{"id":510,"date":"2020-11-21T13:46:04","date_gmt":"2020-11-21T05:46:04","guid":{"rendered":"http:\/\/www.leohe.net.cn\/?p=510"},"modified":"2020-11-21T14:14:54","modified_gmt":"2020-11-21T06:14:54","slug":"mysql-%e5%8f%82%e6%95%b0%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/china-abc.leohe.net.cn\/?p=510","title":{"rendered":"mysql \u53c2\u6570\u4f18\u5316 \u53camysqlslap \u6027\u80fd\u6d4b\u8bd5"},"content":{"rendered":"<p>max_connections:<\/p>\n<pre class=\"brush:sql;toolbar:false\">show variables like '%max_connections%';\r\nshow  status like 'max_used_connections';<\/pre>\n<pre class=\"brush:sql;toolbar:false\">Max_used_connections \/ max_connections * 100% = 200\/1024 *100% \u2248 1%\r\n\u8bbe\u7f6e\u65b9\u6cd5 \u4e24\u79cd\r\n1.set GLOBAL max_connections=1200;<\/pre>\n<p>2.\u4fee\u6539my.conf\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>max_connections=1200<\/p>\n<p>&nbsp;<\/p>\n<p>mysqlslap \u4e3amysql\u81ea\u5e26\u7684\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177<\/p>\n<p>\u4f7f\u7528\u547d\u4ee4:<\/p>\n<p>mysqlslap.exe -a --concurrency=300,500 --number-of-queries 100000 -uroot -proot<\/p>\n<p>\u5176\u4e2dconcurrency\u8868\u793a\u94fe\u63a5\u5e76\u53d1\u6570300\uff0c500\u8868\u793a\u5206\u522b\u4f7f\u7528300\u548c500\u5e76\u53d1<\/p>\n<p>number-of-queries\u8868\u793a\u67e5\u8be2\u6b21\u6570 \u537310\u4e07\u4e2a\u67e5\u8be2<\/p>\n","protected":false},"excerpt":{"rendered":"<p>max_connections: show variables like '%max_connections% [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/510"}],"collection":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=510"}],"version-history":[{"count":3,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/510\/revisions"}],"predecessor-version":[{"id":513,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/510\/revisions\/513"}],"wp:attachment":[{"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/china-abc.leohe.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}