{"id":179362,"date":"2024-11-09T01:11:22","date_gmt":"2024-11-08T17:11:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179362\/"},"modified":"2024-11-09T01:11:23","modified_gmt":"2024-11-08T17:11:23","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a9%e5%ad%98%ef%bc%9f-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a9%e5%ad%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179362\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 MySQL \u6578\u64da\u5eab\u7de9\u5b58\uff1f (mysql \u6578\u64da\u5eab\u7de9\u5b58)"},"content":{"rendered":"

\u5982\u4f55\u512a\u5316 MySQL \u6578\u64da\u5eab\u7de9\u5b58\uff1f<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u6027\u80fd\u512a\u5316\u5c24\u5176\u91cd\u8981\u3002\u7de9\u5b58\u662f\u63d0\u5347 MySQL \u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u512a\u5316 MySQL \u6578\u64da\u5eab\u7684\u7de9\u5b58\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u548c\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n

\u4ec0\u9ebc\u662f MySQL \u6578\u64da\u5eab\u7de9\u5b58\uff1f<\/h2>\n

MySQL \u6578\u64da\u5eab\u7de9\u5b58\u662f\u6307\u5c07\u67e5\u8a62\u7d50\u679c\u6216\u6578\u64da\u9801\u9762\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4ee5\u4fbf\u5728\u5f8c\u7e8c\u8acb\u6c42\u4e2d\u5feb\u901f\u8a2a\u554f\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789f I\/O \u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u7de9\u5b58\u6a5f\u5236\uff0c\u5305\u62ec\u67e5\u8a62\u7de9\u5b58\u3001InnoDB \u7de9\u5b58\u6c60\u7b49\u3002<\/p>\n

\u512a\u5316 MySQL \u6578\u64da\u5eab\u7de9\u5b58\u7684\u7b56\u7565<\/h2>\n

1. \u555f\u7528\u67e5\u8a62\u7de9\u5b58<\/h3>\n

\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u5b58\u5132 SELECT \u67e5\u8a62\u7684\u7d50\u679c\uff0c\u7576\u76f8\u540c\u7684\u67e5\u8a62\u518d\u6b21\u57f7\u884c\u6642\uff0cMySQL \u53ef\u4ee5\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u8fd4\u56de\u7d50\u679c\uff0c\u800c\u7121\u9700\u91cd\u65b0\u57f7\u884c\u67e5\u8a62\u3002\u8981\u555f\u7528\u67e5\u8a62\u7de9\u5b58\uff0c\u53ef\u4ee5\u5728 MySQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n

\n[mysqld]\nquery_cache_type = 1\nquery_cache_size = 1048576  # 1MB\n<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u67e5\u8a62\u7de9\u5b58\u5c0d\u65bc\u983b\u7e41\u66f4\u65b0\u7684\u6578\u64da\u8868\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. \u8abf\u6574 InnoDB \u7de9\u5b58\u6c60\u5927\u5c0f<\/h3>\n
\u5c0d\u65bc\u4f7f\u7528 InnoDB \u5b58\u5132\u5f15\u64ce\u7684\u6578\u64da\u5eab\uff0cInnoDB \u7de9\u5b58\u6c60\u662f\u6700\u91cd\u8981\u7684\u7de9\u5b58\u5340\u57df\u3002\u5b83\u7528\u65bc\u5b58\u5132\u6578\u64da\u9801\u548c\u7d22\u5f15\u9801\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u53c3\u6578\u4f86\u8abf\u6574\u7de9\u5b58\u6c60\u7684\u5927\u5c0f\uff1a<\/p>\n
\n[mysqld]\ninnodb_buffer_pool_size = 1G  # 1GB\n<\/code><\/pre>\n
\u6839\u64da\u7cfb\u7d71\u7684\u53ef\u7528\u5167\u5b58\uff0c\u9069\u7576\u589e\u52a0\u7de9\u5b58\u6c60\u7684\u5927\u5c0f\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
3. \u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15<\/h3>\n
\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u56e0\u7d20\u3002\u901a\u904e\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\u3002\u4f7f\u7528 EXPLAIN \u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u78ba\u4fdd\u67e5\u8a62\u4f7f\u7528\u4e86\u6b63\u78ba\u7684\u7d22\u5f15\u3002<\/p>\n
\nEXPLAIN SELECT * FROM users WHERE email = 'example@example.com';\n<\/code><\/pre>\n
\u6839\u64da\u5206\u6790\u7d50\u679c\uff0c\u8abf\u6574\u7d22\u5f15\u4ee5\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
4. \u5b9a\u671f\u6e05\u7406\u7de9\u5b58<\/h3>\n
\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u7de9\u5b58\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u3002\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u53ef\u4ee5\u91cb\u653e\u5167\u5b58\uff0c\u4e26\u63d0\u9ad8\u7de9\u5b58\u7684\u547d\u4e2d\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u624b\u52d5\u6e05\u7406\u67e5\u8a62\u7de9\u5b58\uff1a<\/p>\n
\nRESET QUERY CACHE;\n<\/code><\/pre>\n
5. \u76e3\u63a7\u7de9\u5b58\u6027\u80fd<\/h3>\n
\u4f7f\u7528 MySQL \u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff08\u5982 MySQL Workbench \u6216 Percona Monitoring and Management\uff09\u4f86\u76e3\u63a7\u7de9\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u5206\u6790\u7de9\u5b58\u547d\u4e2d\u7387\u3001\u7de9\u5b58\u5927\u5c0f\u7b49\u6307\u6a19\uff0c\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u7de9\u5b58\u914d\u7f6e\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u512a\u5316 MySQL \u6578\u64da\u5eab\u7de9\u5b58\u662f\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u555f\u7528\u67e5\u8a62\u7de9\u5b58\u3001\u8abf\u6574 InnoDB \u7de9\u5b58\u6c60\u5927\u5c0f\u3001\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u3001\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u4ee5\u53ca\u76e3\u63a7\u7de9\u5b58\u6027\u80fd\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u548c\u6574\u9ad4\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u4e9b\u512a\u5316\u7b56\u7565\u5c07\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc \u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u512a\u5316\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u512a\u5316 MySQL \u6578\u64da\u5eab\u7de9\u5b58\uff0c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u5ef6\u9072\uff0c\u4e26\u6709\u6548\u7ba1\u7406\u8cc7\u6e90\u4ee5\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u6548\u7387\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-179362","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179362","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=179362"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179362\/revisions"}],"predecessor-version":[{"id":179363,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179362\/revisions\/179363"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}