{"id":160853,"date":"2024-11-04T01:33:31","date_gmt":"2024-11-03T17:33:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160853\/"},"modified":"2024-11-04T01:33:33","modified_gmt":"2024-11-03T17:33:33","slug":"%e4%ba%92%e8%81%af%e7%b6%b2%e9%87%91%e8%9e%8d-mysql-%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8%e6%a8%99%e6%ba%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160853\/","title":{"rendered":"\u4e92\u806f\u7db2\u91d1\u878d MySQL \u512a\u5316\u53c3\u6578\u6a19\u6e96"},"content":{"rendered":"

\u4e92\u806f\u7db2\u91d1\u878d MySQL \u512a\u5316\u53c3\u6578\u6a19\u6e96<\/h1>\n

\u5728\u7576\u4eca\u7684\u4e92\u806f\u7db2\u91d1\u878d\u9818\u57df\uff0c\u6578\u64da\u7684\u8655\u7406\u548c\u5b58\u5132\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u91d1\u878d\u884c\u696d\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\uff0c\u5c0d MySQL \u7684\u512a\u5316\u53c3\u6578\u9032\u884c\u8abf\u6574\u662f\u5fc5\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e92\u806f\u7db2\u91d1\u878d\u4e2d MySQL \u7684\u512a\u5316\u53c3\u6578\u6a19\u6e96\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n

1. \u4e86\u89e3 MySQL \u512a\u5316\u7684\u5fc5\u8981\u6027<\/h2>\n

\u5728\u4e92\u806f\u7db2\u91d1\u878d\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u76f4\u63a5\u5f71\u97ff\u5230\u4ea4\u6613\u7684\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\u548c\u4ea4\u6613\u91cf\u7684\u4e0a\u5347\uff0c\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u4e5f\u96a8\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5c0d MySQL \u9032\u884c\u512a\u5316\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u7684\u95dc\u9375\u3002<\/p>\n

2. \u4e3b\u8981\u512a\u5316\u53c3\u6578<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684 MySQL \u512a\u5316\u53c3\u6578\uff0c\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u9032\u884c\u8abf\u6574\uff1a<\/p>\n

2.1. innodb_buffer_pool_size<\/h3>\n

\u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86 InnoDB \u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5927\u5c0f\u3002\u5c0d\u65bc\u91d1\u878d\u61c9\u7528\uff0c\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u7684 70% \u5230 80%\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u78c1\u789f I\/O\u3002<\/p>\n

SET GLOBAL innodb_buffer_pool_size = 2 * 1024 * 1024 * 1024; -- \u8a2d\u7f6e\u70ba 2GB<\/code><\/pre>\n
2.2. max_connections<\/h3>\n
\u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u540c\u6642\u9023\u63a5\u5230 MySQL \u7684\u6700\u5927\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u5728\u9ad8\u6d41\u91cf\u7684\u91d1\u878d\u61c9\u7528\u4e2d\uff0c\u9069\u7576\u589e\u52a0\u6b64\u503c\u53ef\u4ee5\u907f\u514d\u9023\u63a5\u6578\u904e\u591a\u5c0e\u81f4\u7684\u62d2\u7d55\u670d\u52d9\u60c5\u6cc1\u3002<\/p>\n
SET GLOBAL max_connections = 500; -- \u8a2d\u7f6e\u6700\u5927\u9023\u63a5\u6578\u70ba 500<\/code><\/pre>\n
2.3. query_cache_size<\/h3>\n
\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u983b\u7387\u66f4\u65b0\u7684\u91d1\u878d\u61c9\u7528\u4e2d\uff0c\u904e\u5927\u7684\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\uff0c\u901a\u5e38\u8a2d\u7f6e\u70ba 0 \u6216 64MB\u3002<\/p>\n
SET GLOBAL query_cache_size = 0; -- \u7981\u7528\u67e5\u8a62\u7de9\u5b58<\/code><\/pre>\n
2.4. innodb_log_file_size<\/h3>\n
\u9019\u500b\u53c3\u6578\u5f71\u97ff InnoDB \u7684\u4e8b\u52d9\u65e5\u8a8c\u5927\u5c0f\uff0c\u9069\u7576\u589e\u5927\u6b64\u503c\u53ef\u4ee5\u63d0\u9ad8\u5beb\u5165\u6027\u80fd\u3002\u5c0d\u65bc\u91d1\u878d\u61c9\u7528\uff0c\u5efa\u8b70\u8a2d\u7f6e\u70ba 256MB \u6216\u66f4\u9ad8\u3002<\/p>\n
SET GLOBAL innodb_log_file_size = 256 * 1024 * 1024; -- \u8a2d\u7f6e\u65e5\u8a8c\u6587\u4ef6\u5927\u5c0f\u70ba 256MB<\/code><\/pre>\n
3. \u6027\u80fd\u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n
\u512a\u5316 MySQL \u53c3\u6578\u5f8c\uff0c\u6301\u7e8c\u7684\u6027\u80fd\u76e3\u63a7\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 MySQL \u7684\u6027\u80fd\u6a21\u5f0f\uff08Performance Schema\uff09\u4f86\u76e3\u63a7\u67e5\u8a62\u6027\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u6839\u64da\u5be6\u969b\u904b\u884c\u72c0\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/p>\n
4. \u5be6\u969b\u6848\u4f8b\u5206\u6790<\/h2>\n
\u67d0\u91d1\u878d\u79d1\u6280\u516c\u53f8\u5728\u9032\u884c MySQL \u512a\u5316\u5f8c\uff0c\u5c07\u5176 innodb_buffer_pool_size \u8a2d\u7f6e\u70ba 80% \u7684\u53ef\u7528\u5167\u5b58\uff0c\u4e26\u5c07 max_connections \u589e\u52a0\u5230 1000\u3002\u9019\u4e9b\u8abf\u6574\u4f7f\u5f97\u5176\u7cfb\u7d71\u5728\u9ad8\u5cf0\u671f\u7684\u67e5\u8a62\u97ff\u61c9\u6642\u9593\u5f9e 500ms \u964d\u4f4e\u5230 200ms\uff0c\u5927\u5e45\u63d0\u5347\u4e86\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u4e92\u806f\u7db2\u91d1\u878d\u9818\u57df\uff0cMySQL \u7684\u512a\u5316\u53c3\u6578\u5c0d\u65bc\u7cfb\u7d71\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e innodb_buffer_pool_size<\/code>\u3001max_connections<\/code>\u3001query_cache_size<\/code> \u548c innodb_log_file_size<\/code> \u7b49\u53c3\u6578\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u548c\u7a69\u5b9a\u6027\u3002\u6301\u7e8c\u7684\u6027\u80fd\u76e3\u63a7\u548c\u8abf\u6574\u4e5f\u662f\u78ba\u4fdd\u7cfb\u7d71\u9577\u671f\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u4e92\u806f\u7db2\u91d1\u878d\u4e2dMySQL\u512a\u5316\u53c3\u6578\u7684\u6a19\u6e96\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-160853","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160853","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=160853"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160853\/revisions"}],"predecessor-version":[{"id":160854,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160853\/revisions\/160854"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}