{"id":195703,"date":"2024-11-13T17:12:19","date_gmt":"2024-11-13T09:12:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195703\/"},"modified":"2024-11-13T17:12:20","modified_gmt":"2024-11-13T09:12:20","slug":"%e5%9c%a8-linux-%e4%b8%ad%e7%9b%a3%e6%8e%a7-mysql-%e6%80%a7%e8%83%bd%e7%9a%84%e5%9b%9b%e5%80%8b%e6%9c%89%e7%94%a8%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195703\/","title":{"rendered":"\u5728 Linux \u4e2d\u76e3\u63a7 MySQL \u6027\u80fd\u7684\u56db\u500b\u6709\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177"},"content":{"rendered":"

\u5728 Linux \u4e2d\u76e3\u63a7 MySQL \u6027\u80fd\u7684\u56db\u500b\u6709\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177<\/h1>\n

MySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u4f9d\u8cf4\u5b83\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u76e3\u63a7 MySQL \u7684\u6027\u80fd\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u56db\u500b\u5728 Linux \u74b0\u5883\u4e2d\u76e3\u63a7 MySQL \u6027\u80fd\u7684\u6709\u7528\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u5176\u6578\u64da\u5eab\u3002<\/p>\n

1. MySQLTuner<\/h2>\n

MySQLTuner \u662f\u4e00\u500b Perl \u8173\u672c\uff0c\u65e8\u5728\u5e6b\u52a9\u7528\u6236\u8a55\u4f30 MySQL \u7684\u6027\u80fd\u4e26\u63d0\u4f9b\u512a\u5316\u5efa\u8b70\u3002\u5b83\u6703\u5206\u6790 MySQL \u7684\u914d\u7f6e\u548c\u904b\u884c\u72c0\u614b\uff0c\u4e26\u751f\u6210\u4e00\u4efd\u5831\u544a\uff0c\u6307\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n

perl mysqltuner.pl<\/code><\/pre>\n
\u4f7f\u7528 MySQLTuner \u6642\uff0c\u7528\u6236\u53ea\u9700\u5728\u547d\u4ee4\u884c\u4e2d\u904b\u884c\u4e0a\u8ff0\u547d\u4ee4\uff0c\u7136\u5f8c\u6839\u64da\u5831\u544a\u4e2d\u7684\u5efa\u8b70\u9032\u884c\u8abf\u6574\u3002\u9019\u4e9b\u5efa\u8b70\u53ef\u80fd\u5305\u62ec\u8abf\u6574\u7de9\u885d\u5340\u5927\u5c0f\u3001\u67e5\u8a62\u7de9\u5b58\u8a2d\u7f6e\u7b49\u3002<\/p>\n
2. pt-query-digest<\/h2>\n
pt-query-digest \u662f Percona Toolkit \u4e2d\u7684\u4e00\u500b\u5de5\u5177\uff0c\u7528\u65bc\u5206\u6790 MySQL \u7684\u67e5\u8a62\u65e5\u8a8c\u3002\u5b83\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6700\u8017\u6642\u7684\u67e5\u8a62\uff0c\u5f9e\u800c\u9032\u884c\u512a\u5316\u3002<\/p>\n
pt-query-digest \/var\/log\/mysql\/mysql-slow.log<\/code><\/pre>\n
\u901a\u904e\u904b\u884c\u4e0a\u8ff0\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u7372\u5f97\u4e00\u4efd\u8a73\u7d30\u7684\u67e5\u8a62\u5206\u6790\u5831\u544a\uff0c\u986f\u793a\u54ea\u4e9b\u67e5\u8a62\u6700\u5e38\u57f7\u884c\u3001\u57f7\u884c\u6642\u9593\u6700\u9577\uff0c\u4e26\u63d0\u4f9b\u512a\u5316\u5efa\u8b70\u3002<\/p>\n
3. MySQL Performance Schema<\/h2>\n
MySQL Performance Schema \u662f MySQL \u5167\u5efa\u7684\u4e00\u500b\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u4f9b\u6709\u95dc\u6578\u64da\u5eab\u6027\u80fd\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62 Performance Schema \u4e2d\u7684\u8868\u4f86\u7372\u53d6\u5404\u7a2e\u6027\u80fd\u6307\u6a19\u3002<\/p>\n
SELECT * FROM performance_schema.events_statements_summary_by_digest;<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6309\u67e5\u8a62\u6458\u8981\u5206\u7d44\u7684\u57f7\u884c\u7d71\u8a08\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u54ea\u4e9b\u67e5\u8a62\u6700\u5e38\u898b\u4ee5\u53ca\u5b83\u5011\u7684\u6027\u80fd\u8868\u73fe\u3002<\/p>\n
4. iostat<\/h2>\n
iostat \u662f\u4e00\u500b\u7528\u65bc\u76e3\u63a7\u7cfb\u7d71 I\/O \u6027\u80fd\u7684\u5de5\u5177\uff0c\u96d6\u7136\u5b83\u4e0d\u662f\u5c08\u9580\u91dd\u5c0d MySQL \u7684\uff0c\u4f46\u5b83\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u78c1\u789f I\/O \u7684\u6027\u80fd\uff0c\u9019\u5c0d\u65bc MySQL \u6578\u64da\u5eab\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
iostat -x 1<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u6bcf\u79d2\u986f\u793a\u4e00\u6b21\u78c1\u789f\u7684 I\/O \u6027\u80fd\u6307\u6a19\uff0c\u5305\u62ec\u8b80\u53d6\u548c\u5beb\u5165\u7684\u901f\u7387\u3002\u901a\u904e\u5206\u6790\u9019\u4e9b\u6578\u64da\uff0c\u7528\u6236\u53ef\u4ee5\u5224\u65b7\u662f\u5426\u9700\u8981\u5c0d\u78c1\u789f\u9032\u884c\u5347\u7d1a\u6216\u512a\u5316\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u76e3\u63a7 MySQL \u6027\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528 MySQLTuner<\/strong>\u3001pt-query-digest<\/strong>\u3001MySQL Performance Schema<\/strong> \u548c iostat<\/strong> \u7b49\u5de5\u5177\uff0c\u7528\u6236\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u6578\u64da\u5eab\u6027\u80fd\u7684\u6df1\u5165\u898b\u89e3\uff0c\u4e26\u6839\u64da\u5206\u6790\u7d50\u679c\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002\u9019\u4e9b\u5de5\u5177\u4e0d\u50c5\u80fd\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u9084\u80fd\u63d0\u4f9b\u5177\u9ad4\u7684\u6539\u9032\u5efa\u8b70\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u56db\u500b\u6709\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5728 Linux \u4e2d\u6709\u6548\u76e3\u63a7 MySQL \u6027\u80fd\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\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-195703","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195703","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=195703"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195703\/revisions"}],"predecessor-version":[{"id":195704,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195703\/revisions\/195704"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}