{"id":75664,"date":"2024-10-16T00:11:24","date_gmt":"2024-10-15T16:11:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75664\/"},"modified":"2024-10-16T00:11:25","modified_gmt":"2024-10-15T16:11:25","slug":"mysql-%e6%9c%80%e6%a8%b8%e7%b4%a0%e7%9a%84%e7%9b%a3%e6%8e%a7%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75664\/","title":{"rendered":"MySQL \u6700\u6a38\u7d20\u7684\u76e3\u63a7\u65b9\u5f0f"},"content":{"rendered":"<h1 id=\"mysql-%e6%9c%80%e6%a8%b8%e7%b4%a0%e7%9a%84%e7%9b%a3%e6%8e%a7%e6%96%b9%e5%bc%8f-JeEhzUZWjq\">MySQL \u6700\u6a38\u7d20\u7684\u76e3\u63a7\u65b9\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd MySQL \u6578\u64da\u5eab\u7684\u5065\u5eb7\u904b\u884c\uff0c\u76e3\u63a7\u5176\u6027\u80fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6700\u6a38\u7d20\u7684 MySQL \u76e3\u63a7\u65b9\u5f0f\uff0c\u5e6b\u52a9\u7528\u6236\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-mysql-%e8%87%aa%e5%b8%b6%e7%9a%84%e6%80%a7%e8%83%bd%e6%8c%87%e6%a8%99-JeEhzUZWjq\">1. \u4f7f\u7528 MySQL \u81ea\u5e36\u7684\u6027\u80fd\u6307\u6a19<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6307\u6a19\uff1a<\/p>\n<ul>\n<li><strong>Threads_connected<\/strong>: \u7576\u524d\u9023\u63a5\u5230 MySQL \u7684\u7dda\u7a0b\u6578\u91cf\u3002<\/li>\n<li><strong>Threads_running<\/strong>: \u7576\u524d\u6b63\u5728\u57f7\u884c\u7684\u7dda\u7a0b\u6578\u91cf\u3002<\/li>\n<li><strong>Slow_queries<\/strong>: \u57f7\u884c\u6642\u9593\u8d85\u904e\u8a2d\u5b9a\u95be\u503c\u7684\u67e5\u8a62\u6578\u91cf\u3002<\/li>\n<li><strong>Uptime<\/strong>: MySQL \u670d\u52d9\u5668\u904b\u884c\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u57f7\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\u9019\u4e9b\u6307\u6a19\uff1a<\/p>\n<pre><code>SHOW GLOBAL STATUS;<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-mysql-%e6%97%a5%e8%aa%8c-JeEhzUZWjq\">2. \u4f7f\u7528 MySQL \u65e5\u8a8c<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u65e5\u8a8c\u529f\u80fd\uff0c\u5305\u62ec\u932f\u8aa4\u65e5\u8a8c\u3001\u67e5\u8a62\u65e5\u8a8c\u548c\u6162\u67e5\u8a62\u65e5\u8a8c\u3002\u9019\u4e9b\u65e5\u8a8c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u8ffd\u8e64\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u6cc1\u548c\u6027\u80fd\u554f\u984c\u3002<\/p>\n<ul>\n<li><strong>\u932f\u8aa4\u65e5\u8a8c<\/strong>: \u8a18\u9304 MySQL \u670d\u52d9\u5668\u7684\u932f\u8aa4\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>\u67e5\u8a62\u65e5\u8a8c<\/strong>: \u8a18\u9304\u6240\u6709\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u4fbf\u65bc\u7528\u6236\u5206\u6790\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u6162\u67e5\u8a62\u65e5\u8a8c<\/strong>: \u8a18\u9304\u57f7\u884c\u6642\u9593\u8d85\u904e\u8a2d\u5b9a\u95be\u503c\u7684\u67e5\u8a62\uff0c\u5e6b\u52a9\u7528\u6236\u512a\u5316\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u8981\u555f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u53ef\u4ee5\u5728 MySQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>slow_query_log = 1\nlong_query_time = 2<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7-JeEhzUZWjq\">3. \u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177<\/h2>\n<p>\u9664\u4e86\u5167\u5efa\u7684\u6027\u80fd\u6307\u6a19\u548c\u65e5\u8a8c\uff0cMySQL \u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c<code>mysqladmin<\/code> \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u67e5\u770b MySQL \u7684\u72c0\u614b\u548c\u6027\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>mysqladmin<\/code> \u67e5\u770b MySQL \u72c0\u614b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysqladmin -u root -p status<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e7%ac%ac%e4%b8%89%e6%96%b9%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-JeEhzUZWjq\">4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177<\/h2>\n<p>\u96d6\u7136\u672c\u6587\u4e3b\u8981\u63a2\u8a0e\u6700\u6a38\u7d20\u7684\u76e3\u63a7\u65b9\u5f0f\uff0c\u4f46\u5728\u5be6\u969b\u904b\u7528\u4e2d\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5168\u9762\u7684\u76e3\u63a7\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5de5\u5177\u5982 <strong>Prometheus<\/strong> \u548c <strong>Grafana<\/strong> \u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u53ef\u8996\u5316 MySQL \u7684\u6027\u80fd\u6578\u64da\uff0c\u4e26\u8a2d\u7f6e\u544a\u8b66\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%aa%a2%e6%9f%a5%e5%92%8c%e7%b6%ad%e8%ad%b7-JeEhzUZWjq\">5. \u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77<\/h2>\n<p>\u9664\u4e86\u5be6\u6642\u76e3\u63a7\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u4e5f\u662f\u78ba\u4fdd MySQL \u6578\u64da\u5eab\u7a69\u5b9a\u904b\u884c\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u7528\u6236\u61c9\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u512a\u5316\u548c\u8abf\u6574\u3002<\/p>\n<h3 id=\"%e7%b5%90%e8%ab%96-JeEhzUZWjq\">\u7d50\u8ad6<\/h3>\n<p>MySQL \u7684\u76e3\u63a7\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528\u5167\u5efa\u7684\u6027\u80fd\u6307\u6a19\u3001\u65e5\u8a8c\u3001\u547d\u4ee4\u884c\u5de5\u5177\u4ee5\u53ca\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u76e3\u63a7 MySQL \u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u6cc1\u3002\u5b9a\u671f\u7684\u6aa2\u67e5\u548c\u7dad\u8b77\u4e5f\u80fd\u9032\u4e00\u6b65\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 MySQL \u6700\u6a38\u7d20\u7684\u76e3\u63a7\u65b9\u5f0f\uff0c\u7c21\u55ae\u6709\u6548\u7684\u65b9\u6cd5\u5e6b\u52a9\u60a8\u5373\u6642\u638c\u63e1\u6578\u64da\u5eab\u6027\u80fd\u8207\u5065\u5eb7\u72c0\u614b\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-75664","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75664","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=75664"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75664\/revisions"}],"predecessor-version":[{"id":75665,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75664\/revisions\/75665"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}