{"id":11498,"date":"2025-06-12T11:26:14","date_gmt":"2025-06-12T03:26:14","guid":{"rendered":"https:\/\/egonlin.com\/?p=11498"},"modified":"2025-06-12T16:27:40","modified_gmt":"2025-06-12T08:27:40","slug":"%e6%85%a2%e6%97%a5%e5%bf%97%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=11498","title":{"rendered":"\u6162\u65e5\u5fd7\u7ba1\u7406"},"content":{"rendered":"<pre>\u6162\u65e5\u5fd7\r\n            - \u6267\u884c\u65f6\u95f4 &gt; 10\r\n            - \u672a\u547d\u4e2d\u7d22\u5f15\r\n            - \u65e5\u5fd7\u6587\u4ef6\u8def\u5f84\r\n            \r\n        \u914d\u7f6e\uff1a\r\n            - \u5185\u5b58\r\n                show variables like '%query%';\r\n                show variables like '%queries%';\r\n                set global \u53d8\u91cf\u540d = \u503c\r\n            - \u914d\u7f6e\u6587\u4ef6\r\n                mysqld --defaults-file='E:\\egon\\mysql-5.7.16-winx64\\mysql-5.7.16-winx64\\my-default.ini'\r\n                \r\n                my.conf\u5185\u5bb9\uff1a\r\n                    slow_query_log = ON\r\n                    slow_query_log_file = D:\/....\r\n                    \r\n                \u6ce8\u610f\uff1a\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e4b\u540e\uff0c\u9700\u8981\u91cd\u542f\u670d\u52a1\r\n\r\n<\/pre>\n<pre>MySQL\u65e5\u5fd7\u7ba1\u7406\r\n========================================================\r\n\u9519\u8bef\u65e5\u5fd7: \u8bb0\u5f55 MySQL \u670d\u52a1\u5668\u542f\u52a8\u3001\u5173\u95ed\u53ca\u8fd0\u884c\u9519\u8bef\u7b49\u4fe1\u606f\r\n\u4e8c\u8fdb\u5236\u65e5\u5fd7: \u53c8\u79f0binlog\u65e5\u5fd7\uff0c\u4ee5\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u65b9\u5f0f\u8bb0\u5f55\u6570\u636e\u5e93\u4e2d\u9664 SELECT \u4ee5\u5916\u7684\u64cd\u4f5c\r\n\u67e5\u8be2\u65e5\u5fd7: \u8bb0\u5f55\u67e5\u8be2\u7684\u4fe1\u606f\r\n\u6162\u67e5\u8be2\u65e5\u5fd7: \u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u6307\u5b9a\u65f6\u95f4\u7684\u64cd\u4f5c\r\n\u4e2d\u7ee7\u65e5\u5fd7\uff1a \u5907\u5e93\u5c06\u4e3b\u5e93\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u590d\u5236\u5230\u81ea\u5df1\u7684\u4e2d\u7ee7\u65e5\u5fd7\u4e2d\uff0c\u4ece\u800c\u5728\u672c\u5730\u8fdb\u884c\u91cd\u653e\r\n\u901a\u7528\u65e5\u5fd7\uff1a \u5ba1\u8ba1\u54ea\u4e2a\u8d26\u53f7\u3001\u5728\u54ea\u4e2a\u65f6\u6bb5\u3001\u505a\u4e86\u54ea\u4e9b\u4e8b\u4ef6\r\n\u4e8b\u52a1\u65e5\u5fd7\u6216\u79f0redo\u65e5\u5fd7\uff1a \u8bb0\u5f55Innodb\u4e8b\u52a1\u76f8\u5173\u7684\u5982\u4e8b\u52a1\u6267\u884c\u65f6\u95f4\u3001\u68c0\u67e5\u70b9\u7b49\r\n========================================================\r\n\u4e00\u3001bin-log\r\n1. \u542f\u7528\r\n# vim \/etc\/my.cnf\r\n[mysqld]\r\nlog-bin[=dir\\[filename]]\r\n# service mysqld restart\r\n2. \u6682\u505c\r\n\/\/\u4ec5\u5f53\u524d\u4f1a\u8bdd\r\nSET SQL_LOG_BIN=0;\r\nSET SQL_LOG_BIN=1;\r\n3. \u67e5\u770b\r\n\u67e5\u770b\u5168\u90e8\uff1a\r\n# mysqlbinlog mysql.000002\r\n\u6309\u65f6\u95f4\uff1a\r\n# mysqlbinlog mysql.000002 --start-datetime=\"2012-12-05 10:02:56\"\r\n# mysqlbinlog mysql.000002 --stop-datetime=\"2012-12-05 11:02:54\"\r\n# mysqlbinlog mysql.000002 --start-datetime=\"2012-12-05 10:02:56\" --stop-datetime=\"2012-12-05 11:02:54\" \r\n\r\n\u6309\u5b57\u8282\u6570\uff1a\r\n# mysqlbinlog mysql.000002 --start-position=260\r\n# mysqlbinlog mysql.000002 --stop-position=260\r\n# mysqlbinlog mysql.000002 --start-position=260 --stop-position=930\r\n4. \u622a\u65adbin-log\uff08\u4ea7\u751f\u65b0\u7684bin-log\u6587\u4ef6\uff09\r\na. \u91cd\u542fmysql\u670d\u52a1\u5668\r\nb. # mysql -uroot -p123 -e 'flush logs'\r\n5. \u5220\u9664bin-log\u6587\u4ef6\r\n# mysql -uroot -p123 -e 'reset master' \r\n\r\n\r\n\u4e8c\u3001\u67e5\u8be2\u65e5\u5fd7\r\n\u542f\u7528\u901a\u7528\u67e5\u8be2\u65e5\u5fd7\r\n# vim \/etc\/my.cnf\r\n[mysqld]\r\nlog[=dir\\[filename]]\r\n# service mysqld restart\r\n\r\n\u4e09\u3001\u6162\u67e5\u8be2\u65e5\u5fd7\r\n\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\r\n# vim \/etc\/my.cnf\r\n[mysqld]\r\nlog-slow-queries[=dir\\[filename]]\r\nlong_query_time=n\r\n# service mysqld restart\r\nMySQL 5.6:\r\nslow-query-log=1\r\nslow-query-log-file=slow.log\r\nlong_query_time=3\r\n\u67e5\u770b\u6162\u67e5\u8be2\u65e5\u5fd7\r\n\u6d4b\u8bd5:BENCHMARK(count,expr)\r\nSELECT BENCHMARK(50000000,2*3);<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6162\u65e5\u5fd7 &#8211; \u6267\u884c\u65f6\u95f4 &gt; 10 &#8211; \u672a\u547d\u4e2d\u7d22\u5f15 &#8211; \u65e5\u5fd7\u6587\u4ef6\u8def\u5f84 \u914d\u7f6e\uff1a &#8211; \u5185\u5b58 show varia [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/11498"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11498"}],"version-history":[{"count":1,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/11498\/revisions"}],"predecessor-version":[{"id":11499,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/11498\/revisions\/11499"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}