{"id":76568,"date":"2024-10-16T07:53:15","date_gmt":"2024-10-15T23:53:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76568\/"},"modified":"2024-10-16T07:53:16","modified_gmt":"2024-10-15T23:53:16","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%e5%af%a6%e6%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76568\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u5167\u5b58\u8abf\u512a\u5be6\u64cd"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%e5%af%a6%e6%93%8d-SzKMvlHmEp\">MySQL\u6578\u64da\u5eab\u5167\u5b58\u8abf\u512a\u5be6\u64cd<\/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\u5982\u4f55\u6709\u6548\u5730\u8abf\u512aMySQL\u7684\u5167\u5b58\u4f7f\u7528\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u7684\u5167\u5b58\u8abf\u512a\u5be6\u64cd\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%ef%bc%9f-SzKMvlHmEp\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5167\u5b58\u8abf\u512a\uff1f<\/h2>\n<p>\u5167\u5b58\u8abf\u512a\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u6e1b\u5c11\u67e5\u8a62\u5ef6\u9072\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u7a69\u5b9a\u6027\u3002\u7576MySQL\u7684\u5167\u5b58\u914d\u7f6e\u4e0d\u7576\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u67e5\u8a62\u901f\u5ea6\u7de9\u6162<\/li>\n<li>\u7cfb\u7d71\u5d29\u6f70\u6216\u4e0d\u7a69\u5b9a<\/li>\n<li>\u8cc7\u6e90\u6d6a\u8cbb<\/li>\n<\/ul>\n<h2 id=\"mysql%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-SzKMvlHmEp\">MySQL\u5167\u5b58\u4f7f\u7528\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u8abf\u512aMySQL\u7684\u5167\u5b58\u4f7f\u7528\u4e4b\u524d\uff0c\u4e86\u89e3\u5176\u5167\u5b58\u7d50\u69cb\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002MySQL\u7684\u5167\u5b58\u4f7f\u7528\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u5168\u5c40\u7de9\u5b58\u5340\uff08Global Buffers\uff09<\/strong>\uff1a\u9019\u4e9b\u7de9\u5b58\u7528\u65bc\u5b58\u5132\u5168\u5c40\u6578\u64da\uff0c\u5982\u67e5\u8a62\u7de9\u5b58\u548c\u8868\u7de9\u5b58\u3002<\/li>\n<li><strong>\u9023\u63a5\u7de9\u5b58\uff08Connection Buffers\uff09<\/strong>\uff1a\u6bcf\u500b\u9023\u63a5\u90fd\u6709\u81ea\u5df1\u7684\u7de9\u5b58\uff0c\u7528\u65bc\u5b58\u5132\u67e5\u8a62\u548c\u7d50\u679c\u3002<\/li>\n<li><strong>\u81e8\u6642\u8868\u7de9\u5b58\uff08Temporary Tables\uff09<\/strong>\uff1a\u5728\u67e5\u8a62\u904e\u7a0b\u4e2d\uff0cMySQL\u53ef\u80fd\u6703\u5275\u5efa\u81e8\u6642\u8868\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%e7%9a%84%e5%af%a6%e6%93%8d%e6%ad%a5%e9%a9%9f-SzKMvlHmEp\">\u5167\u5b58\u8abf\u512a\u7684\u5be6\u64cd\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%aa%bf%e6%95%b4innodb-buffer-pool%e5%a4%a7%e5%b0%8f-SzKMvlHmEp\">1. \u8abf\u6574InnoDB Buffer Pool\u5927\u5c0f<\/h3>\n<p>InnoDB\u662fMySQL\u7684\u9ed8\u8a8d\u5b58\u5132\u5f15\u64ce\uff0cBuffer Pool\u662f\u5176\u6700\u91cd\u8981\u7684\u5167\u5b58\u5340\u57df\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8abf\u6574Buffer Pool\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>SET GLOBAL innodb_buffer_pool_size = 1G;<\/code><\/pre>\n<p>\u5efa\u8b70\u5c07Buffer Pool\u7684\u5927\u5c0f\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470%-80%\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5927\u90e8\u5206\u6578\u64da\u90fd\u80fd\u5728\u5167\u5b58\u4e2d\u8655\u7406\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e6%9f%a5%e8%a9%a2%e7%b7%a9%e5%ad%98-SzKMvlHmEp\">2. \u8abf\u6574\u67e5\u8a62\u7de9\u5b58<\/h3>\n<p>\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u7de9\u5b58\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u555f\u7528\u6216\u7981\u7528\u67e5\u8a62\u7de9\u5b58\uff1a<\/p>\n<pre><code>SET GLOBAL query_cache_size = 1048576; -- \u555f\u7528\u67e5\u8a62\u7de9\u5b58<\/code><\/pre>\n<p>\u6839\u64da\u5be6\u969b\u60c5\u6cc1\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u8abf\u6574\u67e5\u8a62\u7de9\u5b58\u7684\u5927\u5c0f\uff0c\u6216\u5b8c\u5168\u7981\u7528\u5b83\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e9%80%a3%e6%8e%a5%e7%b7%a9%e5%ad%98-SzKMvlHmEp\">3. \u8abf\u6574\u9023\u63a5\u7de9\u5b58<\/h3>\n<p>\u6bcf\u500b\u9023\u63a5\u90fd\u6709\u81ea\u5df1\u7684\u7de9\u5b58\uff0c\u9019\u4e9b\u7de9\u5b58\u7684\u5927\u5c0f\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u53c3\u6578\u9032\u884c\u8abf\u6574\uff1a<\/p>\n<pre><code>SET GLOBAL sort_buffer_size = 2097152; -- \u8abf\u6574\u6392\u5e8f\u7de9\u5b58\u5927\u5c0f<\/code><\/pre>\n<p>\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\uff0c\u9069\u7576\u8abf\u6574\u9019\u4e9b\u7de9\u5b58\u7684\u5927\u5c0f\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-SzKMvlHmEp\">4. \u76e3\u63a7\u548c\u8abf\u6574<\/h3>\n<p>\u8abf\u512a\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u5efa\u8b70\u4f7f\u7528\u5de5\u5177\u5982MySQL Workbench\u6216Percona Monitoring and Management\u4f86\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u3002\u6839\u64da\u76e3\u63a7\u7d50\u679c\uff0c\u6301\u7e8c\u8abf\u6574\u5167\u5b58\u914d\u7f6e\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SzKMvlHmEp\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u7684\u5167\u5b58\u8abf\u512a\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u901a\u904e\u5408\u7406\u914d\u7f6e\u5167\u5b58\u53c3\u6578\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u4e86\u89e3\u5167\u5b58\u4f7f\u7528\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u6578\u64da\u8655\u7406\u4e0a\u7372\u5f97\u66f4\u597d\u7684\u6548\u679c\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684\u74b0\u5883\u4e2d\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1MySQL\u6578\u64da\u5eab\u5167\u5b58\u8abf\u512a\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u5be6\u73fe\u6700\u4f73\u8cc7\u6e90\u5229\u7528\uff0c\u52a9\u529b\u6578\u64da\u7ba1\u7406\u8207\u61c9\u7528\u904b\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-76568","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76568","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=76568"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76568\/revisions"}],"predecessor-version":[{"id":76569,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76568\/revisions\/76569"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}