{"id":12027,"date":"2024-11-25T14:27:43","date_gmt":"2024-11-25T22:27:43","guid":{"rendered":"https:\/\/www.xh86.me\/?p=12027"},"modified":"2024-11-25T14:27:43","modified_gmt":"2024-11-25T22:27:43","slug":"mysql-%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%ae%9e%e6%88%98%ef%bc%9a%e6%8f%90%e5%8d%87-zabbix-%e6%95%b0%e6%8d%ae%e5%ba%93%e5%93%8d%e5%ba%94%e9%80%9f%e5%ba%a6%e4%b8%8e%e7%a8%b3%e5%ae%9a%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=12027","title":{"rendered":"MySQL \u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u63d0\u5347 Zabbix \u6570\u636e\u5e93\u54cd\u5e94\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027"},"content":{"rendered":"<div class=\"wxsyncmain\">\u968f\u7740\u4e1a\u52a1\u589e\u957f\uff0c\u670d\u52a1\u5668\u8d44\u6e90\u6709\u6240\u51cf\u5c11\uff0c\u6211\u5bf9\u5176\u8fdb\u884c\u4e86\u9488\u5bf9\u6027\u4f18\u5316\u3002\u4ee5\u4e0b\u914d\u7f6e\u662f\u4ece my.cnf\u6587\u4ef6\u4e2d\u622a\u53d6\u7684\u90e8\u5206\u4f18\u5316\u9879\uff0c\u6210\u529f\u63d0\u5347\u4e86 Zabbix \u6570\u636e\u5e93\u7684\u54cd\u5e94\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\uff0c\u89e3\u51b3\u4e86 Grafana \u5927\u5c4f\u6389\u7ebf\u7684\u95ee\u9898\u3002<br \/>\n1\u3001\u6570\u636e\u76ee\u5f55\u4e0e\u8fde\u63a5<br \/>\n<code>[mysqld]<\/code><code>datadir = \/data\/mysql<\/code><code>socket = \/data\/mysql\/mysql.sock<\/code>\u786e\u4fdd\u8def\u5f84\u4f4d\u4e8e\u9ad8\u6027\u80fd\u78c1\u76d8\uff08\u5982 SSD\uff09\u4e0a\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u5b58\u53d6\u901f\u5ea6\u3002<br \/>\n2\u3001\u6700\u5927\u8fde\u63a5\u6570<br \/>\n<code>max_connections = 500<\/code>\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\uff0c\u5408\u7406\u8bbe\u7f6e\u8fde\u63a5\u6570\uff0c\u786e\u4fdd MySQL \u5728\u9ad8\u5e76\u53d1\u4e0b\u7a33\u5b9a\u8fd0\u884c\u3002<br \/>\n3\u3001InnoDB \u5f15\u64ce\u4f18\u5316<br \/>\n<code>innodb_buffer_pool_size = 12G<\/code><code>innodb_flush_log_at_trx_commit = 2<\/code><code>innodb_log_file_size = 4G<\/code><code>innodb_flush_method = O_DIRECT<\/code><code>innodb_file_per_table = 1<\/code>innodb_buffer_pool_size\uff1a\u8bbe\u7f6e\u4e3a\u5185\u5b58\u7684 60%-80%\uff0c\u672c\u6587\u914d\u7f6e\u4e3a 12GB\uff0c\u51cf\u5c11\u78c1\u76d8 I\/O\uff0c\u63d0\u5347\u67e5\u8be2\u6027\u80fd\u3002<br \/>\ninnodb_flush_log_at_trx_commit\uff1a\u51cf\u5c11\u78c1\u76d8 I\/O\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u9700\u6ce8\u610f\u53ef\u80fd\u7684\u6570\u636e\u4e22\u5931\u98ce\u9669\u3002<br \/>\ninnodb_log_file_size\uff1a\u914d\u7f6e\u4e3a 4GB\uff0c\u51cf\u5c11\u65e5\u5fd7\u6587\u4ef6\u5199\u5165\u9891\u7387\uff0c\u9002\u5408\u9ad8\u5199\u64cd\u4f5c\u3002<br \/>\ninnodb_flush_method\uff1a\u51cf\u5c11\u7f13\u5b58\u51b2\u7a81\uff0c\u63d0\u9ad8\u78c1\u76d8 I\/O \u6027\u80fd\u3002<br \/>\ninnodb_file_per_table\uff1a\u542f\u7528\u6bcf\u8868\u72ec\u7acb\u5b58\u50a8\uff0c\u51cf\u5c11\u78c1\u76d8\u788e\u7247\uff0c\u63d0\u5347\u67e5\u8be2\u6027\u80fd\u3002<br \/>\n4\u3001\u8fde\u63a5\u4e0e\u8d85\u65f6<br \/>\n<code>skip_name_resolve = 1<\/code><code>wait_timeout = 1800<\/code><code>interactive_timeout = 1800<\/code>skip_name_resolve\uff1a\u7981\u7528 DNS \u89e3\u6790\uff0c\u51cf\u5c11\u8fde\u63a5\u5ef6\u8fdf\u3002<br \/>\nwait_timeout\u548cinteractive_timeout\uff1a\u8bbe\u7f6e\u4e3a 30 \u5206\u949f\uff081800 \u79d2\uff09\uff0c\u51cf\u5c11\u7a7a\u95f2\u8fde\u63a5\uff0c\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u3002<br \/>\n5\u3001\u6162\u67e5\u8be2\u65e5\u5fd7<br \/>\n<code>slow_query_log = 1<\/code><code>slow_query_log_file = \/var\/log\/mysql\/mysql-slow.log<\/code><code>long_query_time = 2<\/code>\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bb0\u5f55\u8d85\u8fc7 2 \u79d2\u7684\u67e5\u8be2\uff0c\u5e2e\u52a9\u8bc6\u522b\u548c\u4f18\u5316\u6027\u80fd\u74f6\u9888\u3002<br \/>\n6\u3001\u9519\u8bef\u65e5\u5fd7<br \/>\n<code>log_error = \/var\/log\/mysql\/mysql-error.log<\/code>\u914d\u7f6e\u9519\u8bef\u65e5\u5fd7\uff0c\u8bb0\u5f55\u548c\u8bca\u65ad\u8fd0\u884c\u4e2d\u7684\u9519\u8bef\uff0c\u786e\u4fdd\u53ca\u65f6\u53d1\u73b0\u5e76\u4fee\u590d\u95ee\u9898\u3002<br \/>\n7\u3001\u8868\u5b9a\u4e49\u7f13\u5b58<br \/>\n<code>table_definition_cache = 500<\/code>\u589e\u5927\u7f13\u5b58\u5927\u5c0f\uff0c\u63d0\u9ad8\u8868\u6253\u5f00\u901f\u5ea6\uff0c\u51cf\u5c11\u67e5\u8be2\u65f6\u7684\u6027\u80fd\u74f6\u9888\u3002<br \/>\n8\u3001\u6027\u80fd\u6a21\u5f0f<br \/>\n<code>performance_schema = ON<\/code>\u542f\u7528\u6027\u80fd\u6a21\u5f0f\uff0c\u63d0\u4f9b\u8be6\u7ec6\u7684\u6027\u80fd\u76d1\u63a7\u6570\u636e\uff0c\u5e2e\u52a9\u8bca\u65ad\u548c\u4f18\u5316\u6027\u80fd\u95ee\u9898\u3002<br \/>\n\u901a\u8fc7\u4e0a\u8ff0\u4f18\u5316\uff0cZabbix \u6570\u636e\u5e93\u5728\u9ad8\u8d1f\u8f7d\u73af\u5883\u4e0b\u8868\u73b0\u66f4\u52a0\u7a33\u5b9a\uff0c\u6210\u529f\u89e3\u51b3\u4e86 Grafana \u5927\u5c4f\u6389\u7ebf\u95ee\u9898\u3002\u5e0c\u671b\u8fd9\u4e9b\u914d\u7f6e\u80fd\u5e2e\u52a9\u4f60\u5728\u8d44\u6e90\u6709\u9650\u7684\u60c5\u51b5\u4e0b\uff0c\u63d0\u5347 MySQL \u7684\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u4e1a\u52a1\u589e\u957f\uff0c\u670d\u52a1\u5668\u8d44\u6e90\u6709\u6240\u51cf\u5c11\uff0c\u6211\u5bf9\u5176\u8fdb\u884c\u4e86\u9488\u5bf9\u6027\u4f18\u5316\u3002\u4ee5\u4e0b\u914d\u7f6e\u662f\u4ece my.cnf\u6587\u4ef6\u4e2d\u622a\u53d6\u7684\u90e8\u5206\u4f18\u5316\u9879\uff0c\u6210 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,3],"tags":[],"class_list":["post-12027","post","type-post","status-publish","format-standard","hentry","category-linux","category-system"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/12027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12027"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/12027\/revisions"}],"predecessor-version":[{"id":12121,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/12027\/revisions\/12121"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}