{"id":173311,"date":"2024-11-07T16:58:40","date_gmt":"2024-11-07T08:58:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173311\/"},"modified":"2024-11-07T16:58:41","modified_gmt":"2024-11-07T08:58:41","slug":"%e5%a6%82%e4%bd%95%e5%b0%8dmysql%e6%9c%8d%e5%8b%99%e5%99%a8%e9%80%b2%e8%a1%8c%e8%aa%bf%e5%84%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173311\/","title":{"rendered":"\u5982\u4f55\u5c0dMySQL\u670d\u52d9\u5668\u9032\u884c\u8abf\u512a"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%b0%8dmysql%e6%9c%8d%e5%8b%99%e5%99%a8%e9%80%b2%e8%a1%8c%e8%aa%bf%e5%84%aa-lDeLDvzSVC\">\u5982\u4f55\u5c0dMySQL\u670d\u52d9\u5668\u9032\u884c\u8abf\u512a<\/h1>\n<p>MySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u9069\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\uff0c\u5f9e\u5c0f\u578b\u7db2\u7ad9\u5230\u5927\u578b\u4f01\u696d\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0c\u5c0dMySQL\u670d\u52d9\u5668\u7684\u6027\u80fd\u8abf\u512a\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684MySQL\u670d\u52d9\u5668\u8abf\u512a\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e8%aa%bf%e6%95%b4%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8-lDeLDvzSVC\">1. \u8abf\u6574\u914d\u7f6e\u53c3\u6578<\/h2>\n<p>MySQL\u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u5176\u914d\u7f6e\u53c3\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u914d\u7f6e\u53c3\u6578\u53ca\u5176\u8abf\u6574\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size<\/strong>: \u9019\u662fInnoDB\u5b58\u5132\u5f15\u64ce\u7528\u4f86\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5340\u57df\u3002\u901a\u5e38\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470-80%\u3002<\/li>\n<li><strong>max_connections<\/strong>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u540c\u6642\u9023\u63a5\u5230MySQL\u7684\u6700\u5927\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u8abf\u6574\u6b64\u503c\uff0c\u4ee5\u907f\u514d\u9023\u63a5\u904e\u591a\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>query_cache_size<\/strong>: \u555f\u7528\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9078\u64c7\u662f\u5426\u555f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-lDeLDvzSVC\">2. \u512a\u5316\u67e5\u8a62<\/h2>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15<\/strong>: \u70ba\u5e38\u7528\u7684\u67e5\u8a62\u689d\u4ef6\u6dfb\u52a0\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f7f\u7528 <code>EXPLAIN<\/code> \u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u78ba\u4fdd\u7d22\u5f15\u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u907f\u514dSELECT *<\/strong>: \u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u5927\u5c0f\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62<\/strong>: \u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u53ef\u4ee5\u6bd4\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\uff0c\u56e0\u70baJOIN\u53ef\u4ee5\u5229\u7528\u7d22\u5f15\u9032\u884c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e7%9b%a3%e6%8e%a7%e6%80%a7%e8%83%bd-lDeLDvzSVC\">3. \u76e3\u63a7\u6027\u80fd<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7MySQL\u670d\u52d9\u5668\u7684\u6027\u80fd\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u548c\u65b9\u6cd5\u9032\u884c\u76e3\u63a7\uff1a<\/p>\n<ul>\n<li><strong>MySQL\u6162\u67e5\u8a62\u65e5\u8a8c<\/strong>: \u555f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u57f7\u884c\u6642\u9593\u904e\u9577\u7684\u67e5\u8a62\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002<\/li>\n<li><strong>\u6027\u80fd\u6a21\u5f0f<\/strong>: MySQL\u7684\u6027\u80fd\u6a21\u5f0f\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u6027\u80fd\u6578\u64da\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u6df1\u5165\u4e86\u89e3\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u6cc1\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177<\/strong>: \u4f7f\u7528\u5982Prometheus\u3001Grafana\u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7MySQL\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e7%a1%ac%e4%bb%b6%e5%8d%87%e7%b4%9a-lDeLDvzSVC\">4. \u786c\u4ef6\u5347\u7d1a<\/h2>\n<p>\u5982\u679c\u7d93\u904e\u8abf\u6574\u914d\u7f6e\u548c\u512a\u5316\u67e5\u8a62\u5f8c\uff0c\u6027\u80fd\u4ecd\u7136\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u786c\u4ef6\u5347\u7d1a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u589e\u52a0\u5167\u5b58<\/strong>: \u66f4\u591a\u7684\u5167\u5b58\u53ef\u4ee5\u63d0\u9ad8\u7de9\u5b58\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528SSD<\/strong>: \u5c07\u6578\u64da\u5eab\u5b58\u5132\u5728\u56fa\u614b\u786c\u789f\uff08SSD\uff09\u4e0a\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u8b80\u5beb\u901f\u5ea6\u3002<\/li>\n<li><strong>\u64f4\u5c55CPU<\/strong>: \u66f4\u5feb\u7684CPU\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u8655\u7406\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lDeLDvzSVC\">\u7e3d\u7d50<\/h2>\n<p>\u5c0dMySQL\u670d\u52d9\u5668\u9032\u884c\u8abf\u512a\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u914d\u7f6e\u53c3\u6578\u7684\u8abf\u6574\u3001\u67e5\u8a62\u7684\u512a\u5316\u3001\u6027\u80fd\u7684\u76e3\u63a7\u4ee5\u53ca\u5fc5\u8981\u7684\u786c\u4ef6\u5347\u7d1a\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347MySQL\u7684\u6027\u80fd\uff0c\u6eff\u8db3\u4e0d\u65b7\u589e\u9577\u7684\u696d\u52d9\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u670d\u52d9\u5668<\/a>\u9078\u64c7\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5c0dMySQL\u670d\u52d9\u5668\u9032\u884c\u8abf\u512a\uff0c\u63d0\u9ad8\u6027\u80fd\u3001\u52a0\u901f\u67e5\u8a62\u4e26\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\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-173311","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173311","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=173311"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173311\/revisions"}],"predecessor-version":[{"id":173312,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173311\/revisions\/173312"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}