{"id":161103,"date":"2024-11-04T03:38:21","date_gmt":"2024-11-03T19:38:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161103\/"},"modified":"2024-11-04T03:38:22","modified_gmt":"2024-11-03T19:38:22","slug":"%e7%8d%b2%e5%be%97-mysql-%e9%81%8b%e8%a1%8c%e5%a0%b1%e5%91%8a%ef%bc%8c%e4%b8%a6%e4%b8%8d%e9%9b%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161103\/","title":{"rendered":"\u7372\u5f97 MySQL \u904b\u884c\u5831\u544a\uff0c\u4e26\u4e0d\u96e3"},"content":{"rendered":"<h1 id=\"%e7%8d%b2%e5%be%97-mysql-%e9%81%8b%e8%a1%8c%e5%a0%b1%e5%91%8a%ef%bc%8c%e4%b8%a6%e4%b8%8d%e9%9b%a3-KbHUdvgymx\">\u7372\u5f97 MySQL \u904b\u884c\u5831\u544a\uff0c\u4e26\u4e0d\u96e3<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u76e3\u63a7\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u751f\u6210\u904b\u884c\u5831\u544a\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5065\u5eb7\u72c0\u6cc1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8f15\u9b06\u7372\u5f97 MySQL \u7684\u904b\u884c\u5831\u544a\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81-mysql-%e9%81%8b%e8%a1%8c%e5%a0%b1%e5%91%8a%ef%bc%9f-KbHUdvgymx\">\u70ba\u4ec0\u9ebc\u9700\u8981 MySQL \u904b\u884c\u5831\u544a\uff1f<\/h2>\n<p>MySQL \u904b\u884c\u5831\u544a\u80fd\u5920\u63d0\u4f9b\u95dc\u65bc\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u6307\u6a19\uff0c\u5305\u62ec\u67e5\u8a62\u57f7\u884c\u6642\u9593\u3001\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u3001\u932f\u8aa4\u65e5\u8a8c\u7b49\u3002\u9019\u4e9b\u5831\u544a\u4e0d\u50c5\u6709\u52a9\u65bc\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u9084\u80fd\u5e6b\u52a9\u7ba1\u7406\u54e1\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u512a\u5316\u6578\u64da\u5eab\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%94%9f%e6%88%90-mysql-%e9%81%8b%e8%a1%8c%e5%a0%b1%e5%91%8a-KbHUdvgymx\">\u5982\u4f55\u751f\u6210 MySQL \u904b\u884c\u5831\u544a<\/h2>\n<p>\u751f\u6210 MySQL \u904b\u884c\u5831\u544a\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-mysql-%e7%9a%84%e5%85%a7%e5%bb%ba%e5%91%bd%e4%bb%a4-KbHUdvgymx\">1. \u4f7f\u7528 MySQL \u7684\u5167\u5efa\u547d\u4ee4<\/h3>\n<p>MySQL \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u904b\u884c\u5831\u544a\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>SHOW STATUS<\/code> \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW STATUS;\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u7cfb\u5217\u7684\u72c0\u614b\u8b8a\u91cf\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7576\u524d\u72c0\u614b\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%80%a7%e8%83%bd%e6%a8%a1%e5%bc%8f%ef%bc%88performance-schema%ef%bc%89-KbHUdvgymx\">2. \u4f7f\u7528\u6027\u80fd\u6a21\u5f0f\uff08Performance Schema\uff09<\/h3>\n<p>MySQL \u7684\u6027\u80fd\u6a21\u5f0f\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u6536\u96c6\u548c\u5206\u6790\u6578\u64da\u5eab\u7684\u6027\u80fd\u6578\u64da\u3002\u555f\u7528\u6027\u80fd\u6a21\u5f0f\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6027\u80fd\u5831\u544a\uff1a<\/p>\n<pre><code>SELECT * FROM performance_schema.events_statements_summary_by_digest;\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u5404\u7a2e SQL \u8a9e\u53e5\u7684\u57f7\u884c\u7d71\u8a08\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6700\u8017\u6642\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%ac%ac%e4%b8%89%e6%96%b9%e5%b7%a5%e5%85%b7-KbHUdvgymx\">3. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177<\/h3>\n<p>\u9664\u4e86\u5167\u5efa\u7684\u547d\u4ee4\u548c\u6027\u80fd\u6a21\u5f0f\uff0c\u9084\u6709\u8a31\u591a\u7b2c\u4e09\u65b9\u5de5\u5177\u53ef\u4ee5\u7528\u4f86\u751f\u6210 MySQL \u904b\u884c\u5831\u544a\u3002\u4f8b\u5982\uff0c<a href=\"https:\/\/www.percona.com\/software\/database-tools\/percona-monitoring-and-management\" rel=\"nofollow noopener\" target=\"_blank\">Percona Monitoring and Management<\/a> \u662f\u4e00\u500b\u958b\u6e90\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u4f9b\u8a73\u7d30\u7684\u6027\u80fd\u5831\u544a\u548c\u53ef\u8996\u5316\u754c\u9762\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%9c%9f%e7%94%9f%e6%88%90%e5%a0%b1%e5%91%8a%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-KbHUdvgymx\">\u5b9a\u671f\u751f\u6210\u5831\u544a\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5b9a\u671f\u751f\u6210 MySQL \u904b\u884c\u5831\u544a\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002\u5efa\u8b70\u7528\u6236\u8a2d\u7f6e\u81ea\u52d5\u5316\u7684\u5831\u544a\u751f\u6210\u6a5f\u5236\uff0c\u4f8b\u5982\u4f7f\u7528\u8a08\u5283\u4efb\u52d9\uff08cron jobs\uff09\u4f86\u5b9a\u671f\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u767c\u9001\u5230\u7ba1\u7406\u54e1\u7684\u90f5\u7bb1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KbHUdvgymx\">\u7d50\u8ad6<\/h2>\n<p>\u7372\u5f97 MySQL \u7684\u904b\u884c\u5831\u544a\u4e26\u4e0d\u96e3\uff0c\u901a\u904e\u4f7f\u7528\u5167\u5efa\u547d\u4ee4\u3001\u6027\u80fd\u6a21\u5f0f\u6216\u7b2c\u4e09\u65b9\u5de5\u5177\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6709\u95dc\u6578\u64da\u5eab\u6027\u80fd\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u9019\u4e9b\u5831\u544a\u4e0d\u50c5\u6709\u52a9\u65bc\u65e5\u5e38\u76e3\u63a7\uff0c\u9084\u80fd\u5728\u51fa\u73fe\u554f\u984c\u6642\u63d0\u4f9b\u5bf6\u8cb4\u7684\u6578\u64da\u652f\u6301\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5b9a\u671f\u751f\u6210\u548c\u5206\u6790\u9019\u4e9b\u5831\u544a\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684 MySQL \u6578\u64da\u5eab\u548c\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7372\u5f97 MySQL \u904b\u884c\u5831\u544a\u4e26\u4e0d\u96e3\uff0c\u8f15\u9b06\u638c\u63e1\u6578\u64da\u6027\u80fd\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u52a9\u60a8\u505a\u51fa\u660e\u667a\u6c7a\u7b56\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-161103","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161103","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=161103"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161103\/revisions"}],"predecessor-version":[{"id":161104,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161103\/revisions\/161104"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}