{"id":5223,"date":"2024-11-14T10:19:37","date_gmt":"2024-11-14T02:19:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5223\/"},"modified":"2024-11-14T10:19:37","modified_gmt":"2024-11-14T02:19:37","slug":"mysql%e6%85%a2%e6%9f%a5%e8%af%a2%e6%97%a5%e5%bf%97%e6%80%8e%e4%b9%88%e7%9c%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5223\/","title":{"rendered":"mysql\u6162\u67e5\u8be2\u65e5\u5fd7\u600e\u4e48\u770b"},"content":{"rendered":"<blockquote><p>\n  \u8981\u67e5\u770b mysql \u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a\u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u8def\u5f84\uff1b\u5982\u679c\u5df2\u7981\u7528\uff0c\u8bf7\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff1b\u8bbe\u7f6e\u6162\u67e5\u8be2\u9608\u503c\uff1b\u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7\uff1b\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/26\/2024052616572336420.jpg\" class=\"aligncenter\" title=\"mysql\u6162\u67e5\u8be2\u65e5\u5fd7\u600e\u4e48\u770b\u63d2\u56fe\" alt=\"mysql\u6162\u67e5\u8be2\u65e5\u5fd7\u600e\u4e48\u770b\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u67e5\u770b\u65b9\u6cd5<\/strong><\/p>\n<p>MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u662f\u8bb0\u5f55\u670d\u52a1\u5668\u4e0a\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u6307\u5b9a\u9608\u503c\u7684\u67e5\u8be2\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u901a\u8fc7\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u53ef\u4ee5\u53d1\u73b0\u548c\u4fee\u590d\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u7684\u67e5\u8be2\u3002<\/p>\n<p>\u8981\u67e5\u770b MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<p><strong>1. \u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u8def\u5f84<\/strong><\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u7684\u6587\u4ef6\u8def\u5f84\uff1a<\/p>\n<pre>SHOW VARIABLES LIKE 'slow_query_log%';<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff08\u5982\u679c\u5df2\u7981\u7528\uff09<\/strong><\/p>\n<p>\u5982\u679c\u6162\u67e5\u8be2\u65e5\u5fd7\u5df2\u7981\u7528\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528\u5b83\uff1a<\/p>\n<pre>SET GLOBAL slow_query_log=1;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8bbe\u7f6e\u6162\u67e5\u8be2\u9608\u503c<\/strong><\/p>\n<p>\u914d\u7f6e\u6162\u67e5\u8be2\u9608\u503c\uff0c\u4ee5\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u8be5\u9608\u503c\u7684\u67e5\u8be2\u3002\u9ed8\u8ba4\u503c\u4e3a 10 \u79d2\u3002\u8981\u8bbe\u7f6e\u9608\u503c\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>SET GLOBAL long_query_time=10;  \/\/ \u5c06\u9608\u503c\u8bbe\u7f6e\u4e3a 10 \u79d2<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong><\/p>\n<p>\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6216\u547d\u4ee4\u884c\u5de5\u5177\u6253\u5f00\u6162\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\u3002\u5b83\u901a\u5e38\u4f4d\u4e8e\u4ee5\u4e0b\u8def\u5f84\uff1a<\/p>\n<ul>\n<li> <strong>Linux\/macOS\uff1a<\/strong> \/var\/log\/\/mysql-slow.log<\/li>\n<li> <strong>Windows\uff1a<\/strong> C:Program FilesMySQL{version}data{hostname}-slow.log<\/li>\n<\/ul>\n<p><strong>5. \u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong><\/p>\n<p>\u6162\u67e5\u8be2\u65e5\u5fd7\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u65f6\u95f4\u6233<\/li>\n<li>\u67e5\u8be2 ID<\/li>\n<li>\u7528\u6237\u540d<\/li>\n<li>\u6570\u636e\u5e93<\/li>\n<li>\u6267\u884c\u65f6\u95f4<\/li>\n<li>\u67e5\u8be2\u6587\u672c<\/li>\n<li>\u9501\u7b49\u5f85\u65f6\u95f4<\/li>\n<\/ul>\n<p>\u67e5\u770b\u65e5\u5fd7\u65f6\uff0c\u8bf7\u7279\u522b\u6ce8\u610f\u6267\u884c\u65f6\u95f4\u8f83\u957f\u7684\u67e5\u8be2\u4ee5\u53ca\u4efb\u4f55\u9501\u5b9a\u7b49\u5f85\u65f6\u95f4\u3002\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5e2e\u52a9\u60a8\u8bc6\u522b\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u67e5\u8be2\u3002<\/p>\n<p><strong>\u5176\u4ed6\u63d0\u793a\uff1a<\/strong><\/p>\n<ul>\n<li>\u8003\u8651\u542f\u7528 general_log \u4ee5\u83b7\u53d6\u66f4\u591a\u6709\u5173\u67e5\u8be2\u6267\u884c\u7684\u4fe1\u606f\u3002<\/li>\n<li>\u4f7f\u7528 pt-query-digest \u7b49\u5de5\u5177\u81ea\u52a8\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\u3002<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u6162\u67e5\u8be2\u65e5\u5fd7\u5e76\u6839\u636e\u9700\u8981\u8c03\u6574\u9608\u503c\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6162\u67e5\u8be2\u65e5\u5fd7\u600e\u4e48\u770b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u67e5\u770b mysql \u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a\u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u8def\u5f84\uff1b\u5982\u679c\u5df2\u7981\u7528\uff0c\u8bf7\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff1b\u8bbe\u7f6e\u6162\u67e5\u8be2\u9608\u503c\uff1b\u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7\uff1b\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\u3002 MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u67e5\u770b\u65b9\u6cd5 MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u662f\u8bb0\u5f55\u670d\u52a1\u5668\u4e0a\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u6307\u5b9a\u9608\u503c\u7684\u67e5\u8be2\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u901a\u8fc7\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u53ef\u4ee5\u53d1\u73b0\u548c\u4fee\u590d\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u7684\u67e5\u8be2\u3002 \u8981\u67e5\u770b MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a 1. \u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u8def\u5f84 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u627e\u6162\u67e5\u8be2\u65e5\u5fd7\u7684\u6587\u4ef6\u8def\u5f84\uff1a SHOW VARIABLES LIKE &#8216;slow_query_log%&#8217;; \u767b\u5f55\u540e\u590d\u5236 2. \u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff08\u5982\u679c\u5df2\u7981\u7528\uff09 \u5982\u679c\u6162\u67e5\u8be2\u65e5\u5fd7\u5df2\u7981\u7528\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528\u5b83\uff1a SET GLOBAL slow_query_log=1; \u767b\u5f55\u540e\u590d\u5236 3. \u8bbe\u7f6e\u6162\u67e5\u8be2\u9608\u503c \u914d\u7f6e\u6162\u67e5\u8be2\u9608\u503c\uff0c\u4ee5\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u8be5\u9608\u503c\u7684\u67e5\u8be2\u3002\u9ed8\u8ba4\u503c\u4e3a 10 \u79d2\u3002\u8981\u8bbe\u7f6e\u9608\u503c\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a SET GLOBAL long_query_time=10; \/\/ \u5c06\u9608\u503c\u8bbe\u7f6e\u4e3a 10 \u79d2 \u767b\u5f55\u540e\u590d\u5236 4. \u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7 \u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6216\u547d\u4ee4\u884c\u5de5\u5177\u6253\u5f00\u6162\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\u3002\u5b83\u901a\u5e38\u4f4d\u4e8e\u4ee5\u4e0b\u8def\u5f84\uff1a Linux\/macOS\uff1a \/var\/log\/\/mysql-slow.log Windows\uff1a C:Program FilesMySQL{version}data{hostname}-slow.log 5. \u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7 \u6162\u67e5\u8be2\u65e5\u5fd7\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a \u65f6\u95f4\u6233 \u67e5\u8be2 ID \u7528\u6237\u540d \u6570\u636e\u5e93 \u6267\u884c\u65f6\u95f4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5223","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5223"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5223\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}