{"id":76018,"date":"2024-10-16T03:10:15","date_gmt":"2024-10-15T19:10:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76018\/"},"modified":"2024-10-16T03:10:15","modified_gmt":"2024-10-15T19:10:15","slug":"mysql-%e6%a5%b5%e5%85%b7%e5%8f%83%e8%80%83%e5%83%b9%e5%80%bc%e7%9a%84%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76018\/","title":{"rendered":"MySQL \u6975\u5177\u53c3\u8003\u50f9\u503c\u7684\u6027\u80fd\u8abf\u512a\u6280\u5de7"},"content":{"rendered":"<h1 id=\"mysql-%e6%a5%b5%e5%85%b7%e5%8f%83%e8%80%83%e5%83%b9%e5%80%bc%e7%9a%84%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e6%8a%80%e5%b7%a7-SQsegCyaIp\">MySQL \u6975\u5177\u53c3\u8003\u50f9\u503c\u7684\u6027\u80fd\u8abf\u512a\u6280\u5de7<\/h1>\n<p>MySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0cMySQL \u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684\u6027\u80fd\u8abf\u512a\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347 MySQL \u7684\u904b\u884c\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e8%aa%bf%e6%95%b4%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8-SQsegCyaIp\">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\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u914d\u7f6e\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>innodb_buffer_pool_size<\/code>: \u9019\u662f InnoDB \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\u7684 70-80%\u3002<\/li>\n<li><code>max_connections<\/code>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u540c\u6642\u9023\u63a5\u5230 MySQL \u7684\u6700\u5927\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u6839\u64da\u61c9\u7528\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><code>query_cache_size<\/code>: \u555f\u7528\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u91cd\u8907\u67e5\u8a62\u7684\u60c5\u6cc1\u3002\u6839\u64da\u5be6\u969b\u9700\u6c42\u8a2d\u7f6e\u5408\u9069\u7684\u7de9\u5b58\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-SQsegCyaIp\">2. \u4f7f\u7528\u7d22\u5f15<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7d22\u5f15\u4f7f\u7528\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\uff0c\u61c9\u8003\u616e\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li>\u907f\u514d\u5728\u4f4e\u57fa\u6578\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u56e0\u70ba\u9019\u6a23\u7684\u7d22\u5f15\u53ef\u80fd\u4e0d\u6703\u5e36\u4f86\u6027\u80fd\u63d0\u5347\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\uff0c\u4ee5\u78ba\u4fdd\u5176\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-SQsegCyaIp\">3. \u512a\u5316\u67e5\u8a62<\/h2>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230 MySQL \u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 EXPLAIN \u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528 SELECT *\uff0c\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\u3002<\/li>\n<li>\u4f7f\u7528 JOIN \u800c\u4e0d\u662f\u5b50\u67e5\u8a62\uff0c\u56e0\u70ba JOIN \u901a\u5e38\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-SQsegCyaIp\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u904b\u884c <code>OPTIMIZE TABLE<\/code> \u547d\u4ee4\uff0c\u4ee5\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/li>\n<li>\u4f7f\u7528 <code>ANALYZE TABLE<\/code> \u66f4\u65b0\u8868\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u5e6b\u52a9\u67e5\u8a62\u512a\u5316\u5668\u505a\u51fa\u66f4\u597d\u7684\u6c7a\u7b56\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e6%80%a7%e8%83%bd-SQsegCyaIp\">5. \u76e3\u63a7\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7 MySQL \u7684\u6027\u80fd\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u9032\u884c\u76e3\u63a7\uff1a<\/p>\n<ul>\n<li><code>MySQL Performance Schema<\/code>: \u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u6027\u80fd\u6578\u64da\uff0c\u5e6b\u52a9\u8b58\u5225\u74f6\u9838\u3002<\/li>\n<li><code>MySQL Enterprise Monitor<\/code>: \u63d0\u4f9b\u5be6\u6642\u76e3\u63a7\u548c\u5831\u544a\u529f\u80fd\u3002<\/li>\n<li>\u7b2c\u4e09\u65b9\u5de5\u5177\u5982 <code>Percona Monitoring and Management<\/code> \u4e5f\u53ef\u4ee5\u63d0\u4f9b\u6709\u7528\u7684\u6027\u80fd\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SQsegCyaIp\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u8abf\u6574\u914d\u7f6e\u53c3\u6578\u3001\u4f7f\u7528\u7d22\u5f15\u3001\u512a\u5316\u67e5\u8a62\u3001\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u4ee5\u53ca\u6301\u7e8c\u76e3\u63a7\u6027\u80fd\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u5347 MySQL \u7684\u6027\u80fd\u3002\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u9069\u7528\u65bc\u5c0f\u578b\u61c9\u7528\uff0c\u4e5f\u5c0d\u5927\u578b\u7cfb\u7d71\u7684\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6027\u80fd\u8abf\u512a\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u901f\u5ea6\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-76018","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76018","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=76018"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76018\/revisions"}],"predecessor-version":[{"id":76019,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76018\/revisions\/76019"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}