{"id":77144,"date":"2024-10-16T10:27:17","date_gmt":"2024-10-16T02:27:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77144\/"},"modified":"2024-10-16T10:27:17","modified_gmt":"2024-10-16T02:27:17","slug":"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e6%95%99%e7%a8%8b%e4%b8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77144\/","title":{"rendered":"MySQL\u6027\u80fd\u512a\u5316\u6559\u7a0b\u4e00"},"content":{"rendered":"<h1 id=\"mysql%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e6%95%99%e7%a8%8b%e4%b8%80-NvyklcovTP\">MySQL\u6027\u80fd\u512a\u5316\u6559\u7a0b\u4e00<\/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\u512a\u5316MySQL\u7684\u6027\u80fd\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u57fa\u672c\u7684MySQL\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e7%a2%ba%e4%bf%9d%e4%bd%bf%e7%94%a8%e6%9c%80%e6%96%b0%e7%89%88%e6%9c%ac-NvyklcovTP\">1. \u78ba\u4fdd\u4f7f\u7528\u6700\u65b0\u7248\u672c<\/h2>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u60a8\u7684MySQL\u7248\u672c\u662f\u6700\u65b0\u7684\u3002\u6bcf\u500b\u65b0\u7248\u672c\u901a\u5e38\u90fd\u6703\u4fee\u5fa9\u5df2\u77e5\u7684\u6f0f\u6d1e\u548c\u6027\u80fd\u554f\u984c\uff0c\u4e26\u5f15\u5165\u65b0\u7684\u529f\u80fd\u3002\u5b9a\u671f\u6aa2\u67e5\u4e26\u66f4\u65b0\u60a8\u7684MySQL\u7248\u672c\uff0c\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7372\u5f97\u6700\u4f73\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-NvyklcovTP\">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\u7528EXPLAIN\u547d\u4ee4\uff1a<\/strong>\u5728\u57f7\u884c\u67e5\u8a62\u4e4b\u524d\uff0c\u4f7f\u7528EXPLAIN\u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u4e86\u89e3MySQL\u5982\u4f55\u57f7\u884c\u67e5\u8a62\uff0c\u4e26\u627e\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/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\u901f\u5ea6\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u689d\u4ef6\u6dfb\u52a0\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u6ce8\u610f\uff0c\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u5e73\u8861\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e8%aa%bf%e6%95%b4%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8-NvyklcovTP\">3. \u8abf\u6574\u914d\u7f6e\u53c3\u6578<\/h2>\n<p>MySQL\u7684\u914d\u7f6e\u53c3\u6578\u5c0d\u6027\u80fd\u6709\u8457\u91cd\u8981\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u914d\u7f6e\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size\uff1a<\/strong>\u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86InnoDB\u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5927\u5c0f\u3002\u4e00\u822c\u5efa\u8b70\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470%-80%\u3002<\/li>\n<li><strong>query_cache_size\uff1a<\/strong>\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u6b64\u53c3\u6578\u3002<\/li>\n<li><strong>max_connections\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u8a2d\u7f6e\u6700\u5927\u9023\u63a5\u6578\uff0c\u907f\u514d\u56e0\u9023\u63a5\u6578\u904e\u591a\u800c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\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-NvyklcovTP\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u53ef\u4ee5\u4fdd\u6301\u5176\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u5316\u8868\uff1a<\/strong>\u4f7f\u7528OPTIMIZE TABLE\u547d\u4ee4\u4f86\u91cd\u5efa\u548c\u5206\u6790\u8868\uff0c\u9019\u53ef\u4ee5\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u6e05\u7406\u904e\u671f\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u5099\u4efd\u548c\u6062\u5fa9\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4e26\u6e2c\u8a66\u6062\u5fa9\u904e\u7a0b\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e6%80%a7%e8%83%bd-NvyklcovTP\">5. \u76e3\u63a7\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7MySQL\u7684\u6027\u80fd\u662f\u512a\u5316\u904e\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u4f86\u76e3\u63a7\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><strong>MySQL Enterprise Monitor\uff1a<\/strong>\u63d0\u4f9b\u5be6\u6642\u76e3\u63a7\u548c\u5831\u544a\u529f\u80fd\uff0c\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u554f\u984c\u3002<\/li>\n<li><strong>Percona Monitoring and Management\uff1a<\/strong>\u4e00\u500b\u958b\u6e90\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5206\u6790MySQL\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NvyklcovTP\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u67e5\u8a62\u512a\u5316\u3001\u914d\u7f6e\u8abf\u6574\u3001\u5b9a\u671f\u7dad\u8b77\u548c\u6027\u80fd\u76e3\u63a7\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u5be6\u65bd\u4e0a\u8ff0\u5efa\u8b70\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8MySQL\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eMySQL\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\uff0c\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\uff0c\u9069\u5408\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u7684\u5be6\u7528\u6307\u5357\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-77144","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77144","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=77144"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77144\/revisions"}],"predecessor-version":[{"id":77145,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77144\/revisions\/77145"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}