\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><code>max_connections<\/code>: \u6b64\u53c3\u6578\u63a7\u5236\u540c\u6642\u9023\u63a5\u7684\u6700\u5927\u6578\u91cf\u3002\u6839\u64da\u61c9\u7528\u9700\u6c42\u8abf\u6574\u6b64\u503c\u3002<\/li>\n<li><code>wait_timeout<\/code>: \u8a2d\u7f6e\u9023\u63a5\u7684\u8d85\u6642\u6642\u9593\uff0c\u904e\u9577\u7684\u8d85\u6642\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-PQbfVPVDqk\">\u76e3\u63a7\u548c\u8abf\u6574<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5730\u89e3\u6c7a\u74f6\u9838\u6548\u61c9\uff0c\u6301\u7e8c\u76e3\u63a7 MySQL \u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 MySQL Workbench\u3001Percona Monitoring and Management \u6216\u5176\u4ed6\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e64\u6027\u80fd\u6307\u6a19\u3002\u6839\u64da\u76e3\u63a7\u6578\u64da\uff0c\u5b9a\u671f\u8abf\u6574\u53c3\u6578\u8a2d\u7f6e\uff0c\u4ee5\u9069\u61c9\u4e0d\u65b7\u8b8a\u5316\u7684\u5de5\u4f5c\u8ca0\u8f09\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-PQbfVPVDqk\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5408\u7406\u7684 MySQL \u53c3\u6578\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\u554f\u984c\u3002\u8a18\u61b6\u9ad4\u7ba1\u7406\u3001\u67e5\u8a62\u512a\u5316\u548c\u9023\u63a5\u6578\u91cf\u63a7\u5236\u662f\u95dc\u9375\u56e0\u7d20\u3002\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u8abf\u6574\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u901a\u904e\u8abf\u6574MySQL\u53c3\u6578\u8a2d\u7f6e\u4f86\u89e3\u6c7a\u74f6\u9838\u6548\u61c9\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75778","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75778","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75778"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75778\/revisions"}],"predecessor-version":[{"id":75779,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75778\/revisions\/75779"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}