{"id":188978,"date":"2024-11-12T03:30:21","date_gmt":"2024-11-11T19:30:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188978\/"},"modified":"2024-11-12T03:30:23","modified_gmt":"2024-11-11T19:30:23","slug":"%e6%8f%90%e9%ab%98mysql%e6%80%a7%e8%83%bd%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188978\/","title":{"rendered":"\u63d0\u9ad8mysql\u6027\u80fd\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e9%ab%98mysql%e6%80%a7%e8%83%bd%e7%9a%84%e6%96%b9%e6%b3%95-TRnpymYTDe\">\u63d0\u9ad8MySQL\u6027\u80fd\u7684\u65b9\u6cd5<\/h1>\n<p>MySQL\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u56e0\u5176\u9ad8\u6548\u3001\u53ef\u9760\u548c\u6613\u4e8e\u4f7f\u7528\u800c\u53d7\u5230\u5f00\u53d1\u8005\u7684\u9752\u7750\u3002\u7136\u800c\uff0c\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\u548c\u7528\u6237\u8bf7\u6c42\u7684\u589e\u591a\uff0cMySQL\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u4e00\u4e9b\u63d0\u9ad8MySQL\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u5e2e\u52a9\u7528\u6237\u4f18\u5316\u6570\u636e\u5e93\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e4%bc%98%e5%8c%96%e6%9f%a5%e8%af%a2-TRnpymYTDe\">1. \u4f18\u5316\u67e5\u8be2<\/h2>\n<p>\u67e5\u8be2\u662f\u6570\u636e\u5e93\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u4f18\u5316\u67e5\u8be2\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8MySQL\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u67e5\u8be2\u7684\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u6570\u636e\u68c0\u7d22\u3002\u786e\u4fdd\u5728\u7ecf\u5e38\u7528\u4e8e\u641c\u7d22\u3001\u6392\u5e8f\u548c\u8fde\u63a5\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>CREATE INDEX idx_column_name ON table_name(column_name);<\/code><\/pre>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u5c3d\u91cf\u53ea\u9009\u62e9\u9700\u8981\u7684\u5217\uff0c\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u91cf\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>SELECT column1, column2 FROM table_name WHERE condition;<\/code><\/pre>\n<li><strong>\u4f7f\u7528EXPLAIN\u5206\u6790\u67e5\u8be2\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8bed\u53e5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4e86\u89e3\u67e5\u8be2\u7684\u6267\u884c\u8ba1\u5212\uff0c\u4ece\u800c\u627e\u51fa\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e9%85%8d%e7%bd%aemysql%e5%8f%82%e6%95%b0-TRnpymYTDe\">2. \u914d\u7f6eMySQL\u53c2\u6570<\/h2>\n<p>MySQL\u7684\u914d\u7f6e\u53c2\u6570\u5bf9\u6027\u80fd\u6709\u7740\u91cd\u8981\u5f71\u54cd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u952e\u53c2\u6570\u7684\u8c03\u6574\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size\uff1a<\/strong>\u8fd9\u662fInnoDB\u5b58\u50a8\u5f15\u64ce\u7684\u7f13\u5b58\u533a\uff0c\u5efa\u8bae\u8bbe\u7f6e\u4e3a\u53ef\u7528\u5185\u5b58\u768470%-80%\u3002<\/li>\n<li><strong>query_cache_size\uff1a<\/strong>\u67e5\u8be2\u7f13\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u590d\u67e5\u8be2\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u51b3\u5b9a\u662f\u5426\u542f\u7528\u3002<\/li>\n<li><strong>max_connections\uff1a<\/strong>\u6839\u636e\u5e94\u7528\u7684\u5e76\u53d1\u9700\u6c42\u8c03\u6574\u6700\u5927\u8fde\u63a5\u6570\uff0c\u907f\u514d\u8fde\u63a5\u8fc7\u591a\u5bfc\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%95%b0%e6%8d%ae%e5%ba%93%e8%ae%be%e8%ae%a1%e4%bc%98%e5%8c%96-TRnpymYTDe\">3. \u6570\u636e\u5e93\u8bbe\u8ba1\u4f18\u5316<\/h2>\n<p>\u826f\u597d\u7684\u6570\u636e\u5e93\u8bbe\u8ba1\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8bbe\u8ba1\u4f18\u5316\u7684\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u89c4\u8303\u5316\u4e0e\u53cd\u89c4\u8303\u5316\uff1a<\/strong>\u5728\u8bbe\u8ba1\u6570\u636e\u5e93\u65f6\uff0c\u9002\u5f53\u7684\u89c4\u8303\u5316\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5197\u4f59\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53cd\u89c4\u8303\u5316\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<li><strong>\u5206\u533a\u8868\uff1a<\/strong>\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\u7684\u8868\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5206\u533a\u8868\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u51cf\u5c11\u5b58\u50a8\u7a7a\u95f4\uff0c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528INT\u800c\u4e0d\u662fBIGINT\u6765\u5b58\u50a8\u5c0f\u8303\u56f4\u7684\u6574\u6570\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e7%bb%b4%e6%8a%a4-TRnpymYTDe\">4. \u5b9a\u671f\u7ef4\u62a4<\/h2>\n<p>\u5b9a\u671f\u7ef4\u62a4\u6570\u636e\u5e93\u53ef\u4ee5\u4fdd\u6301\u5176\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7ef4\u62a4\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u4f18\u5316\u8868\uff1a<\/strong>\u4f7f\u7528OPTIMIZE TABLE\u547d\u4ee4\u53ef\u4ee5\u91cd\u5efa\u8868\u5e76\u66f4\u65b0\u7edf\u8ba1\u4fe1\u606f\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<li><strong>\u6e05\u7406\u65e0\u7528\u6570\u636e\uff1a<\/strong>\u5b9a\u671f\u5220\u9664\u8fc7\u671f\u6216\u65e0\u7528\u7684\u6570\u636e\uff0c\u51cf\u5c11\u8868\u7684\u5927\u5c0f\u3002<\/li>\n<li><strong>\u76d1\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff08\u5982MySQL Enterprise Monitor\uff09\u6765\u8ddf\u8e2a\u6570\u636e\u5e93\u7684\u6027\u80fd\u6307\u6807\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-TRnpymYTDe\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f18\u5316\u67e5\u8be2\u3001\u914d\u7f6eMySQL\u53c2\u6570\u3001\u8bbe\u8ba1\u6570\u636e\u5e93\u4ee5\u53ca\u5b9a\u671f\u7ef4\u62a4\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8MySQL\u7684\u6027\u80fd\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u63d0\u5347\u6570\u636e\u5e93\u7684\u54cd\u5e94\u901f\u5ea6\uff0c\u8fd8\u80fd\u63d0\u9ad8\u6574\u4f53\u5e94\u7528\u7684\u7528\u6237\u4f53\u9a8c\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9ad8\u6548\u7684\u6570\u636e\u5e93\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u4ee5\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u63d0\u9ad8MySQL\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u4f18\u5316\u67e5\u8be2\u3001\u7d22\u5f15\u4f7f\u7528\u3001\u914d\u7f6e\u8c03\u6574\u548c\u786c\u4ef6\u5347\u7ea7\uff0c\u52a9\u529b\u6570\u636e\u5e93\u9ad8\u6548\u8fd0\u884c\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-188978","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188978","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=188978"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188978\/revisions"}],"predecessor-version":[{"id":188979,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188978\/revisions\/188979"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}