{"id":75724,"date":"2024-10-16T00:41:17","date_gmt":"2024-10-15T16:41:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75724\/"},"modified":"2024-10-16T00:41:18","modified_gmt":"2024-10-15T16:41:18","slug":"mysql%e5%af%a6%e4%be%8b%e6%9c%8d%e5%8b%99hang%e4%bd%8f%e7%9a%84%e6%aa%a2%e6%b8%ac%e6%80%9d%e8%b7%af%e5%8f%8a%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75724\/","title":{"rendered":"MySQL\u5be6\u4f8b\u670d\u52d9Hang\u4f4f\u7684\u6aa2\u6e2c\u601d\u8def\u53ca\u65b9\u6848"},"content":{"rendered":"<h1 id=\"mysql%e5%af%a6%e4%be%8b%e6%9c%8d%e5%8b%99hang%e4%bd%8f%e7%9a%84%e6%aa%a2%e6%b8%ac%e6%80%9d%e8%b7%af%e5%8f%8a%e6%96%b9%e6%a1%88-XCiEFqJizm\">MySQL\u5be6\u4f8b\u670d\u52d9Hang\u4f4f\u7684\u6aa2\u6e2c\u601d\u8def\u53ca\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7136\u800c\uff0c\u7576MySQL\u5be6\u4f8b\u51fa\u73feHang\u4f4f\u7684\u60c5\u6cc1\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f71\u97ff\u696d\u52d9\u904b\u4f5c\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6aa2\u6e2c\u548c\u89e3\u6c7aMySQL\u5be6\u4f8b\u7684Hang\u4f4f\u554f\u984c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81hang%e4%bd%8f%e7%9a%84%e5%ae%9a%e7%be%a9%e5%8f%8a%e5%bd%b1%e9%9f%bf-XCiEFqJizm\">\u4e00\u3001Hang\u4f4f\u7684\u5b9a\u7fa9\u53ca\u5f71\u97ff<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cHang\u4f4f\u901a\u5e38\u6307\u7684\u662f\u6578\u64da\u5eab\u7121\u6cd5\u97ff\u61c9\u8acb\u6c42\uff0c\u5c0e\u81f4\u7528\u6236\u7121\u6cd5\u57f7\u884c\u67e5\u8a62\u6216\u66f4\u65b0\u64cd\u4f5c\u3002\u9019\u7a2e\u60c5\u6cc1\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u8cc7\u6e90\u8017\u76e1\u3001\u6b7b\u9396\u3001\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\u7b49\u3002Hang\u4f4f\u7684\u5f71\u97ff\u4e0d\u50c5\u9650\u65bc\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\uff0c\u9032\u800c\u5f71\u97ff\u6574\u9ad4\u696d\u52d9\u904b\u4f5c\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e6%aa%a2%e6%b8%ac%e6%80%9d%e8%b7%af-XCiEFqJizm\">\u4e8c\u3001\u6aa2\u6e2c\u601d\u8def<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u6aa2\u6e2cMySQL\u5be6\u4f8b\u7684Hang\u4f4f\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%9b%a3%e6%8e%a7%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-XCiEFqJizm\">1. \u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<ul>\n<li>\u4f7f\u7528\u547d\u4ee4\u5982 <code>top<\/code> \u6216 <code>htop<\/code> \u4f86\u6aa2\u67e5CPU\u548c\u5167\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li>\u6aa2\u67e5\u78c1\u789fI\/O\u6027\u80fd\uff0c\u4f7f\u7528 <code>iostat<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u78c1\u789f\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5mysql%e7%8b%80%e6%85%8b-XCiEFqJizm\">2. \u6aa2\u67e5MySQL\u72c0\u614b<\/h3>\n<ul>\n<li>\u4f7f\u7528 <code>SHOW PROCESSLIST;<\/code> \u547d\u4ee4\u67e5\u770b\u7576\u524d\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u8b58\u5225\u662f\u5426\u6709\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\u3002<\/li>\n<li>\u6aa2\u67e5 <code>SHOW ENGINE INNODB STATUS;<\/code> \u4ee5\u7372\u53d6InnoDB\u5f15\u64ce\u7684\u8a73\u7d30\u72c0\u614b\uff0c\u5305\u62ec\u6b7b\u9396\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e6%97%a5%e8%aa%8c%e6%aa%94%e6%a1%88%e5%88%86%e6%9e%90-XCiEFqJizm\">3. \u65e5\u8a8c\u6a94\u6848\u5206\u6790<\/h3>\n<ul>\n<li>\u6aa2\u67e5MySQL\u932f\u8aa4\u65e5\u8a8c\uff0c\u5c0b\u627e\u4efb\u4f55\u7570\u5e38\u6216\u932f\u8aa4\u4fe1\u606f\u3002<\/li>\n<li>\u5206\u6790\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%89%e3%80%81%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-XCiEFqJizm\">\u4e09\u3001\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u5728\u6aa2\u6e2c\u5230MySQL\u5be6\u4f8bHang\u4f4f\u7684\u554f\u984c\u5f8c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-XCiEFqJizm\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u5c0d\u65bc\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\uff0c\u61c9\u8003\u616e\u9032\u884c\u512a\u5316\u3002\u53ef\u4ee5\u4f7f\u7528 <code>EXPLAIN<\/code> \u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u6839\u64da\u9700\u8981\u6dfb\u52a0\u7d22\u5f15\u6216\u91cd\u69cb\u67e5\u8a62\u3002<\/p>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e8%b3%87%e6%ba%90-XCiEFqJizm\">2. \u589e\u52a0\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u589e\u52a0CPU\u3001\u5167\u5b58\u6216\u78c1\u789fI\/O\u6027\u80fd\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5347\u7d1a\u786c\u9ad4\u6216\u9078\u64c7\u66f4\u9ad8\u914d\u7f6e\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u5be6\u73fe\u3002<\/p>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae%e8%aa%bf%e6%95%b4-XCiEFqJizm\">3. \u914d\u7f6e\u8abf\u6574<\/h3>\n<p>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574MySQL\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u4f8b\u5982 <code>innodb_buffer_pool_size<\/code> \u548c <code>max_connections<\/code>\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7-XCiEFqJizm\">4. \u5b9a\u671f\u7dad\u8b77<\/h3>\n<p>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7dad\u8b77\uff0c\u5305\u62ec\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u91cd\u5efa\u7d22\u5f15\u7b49\uff0c\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e5%9b%9b%e3%80%81%e7%b5%90%e8%ab%96-XCiEFqJizm\">\u56db\u3001\u7d50\u8ad6<\/h2>\n<p>MySQL\u5be6\u4f8b\u7684Hang\u4f4f\u554f\u984c\u53ef\u80fd\u6703\u5c0d\u696d\u52d9\u9020\u6210\u56b4\u91cd\u5f71\u97ff\uff0c\u56e0\u6b64\u53ca\u6642\u6aa2\u6e2c\u548c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90\u3001\u6aa2\u67e5MySQL\u72c0\u614b\u3001\u5206\u6790\u65e5\u8a8c\u6a94\u6848\u4ee5\u53ca\u63a1\u53d6\u76f8\u61c9\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11Hang\u4f4f\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u5be6\u4f8b\u670d\u52d9Hang\u4f4f\u7684\u6aa2\u6e2c\u601d\u8def\u8207\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7a69\u5b9a\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u696d\u52d9\u9023\u7e8c\u6027\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-75724","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75724","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=75724"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75724\/revisions"}],"predecessor-version":[{"id":75725,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75724\/revisions\/75725"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}