{"id":77140,"date":"2024-10-16T10:25:16","date_gmt":"2024-10-16T02:25:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77140\/"},"modified":"2024-10-16T10:25:17","modified_gmt":"2024-10-16T02:25:17","slug":"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e5%8f%83%e6%95%b8%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77140\/","title":{"rendered":"MySQL\u6027\u80fd\u512a\u5316\u7684\u53c3\u6578\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<h1 id=\"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e5%8f%83%e6%95%b8%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-QlFDalNSVD\">MySQL\u6027\u80fd\u512a\u5316\u7684\u53c3\u6578\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6027\u80fd\u512a\u5316\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6027\u80fd\u512a\u5316\u7684\u5e7e\u500b\u95dc\u9375\u53c3\u6578\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"1-%e8%a8%98%e6%86%b6%e9%ab%94%e9%85%8d%e7%bd%ae-QlFDalNSVD\">1. \u8a18\u61b6\u9ad4\u914d\u7f6e<\/h2>\n<p>MySQL\u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u5176\u8a18\u61b6\u9ad4\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u91cd\u8981\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>innodb_buffer_pool_size<\/code>: \u9019\u662fInnoDB\u5b58\u5132\u5f15\u64ce\u7528\u4f86\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u4e3b\u8981\u8a18\u61b6\u9ad4\u5340\u57df\u3002\u901a\u5e38\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u8a18\u61b6\u9ad4\u768470-80%\u3002<\/li>\n<li><code>key_buffer_size<\/code>: \u5c0d\u65bcMyISAM\u5b58\u5132\u5f15\u64ce\uff0c\u9019\u500b\u53c3\u6578\u7528\u65bc\u7de9\u5b58\u7d22\u5f15\u3002\u5c0d\u65bc\u4f7f\u7528MyISAM\u7684\u61c9\u7528\uff0c\u61c9\u6839\u64da\u6578\u64da\u5eab\u7684\u5927\u5c0f\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><code>query_cache_size<\/code>: \u6b64\u53c3\u6578\u7528\u65bc\u7de9\u5b58\u67e5\u8a62\u7d50\u679c\uff0c\u5c0d\u65bc\u8b80\u53d6\u5bc6\u96c6\u578b\u7684\u61c9\u7528\u7279\u5225\u6709\u7528\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u904e\u5927\u7684\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u61c9\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e9%80%a3%e6%8e%a5%e7%ae%a1%e7%90%86-QlFDalNSVD\">2. \u9023\u63a5\u7ba1\u7406<\/h2>\n<p>\u9023\u63a5\u6578\u91cf\u7684\u7ba1\u7406\u5c0d\u65bc\u6027\u80fd\u4e5f\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li><code>max_connections<\/code>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86MySQL\u53ef\u4ee5\u540c\u6642\u8655\u7406\u7684\u6700\u5927\u9023\u63a5\u6578\u3002\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u9032\u884c\u8abf\u6574\uff0c\u904e\u4f4e\u7684\u8a2d\u7f6e\u53ef\u80fd\u6703\u5c0e\u81f4\u9023\u63a5\u62d2\u7d55\u3002<\/li>\n<li><code>wait_timeout<\/code>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u5728\u95dc\u9589\u7a7a\u9592\u9023\u63a5\u4e4b\u524d\u7684\u7b49\u5f85\u6642\u9593\u3002\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u91cb\u653e\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-QlFDalNSVD\">3. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><code>slow_query_log<\/code>: \u555f\u7528\u6b64\u65e5\u8a8c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u57f7\u884c\u6642\u9593\u904e\u9577\u7684\u67e5\u8a62\uff0c\u5f9e\u800c\u9032\u884c\u512a\u5316\u3002<\/li>\n<li><code>join_buffer_size<\/code>: \u6b64\u53c3\u6578\u7528\u65bc\u512a\u5316JOIN\u64cd\u4f5c\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u6c92\u6709\u7d22\u5f15\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e7%a3%81%e7%a2%9fi-o%e5%84%aa%e5%8c%96-QlFDalNSVD\">4. \u78c1\u789fI\/O\u512a\u5316<\/h2>\n<p>\u78c1\u789fI\/O\u6027\u80fd\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u5f71\u97ff\u6df1\u9060\uff1a<\/p>\n<ul>\n<li><code>innodb_flush_log_at_trx_commit<\/code>: \u6b64\u53c3\u6578\u63a7\u5236InnoDB\u5982\u4f55\u8655\u7406\u4e8b\u52d9\u65e5\u8a8c\u7684\u5237\u65b0\u3002\u8a2d\u7f6e\u70ba2\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u6703\u5728\u5d29\u6f70\u6642\u4e1f\u5931\u6700\u8fd1\u7684\u4e8b\u52d9\u3002<\/li>\n<li><code>innodb_io_capacity<\/code>: \u6b64\u53c3\u6578\u7528\u65bc\u8a2d\u7f6eInnoDB\u7684I\/O\u5bb9\u91cf\uff0c\u6839\u64da\u786c\u9ad4\u6027\u80fd\u9032\u884c\u8abf\u6574\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e5%85%b6%e4%bb%96%e5%8f%83%e6%95%b8-QlFDalNSVD\">5. \u5176\u4ed6\u53c3\u6578<\/h2>\n<p>\u9664\u4e86\u4e0a\u8ff0\u53c3\u6578\uff0c\u9084\u6709\u4e00\u4e9b\u5176\u4ed6\u7684\u8a2d\u7f6e\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n<ul>\n<li><code>table_open_cache<\/code>: \u6b64\u53c3\u6578\u63a7\u5236MySQL\u53ef\u4ee5\u540c\u6642\u6253\u958b\u7684\u8868\u7684\u6578\u91cf\uff0c\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><code>tmp_table_size<\/code>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u81e8\u6642\u8868\u7684\u6700\u5927\u5927\u5c0f\uff0c\u904e\u5c0f\u7684\u8a2d\u7f6e\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QlFDalNSVD\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u7d9c\u5408\u6027\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u591a\u500b\u53c3\u6578\u7684\u8abf\u6574\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u8a18\u61b6\u9ad4\u3001\u9023\u63a5\u7ba1\u7406\u3001\u67e5\u8a62\u512a\u5316\u548c\u78c1\u789fI\/O\u7b49\u53c3\u6578\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u9019\u4e9b\u53c3\u6578\u4e26\u9032\u884c\u9069\u7576\u7684\u8abf\u6574\uff0c\u5c07\u6709\u52a9\u65bc\u78ba\u4fdd\u60a8\u7684MySQL\u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u53c3\u6578\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\uff0c\u78ba\u4fdd\u5feb\u901f\u67e5\u8a62\u548c\u7a69\u5b9a\u904b\u884c\uff0c\u52a9\u529b\u696d\u52d9\u589e\u9577\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-77140","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77140","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=77140"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77140\/revisions"}],"predecessor-version":[{"id":77141,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77140\/revisions\/77141"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}