{"id":76630,"date":"2024-10-16T08:29:16","date_gmt":"2024-10-16T00:29:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76630\/"},"modified":"2024-10-16T08:29:16","modified_gmt":"2024-10-16T00:29:16","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e9%97%9c%e9%8d%b5%e5%8f%83%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76630\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u53c3\u6578"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e9%97%9c%e9%8d%b5%e5%8f%83%e6%95%b8-fMNlAnxxMp\">MySQL\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u53c3\u6578<\/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\u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u53c3\u6578\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e8%a8%98%e6%86%b6%e9%ab%94%e9%85%8d%e7%bd%ae-fMNlAnxxMp\">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\u95dc\u9375\u7684\u8a18\u61b6\u9ad4\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\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u8a18\u61b6\u9ad4\u768470-80%\u3002<\/li>\n<li><code>query_cache_size<\/code>: \u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\u3002\u96d6\u7136\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u4f46\u5728\u8b80\u53d6\u5bc6\u96c6\u578b\u7684\u61c9\u7528\u4e2d\uff0c\u9069\u7576\u914d\u7f6e\u67e5\u8a62\u7de9\u5b58\u4ecd\u7136\u662f\u6709\u76ca\u7684\u3002<\/li>\n<li><code>tmp_table_size<\/code>\u548c<code>max_heap_table_size<\/code>: \u9019\u5169\u500b\u53c3\u6578\u63a7\u5236\u81e8\u6642\u8868\u7684\u5927\u5c0f\uff0c\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\uff0c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%84%b2%e5%ad%98%e5%bc%95%e6%93%8e%e9%81%b8%e6%93%87-fMNlAnxxMp\">2. \u5132\u5b58\u5f15\u64ce\u9078\u64c7<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u5132\u5b58\u5f15\u64ce\uff0c\u5176\u4e2dInnoDB\u548cMyISAM\u662f\u6700\u5e38\u7528\u7684\u3002\u9078\u64c7\u5408\u9069\u7684\u5132\u5b58\u5f15\u64ce\u5c0d\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u97ff\uff1a<\/p>\n<ul>\n<li><strong>InnoDB<\/strong>: \u652f\u6301\u4e8b\u52d9\u3001\u884c\u7d1a\u9396\u5b9a\u548c\u5916\u9375\uff0c\u9069\u5408\u9700\u8981\u9ad8\u4e26\u767c\u548c\u6578\u64da\u5b8c\u6574\u6027\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MyISAM<\/strong>: \u4e0d\u652f\u6301\u4e8b\u52d9\uff0c\u4f46\u5728\u8b80\u53d6\u5bc6\u96c6\u578b\u61c9\u7528\u4e2d\u6027\u80fd\u8f03\u597d\uff0c\u9069\u5408\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e7%b4%a2%e5%bc%95%e5%84%aa%e5%8c%96-fMNlAnxxMp\">3. \u7d22\u5f15\u512a\u5316<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528<code>EXPLAIN<\/code>\u8a9e\u53e5\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u78ba\u4fdd\u67e5\u8a62\u4f7f\u7528\u4e86\u7d22\u5f15\u3002<\/li>\n<li>\u907f\u514d\u5728\u4f4e\u9078\u64c7\u6027\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u56e0\u70ba\u9019\u6a23\u7684\u7d22\u5f15\u5c0d\u6027\u80fd\u63d0\u5347\u6709\u9650\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\uff0c\u4ee5\u4fdd\u6301\u5176\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-fMNlAnxxMp\">4. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u7684\u5beb\u6cd5\u5c0d\u6027\u80fd\u5f71\u97ff\u6df1\u9060\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528<code>SELECT *<\/code>\uff0c\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\u3002<\/li>\n<li>\u4f7f\u7528JOIN\u800c\u4e0d\u662f\u5b50\u67e5\u8a62\uff0c\u901a\u5e38JOIN\u7684\u6027\u80fd\u66f4\u597d\u3002<\/li>\n<li>\u5c0d\u65bc\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\uff0c\u8003\u616e\u4f7f\u7528<code>LIMIT<\/code>\u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e6%95%b4-fMNlAnxxMp\">5. \u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u512a\u5316\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u9032\u884c\u76e3\u63a7\uff1a<\/p>\n<ul>\n<li><strong>MySQL Performance Schema<\/strong>: \u63d0\u4f9b\u8a73\u7d30\u7684\u6027\u80fd\u6578\u64da\uff0c\u5e6b\u52a9\u8b58\u5225\u74f6\u9838\u3002<\/li>\n<li><strong>\u6162\u67e5\u8a62\u65e5\u8a8c<\/strong>: \u8a18\u9304\u57f7\u884c\u6642\u9593\u8d85\u904e\u6307\u5b9a\u95be\u503c\u7684\u67e5\u8a62\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fMNlAnxxMp\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u591a\u500b\u65b9\u9762\u7684\u8abf\u6574\u548c\u76e3\u63a7\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u8a18\u61b6\u9ad4\u3001\u9078\u64c7\u5408\u9069\u7684\u5132\u5b58\u5f15\u64ce\u3001\u512a\u5316\u7d22\u5f15\u548c\u67e5\u8a62\uff0c\u4ee5\u53ca\u6301\u7e8c\u76e3\u63a7\u6027\u80fd\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u53c3\u6578\uff0c\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\u548c\u7cfb\u7d71\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u7684\u6700\u4f73\u8868\u73fe\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-76630","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76630","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=76630"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76630\/revisions"}],"predecessor-version":[{"id":76631,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76630\/revisions\/76631"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}