{"id":195045,"date":"2024-11-13T11:44:18","date_gmt":"2024-11-13T03:44:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195045\/"},"modified":"2024-11-13T11:44:19","modified_gmt":"2024-11-13T03:44:19","slug":"%e5%84%aa%e5%8c%96mysql%ef%bc%9a-3%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e5%b0%8f%e8%aa%bf%e6%95%b4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195045\/","title":{"rendered":"\u512a\u5316MySQL\uff1a 3\u500b\u7c21\u55ae\u7684\u5c0f\u8abf\u6574"},"content":{"rendered":"

\u512a\u5316MySQL\uff1a3\u500b\u7c21\u55ae\u7684\u5c0f\u8abf\u6574<\/h1>\n

MySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0cMySQL\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e09\u500b\u7c21\u55ae\u7684\u8abf\u6574\uff0c\u5e6b\u52a9\u60a8\u512a\u5316MySQL\u7684\u6027\u80fd\u3002<\/p>\n

1. \u8abf\u6574\u67e5\u8a62\u7de9\u5b58<\/h2>\n

\u67e5\u8a62\u7de9\u5b58\u662fMySQL\u7684\u4e00\u500b\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u5c07\u67e5\u8a62\u7684\u7d50\u679c\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4ee5\u4fbf\u5728\u76f8\u540c\u67e5\u8a62\u518d\u6b21\u57f7\u884c\u6642\u5feb\u901f\u8fd4\u56de\u7d50\u679c\u3002\u9019\u5c0d\u65bc\u91cd\u8907\u67e5\u8a62\u7684\u60c5\u6cc1\u7279\u5225\u6709\u6548\u3002\u8981\u555f\u7528\u67e5\u8a62\u7de9\u5b58\uff0c\u60a8\u53ef\u4ee5\u5728MySQL\u914d\u7f6e\u6587\u4ef6\u4e2d\u9032\u884c\u4ee5\u4e0b\u8a2d\u7f6e\uff1a<\/p>\n

\n[mysqld]\nquery_cache_type = 1\nquery_cache_size = 1048576\n<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0cquery_cache_type<\/code>\u8a2d\u7f6e\u70ba1\u8868\u793a\u555f\u7528\u67e5\u8a62\u7de9\u5b58\uff0c\u800cquery_cache_size<\/code>\u5247\u8a2d\u7f6e\u7de9\u5b58\u7684\u5927\u5c0f\uff08\u4ee5\u5b57\u7bc0\u70ba\u55ae\u4f4d\uff09\u3002\u6839\u64da\u60a8\u7684\u61c9\u7528\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u3002\u8acb\u6ce8\u610f\uff0c\u67e5\u8a62\u7de9\u5b58\u5c0d\u65bc\u9ad8\u5beb\u5165\u983b\u7387\u7684\u61c9\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u8a55\u4f30\u3002<\/p>\n
2. \u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15<\/h2>\n
\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u70ba\u8868\u4e2d\u7684\u5217\u5275\u5efa\u7d22\u5f15\uff0cMySQL\u53ef\u4ee5\u66f4\u5feb\u5730\u67e5\u627e\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n
\nCREATE INDEX index_name ON table_name (column_name);\n<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u4e26\u4e14\u7d93\u5e38\u6839\u64da\u7528\u6236\u540d\u67e5\u8a62\uff0c\u60a8\u53ef\u4ee5\u9019\u6a23\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n
\nCREATE INDEX idx_username ON users (username);\n<\/code><\/pre>\n
\u7136\u800c\uff0c\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u6839\u64da\u5be6\u969b\u67e5\u8a62\u9700\u6c42\u4f86\u9078\u64c7\u6027\u5730\u5275\u5efa\u7d22\u5f15\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u4e5f\u662f\u4fdd\u6301\u6578\u64da\u5eab\u6027\u80fd\u7684\u597d\u7fd2\u6163\u3002<\/p>\n
3. \u8abf\u6574InnoDB\u7de9\u885d\u6c60\u5927\u5c0f<\/h2>\n
InnoDB\u662fMySQL\u7684\u9ed8\u8a8d\u5b58\u5132\u5f15\u64ce\uff0c\u4e26\u4e14\u5176\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u7de9\u885d\u6c60\u7684\u5927\u5c0f\u3002\u7de9\u885d\u6c60\u7528\u65bc\u5b58\u5132\u6578\u64da\u548c\u7d22\u5f15\uff0c\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\u64cd\u4f5c\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u8a2d\u7f6e\u4f86\u8abf\u6574InnoDB\u7de9\u885d\u6c60\u7684\u5927\u5c0f\uff1a<\/p>\n
\n[mysqld]\ninnodb_buffer_pool_size = 1G\n<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0cinnodb_buffer_pool_size<\/code>\u8a2d\u7f6e\u70ba1G\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u53ef\u7528\u5167\u5b58\u548c\u6578\u64da\u5eab\u7684\u5927\u5c0f\u9032\u884c\u8abf\u6574\u3002\u4e00\u822c\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470%-80%\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u4e09\u500b\u7c21\u55ae\u7684\u8abf\u6574\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u512a\u5316MySQL\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002\u7121\u8ad6\u662f\u8abf\u6574\u67e5\u8a62\u7de9\u5b58\u3001\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\uff0c\u9084\u662f\u8abf\u6574InnoDB\u7de9\u885d\u6c60\u5927\u5c0f\uff0c\u9019\u4e9b\u90fd\u662f\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u512a\u5316MySQL\u7684\u4e09\u500b\u7c21\u55ae\u5c0f\u8abf\u6574\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\uff0c\u8b93\u4f60\u7684\u61c9\u7528\u904b\u884c\u66f4\u6d41\u66a2\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-195045","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195045","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=195045"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195045\/revisions"}],"predecessor-version":[{"id":195046,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195045\/revisions\/195046"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}