{"id":189530,"date":"2024-11-12T08:34:21","date_gmt":"2024-11-12T00:34:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189530\/"},"modified":"2024-11-12T08:34:23","modified_gmt":"2024-11-12T00:34:23","slug":"%e5%9c%96%e6%96%87%e7%b5%90%e5%90%88%e5%b8%b6%e4%bd%a0%e6%90%9e%e6%87%82mysql%e6%97%a5%e8%aa%8c%e4%b9%8bslow-query-log%ef%bc%88%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189530\/","title":{"rendered":"\u5716\u6587\u7d50\u5408\u5e36\u4f60\u641e\u61c2MySQL\u65e5\u8a8c\u4e4bSlow Query Log\uff08\u6162\u67e5\u8a62\u65e5\u8a8c\uff09"},"content":{"rendered":"<h1 id=\"%e5%9c%96%e6%96%87%e7%b5%90%e5%90%88%e5%b8%b6%e4%bd%a0%e6%90%9e%e6%87%82mysql%e6%97%a5%e8%aa%8c%e4%b9%8bslow-query-log%ef%bc%88%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%89-dNaoSdTfam\">\u5716\u6587\u7d50\u5408\u5e36\u4f60\u641e\u61c2MySQL\u65e5\u8a8c\u4e4bSlow Query Log\uff08\u6162\u67e5\u8a62\u65e5\u8a8c\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6027\u80fd\u512a\u5316\u662f\u6bcf\u4f4d\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u9762\u5c0d\u7684\u91cd\u8981\u8ab2\u984c\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u548c\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002\u5176\u4e2d\uff0c<strong>\u6162\u67e5\u8a62\u65e5\u8a8c\uff08Slow Query Log\uff09<\/strong>\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u548c\u5206\u6790\u57f7\u884c\u6642\u9593\u904e\u9577\u7684\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6162\u67e5\u8a62\u65e5\u8a8c\u7684\u6982\u5ff5\u3001\u914d\u7f6e\u65b9\u6cd5\u53ca\u5176\u5728\u6027\u80fd\u512a\u5316\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%9f-dNaoSdTfam\">\u4ec0\u9ebc\u662f\u6162\u67e5\u8a62\u65e5\u8a8c\uff1f<\/h2>\n<p>\u6162\u67e5\u8a62\u65e5\u8a8c\u662fMySQL\u7684\u4e00\u500b\u65e5\u8a8c\u6587\u4ef6\uff0c\u7528\u65bc\u8a18\u9304\u57f7\u884c\u6642\u9593\u8d85\u904e\u6307\u5b9a\u95be\u503c\u7684\u67e5\u8a62\u3002\u9019\u4e9b\u67e5\u8a62\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\uff0c\u56e0\u6b64\u901a\u904e\u5206\u6790\u9019\u4e9b\u65e5\u8a8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u627e\u51fa\u6027\u80fd\u74f6\u9838\uff0c\u9032\u800c\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%9f-dNaoSdTfam\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6162\u67e5\u8a62\u65e5\u8a8c\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u76e3\u63a7\uff1a<\/strong>\u6162\u67e5\u8a62\u65e5\u8a8c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u53ca\u6642\u767c\u73fe\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u901a\u904e\u5206\u6790\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u91dd\u5c0d\u6027\u5730\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u6216\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u8b58\u5225\u51fa\u8017\u6642\u7684\u67e5\u8a62\u5f8c\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5206\u914d\u8cc7\u6e90\uff0c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%ae%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%9f-dNaoSdTfam\">\u5982\u4f55\u914d\u7f6e\u6162\u67e5\u8a62\u65e5\u8a8c\uff1f<\/h2>\n<p>\u8981\u555f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u60a8\u9700\u8981\u4fee\u6539MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff09\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>[mysqld]\nslow_query_log = 1\nslow_query_log_file = \/var\/log\/mysql\/slow-query.log\nlong_query_time = 2\n<\/code><\/pre>\n<ul>\n<li><strong>slow_query_log\uff1a<\/strong>\u8a2d\u7f6e\u70ba1\u4ee5\u555f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\u3002<\/li>\n<li><strong>slow_query_log_file\uff1a<\/strong>\u6307\u5b9a\u65e5\u8a8c\u6587\u4ef6\u7684\u5b58\u5132\u8def\u5f91\u3002<\/li>\n<li><strong>long_query_time\uff1a<\/strong>\u8a2d\u7f6e\u67e5\u8a62\u57f7\u884c\u6642\u9593\u7684\u95be\u503c\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\uff0c\u8d85\u904e\u6b64\u6642\u9593\u7684\u67e5\u8a62\u5c07\u88ab\u8a18\u9304\u3002<\/li>\n<\/ul>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u91cd\u555fMySQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%86%e6%9e%90%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%ef%bc%9f-dNaoSdTfam\">\u5982\u4f55\u5206\u6790\u6162\u67e5\u8a62\u65e5\u8a8c\uff1f<\/h2>\n<p>\u6162\u67e5\u8a62\u65e5\u8a8c\u7684\u5206\u6790\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u5de5\u5177\u9032\u884c\uff0c\u4f8b\u5982MySQL\u81ea\u5e36\u7684<code>mysqldumpslow<\/code>\u547d\u4ee4\u6216\u7b2c\u4e09\u65b9\u5de5\u5177\u5982pt-query-digest\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>mysqldumpslow<\/code>\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysqldumpslow -s t \/var\/log\/mysql\/slow-query.log\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6839\u64da\u67e5\u8a62\u57f7\u884c\u6642\u9593\u5c0d\u6162\u67e5\u8a62\u9032\u884c\u6392\u5e8f\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u6700\u8017\u6642\u7684\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e6%85%a2%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-dNaoSdTfam\">\u6162\u67e5\u8a62\u65e5\u8a8c\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\uff1a<\/strong>\u5b9a\u671f\u67e5\u770b\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u53ca\u6642\u767c\u73fe\u548c\u89e3\u6c7a\u6027\u80fd\u554f\u984c\u3002<\/li>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u91dd\u5c0d\u8a18\u9304\u7684\u6162\u67e5\u8a62\u9032\u884c\u512a\u5316\uff0c\u4f8b\u5982\u6dfb\u52a0\u7d22\u5f15\u6216\u91cd\u5beb\u67e5\u8a62\u8a9e\u53e5\u3002<\/li>\n<li><strong>\u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90\uff1a<\/strong>\u7d50\u5408\u7cfb\u7d71\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u5206\u6790\u67e5\u8a62\u6027\u80fd\u8207\u8cc7\u6e90\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-dNaoSdTfam\">\u7d50\u8ad6<\/h2>\n<p>\u6162\u67e5\u8a62\u65e5\u8a8c\u662fMySQL\u4e2d\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u548c\u512a\u5316\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u5206\u6790\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u9ad8\u6548\u904b\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u7684\u6162\u67e5\u8a62\u65e5\u8a8c\uff08Slow Query Log\uff09\uff0c\u638c\u63e1\u5982\u4f55\u8b58\u5225\u548c\u512a\u5316\u6027\u80fd\u74f6\u9838\uff0c\u63d0\u5347\u6578\u64da\u5eab\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-189530","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189530","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=189530"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189530\/revisions"}],"predecessor-version":[{"id":189531,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189530\/revisions\/189531"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}