{"id":200424,"date":"2025-05-06T11:55:20","date_gmt":"2025-05-06T03:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200424\/"},"modified":"2025-05-06T11:55:20","modified_gmt":"2025-05-06T03:55:20","slug":"mysql-%e6%85%a2%e6%9f%a5%e8%af%a2%e6%97%a5%e5%bf%97%e8%bf%87%e5%a4%a7%e5%a6%82%e4%bd%95%e6%8e%a7%e5%88%b6%e6%96%87%e4%bb%b6%e5%a4%a7%e5%b0%8f%e5%b9%b6%e5%ae%9e%e7%8e%b0%e6%bb%9a%e5%8a%a8%e7%ad%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200424\/","title":{"rendered":"MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u8fc7\u5927\u5982\u4f55\u63a7\u5236\u6587\u4ef6\u5927\u5c0f\u5e76\u5b9e\u73b0\u6eda\u52a8\u7b56\u7565\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u8fc7\u5927\u5982\u4f55\u63a7\u5236\u6587\u4ef6\u5927\u5c0f\u5e76\u5b9e\u73b0\u6eda\u52a8\u7b56\u7565\uff1f<\/h1>\n<p>\u6570\u636e\u5e93\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aMySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u8fc7\u5927\u5982\u4f55\u63a7\u5236\u6587\u4ef6\u5927\u5c0f\u5e76\u5b9e\u73b0\u6eda\u52a8\u7b56\u7565\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241104\/17307270526728cc8c2efc9.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u63a7\u5236 mysql \u6162\u67e5\u8be2\u65e5\u5fd7\u5927\u5c0f<\/strong><\/p>\n<p>\u968f\u7740\u76d1\u63a7\u7cfb\u7edf\u7684\u5efa\u7acb\uff0c\u7528\u6237\u53d1\u73b0 mysql \u6570\u636e\u5e93\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\u5bb9\u91cf\u5df2\u8d85\u8fc7 1gb\u3002\u4e3a\u4e86\u4f18\u5316\u5b58\u50a8\u7a7a\u95f4\uff0c\u5982\u4f55\u9650\u5236\u8be5\u65e5\u5fd7\u7684\u6587\u4ef6\u5927\u5c0f\u5e76\u8bbe\u7f6e\u6eda\u52a8\u7b56\u7565\uff1f<\/p>\n<p>\u6839\u636e\u5b98\u65b9\u6587\u6863\uff0cmysql \u4f3c\u4e4e\u4e0d\u63d0\u4f9b\u76f4\u63a5\u8bbe\u7f6e\u65e5\u5fd7\u5927\u5c0f\u548c\u6eda\u52a8\u7b56\u7565\u7684\u9009\u9879\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u53d8\u901a\uff1a<\/p>\n<p><strong>\u66f4\u6539 slow_query_log_file \u6307\u5411\u7684\u6587\u4ef6\u540d<\/strong><\/p>\n<p>\u901a\u8fc7\u4fee\u6539 mysql \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 slow_query_log_file \u53c2\u6570\uff0c\u53ef\u4ee5\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u7684\u65b0\u540d\u79f0\u3002\u6bcf\u5f53\u65e5\u5fd7\u8fbe\u5230\u4e00\u5b9a\u5927\u5c0f\u65f6\uff0c\u4fbf\u53ef\u4ee5\u624b\u52a8\u5c06\u6587\u4ef6\u79fb\u52a8\u6216\u91cd\u547d\u540d\u4e3a\u65b0\u540d\u79f0\uff0c\u4ece\u800c\u5b9e\u73b0\u6eda\u52a8\u6548\u679c\u3002<\/p>\n<p>\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u793a\u4f8b\uff1a<\/p>\n<pre>[mysqld]\nslow_query_log = 1\nslow_query_log_file = \/tmp\/my_slow_query_log_%y%m%d.log<\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u65e5\u5fd7\u6587\u4ef6\u5c06\u4ee5\u65e5\u671f\u4f5c\u4e3a\u540e\u7f00\uff0c\u5e76\u5b58\u50a8\u5728 \/tmp \u76ee\u5f55\u4e2d\u3002\u968f\u7740\u65e5\u5fd7\u589e\u957f\uff0c\u53ef\u4ee5\u5b9a\u671f\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u5c06\u5f53\u524d\u65e5\u5fd7\u91cd\u547d\u540d\u4e3a new_file.log\uff1a<\/li>\n<\/ol>\n<pre>mv \/tmp\/my_slow_query_log_%y%m%d.log new_file.log<\/pre>\n<ol>\n<li>\u5c06 slow_query_log_file \u53c2\u6570\u66f4\u65b0\u4e3a new_file.log\uff1a<\/li>\n<\/ol>\n<pre>sed -i 's|slow_query_log_file = \/tmp\/my_slow_query_log_\\_%Y%m%d.log|slow_query_log_file = \/tmp\/new_file.log|' \/etc\/my.cnf<\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u63a7\u5236 mysql \u6162\u67e5\u8be2\u65e5\u5fd7\u7684\u5927\u5c0f\uff0c\u5e76\u5b9e\u73b0\u624b\u52a8\u6eda\u52a8\u673a\u5236\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u6162\u67e5\u8be2\u65e5\u5fd7\u8fc7\u5927\u5982\u4f55\u63a7&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200424","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200424","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200424"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200424\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}