{"id":1652,"date":"2025-02-14T23:54:06","date_gmt":"2025-02-14T15:54:06","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1652"},"modified":"2025-02-14T23:57:26","modified_gmt":"2025-02-14T15:57:26","slug":"mysql-%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e7%b4%a2%e5%bc%95%e4%bc%98%e5%8c%96%e5%88%b0%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%9e%84%e7%9a%84%e5%85%a8%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/14\/mysql-%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e7%b4%a2%e5%bc%95%e4%bc%98%e5%8c%96%e5%88%b0%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%9e%84%e7%9a%84%e5%85%a8%e9%9d%a2\/","title":{"rendered":"MySQL \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848\uff1a\u4ece\u7d22\u5f15\u4f18\u5316\u5230\u9ad8\u53ef\u7528\u67b6\u6784\u7684\u5168\u9762\u6df1\u5165\u5206\u6790"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\">\u5728\u5f00\u53d1 MySQL \u5e94\u7528\u65f6\uff0c\u5f00\u53d1\u8005\u5e38\u9047\u5230\u4e00\u4e9b\u8bef\u533a\u6216\u95ee\u9898\uff0c\u90a3\u6211\u4eec\u6765\u66f4\u6df1\u5165\u5730\u5256\u6790\u4e00\u4e0b\u8fd9\u4e9b\u95ee\u9898\uff0c\u5e76\u4e14\u63a2\u8ba8\u80cc\u540e\u7684\u539f\u56e0\u3001\u6df1\u5c42\u6b21\u7684\u4f18\u5316\u601d\u8def\u548c\u4e00\u4e9b\u5b9e\u9645\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">1. <strong>\u7d22\u5f15\u4f18\u5316\uff1a\u5982\u4f55\u907f\u514d\u8fc7\u5ea6\u4f7f\u7528\u548c\u9519\u8bef\u4f7f\u7528<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u7d22\u5f15\u867d\u7136\u80fd\u52a0\u901f\u67e5\u8be2\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53cd\u800c\u4f1a\u62d6\u6162\u6027\u80fd\u3002\u539f\u56e0\u662f\u6bcf\u6b21\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\u64cd\u4f5c\u65f6\uff0c\u7d22\u5f15\u90fd\u4f1a\u88ab\u7ef4\u62a4\u3002\u56e0\u6b64\uff0c\u5982\u679c\u8868\u4e2d\u6709\u5f88\u591a\u7684\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\uff0c\u8fc7\u591a\u7684\u7d22\u5f15\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u3002\u6b64\u5916\uff0c\u8fc7\u5ea6\u4f7f\u7528\u7d22\u5f15\u53ef\u80fd\u5bfc\u81f4\u5b58\u50a8\u6d88\u8017\u8fc7\u5927\uff0c\u4e14\u67e5\u8be2\u4f18\u5316\u5668\u53ef\u80fd\u9009\u62e9\u9519\u8bef\u7684\u7d22\u5f15\uff0c\u5f71\u54cd\u67e5\u8be2\u6027\u80fd\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u7d22\u5f15\u9009\u62e9\u6027<\/strong>\uff1a\u7406\u60f3\u7684\u7d22\u5f15\u5e94\u8be5\u5177\u6709\u8f83\u9ad8\u7684\u9009\u62e9\u6027\uff0c\u5373\u7d22\u5f15\u5217\u7684\u4e0d\u540c\u503c\u8d8a\u591a\u8d8a\u597d\u3002\u5bf9\u4e8e\u4f4e\u9009\u62e9\u6027\u7684\u5217\uff08\u5982\u6027\u522b\u3001\u72b6\u6001\u7b49\uff09\uff0c\u5373\u4f7f\u521b\u5efa\u4e86\u7d22\u5f15\uff0c\u67e5\u8be2\u6027\u80fd\u4e5f\u672a\u5fc5\u80fd\u5f97\u5230\u663e\u8457\u63d0\u5347\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u590d\u5408\u7d22\u5f15<\/strong>\uff1a\u9488\u5bf9\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\u7684\u5217\uff0c\u521b\u5efa\u590d\u5408\u7d22\u5f15\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u67e5\u8be2\u6027\u80fd\u3002\u6ce8\u610f\uff0c\u590d\u5408\u7d22\u5f15\u7684\u987a\u5e8f\u975e\u5e38\u91cd\u8981\uff0c\u5e94\u8be5\u6309\u7167\u67e5\u8be2\u4e2d WHERE \u5b50\u53e5\u7684\u5217\u987a\u5e8f\u6765\u8bbe\u8ba1\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u7d22\u5f15\u201c\u8986\u76d6\u67e5\u8be2\u201d<\/strong>\uff1a\u7d22\u5f15\u8986\u76d6\u67e5\u8be2\u662f\u6307\u67e5\u8be2\u4e2d\u7684\u6240\u6709\u5217\u90fd\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8fd4\u56de\uff0c\u907f\u514d\u4e86\u989d\u5916\u7684\u56de\u8868\u67e5\u8be2\u3002\u5982\u679c\u4e0d\u5c0f\u5fc3\u521b\u5efa\u4e86\u4e00\u4e2a\u8fc7\u4e8e\u590d\u6742\u7684\u7d22\u5f15\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u8986\u76d6\u67e5\u8be2\u7684\u6548\u7387\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">2. <strong>\u6570\u636e\u7c7b\u578b\u9009\u62e9\uff1a\u5982\u4f55\u907f\u514d\u9519\u8bef\u7684\u7c7b\u578b\u9009\u62e9\u5f71\u54cd\u6027\u80fd<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>MySQL \u5728\u5904\u7406\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u65f6\u7684\u5b58\u50a8\u65b9\u5f0f\u548c\u67e5\u8be2\u4f18\u5316\u5dee\u5f02\u8f83\u5927\u3002\u4f8b\u5982\uff0c<code>INT<\/code> \u7c7b\u578b\u5728\u5b58\u50a8\u65f6\u4f7f\u7528 4 \u5b57\u8282\uff0c\u800c <code>BIGINT<\/code> \u5374\u4f7f\u7528 8 \u5b57\u8282\uff0c\u8fc7\u5927\u7684\u6570\u636e\u7c7b\u578b\u4e0d\u4ec5\u6d6a\u8d39\u5b58\u50a8\u7a7a\u95f4\uff0c\u4e5f\u53ef\u80fd\u5f71\u54cd\u67e5\u8be2\u6548\u7387\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u9009\u62e9\u5408\u9002\u5927\u5c0f\u7684\u6574\u6570\u7c7b\u578b<\/strong>\uff1a\u4f8b\u5982\uff0c<code>TINYINT<\/code>\u3001<code>SMALLINT<\/code>\u3001<code>MEDIUMINT<\/code>\u3001<code>INT<\/code> \u548c <code>BIGINT<\/code> \u90fd\u662f\u6574\u6570\u7c7b\u578b\uff0c\u6839\u636e\u6570\u636e\u8303\u56f4\u9009\u62e9\u9002\u5f53\u7684\u7c7b\u578b\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u9009\u62e9<\/strong>\uff1a\u5982\u679c\u5217\u7684\u6570\u636e\u957f\u5ea6\u53d8\u5316\u8f83\u5927\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>VARCHAR<\/code>\uff0c\u800c\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u636e\u53ef\u4ee5\u4f7f\u7528 <code>CHAR<\/code> \u7c7b\u578b\u3002<code>TEXT<\/code> \u7c7b\u578b\u9002\u7528\u4e8e\u5927\u5757\u6587\u672c\u6570\u636e\uff0c\u4f46\u5982\u679c\u53ea\u9700\u8981\u5b58\u50a8\u5c0f\u7684\u6587\u672c\uff0c\u4f7f\u7528 <code>VARCHAR<\/code> \u66f4\u52a0\u9ad8\u6548\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u65e5\u671f\u7c7b\u578b<\/strong>\uff1a\u5bf9\u4e8e\u65f6\u95f4\u5b57\u6bb5\uff0c\u4f7f\u7528\u5408\u9002\u7684\u65e5\u671f\u7c7b\u578b\uff08<code>DATE<\/code>\u3001<code>DATETIME<\/code>\u3001<code>TIMESTAMP<\/code>\uff09\u53ef\u4ee5\u51cf\u5c11\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u4e14\u8fd9\u4e9b\u5b57\u6bb5\u7684\u67e5\u8be2\u6027\u80fd\u4e5f\u6bd4\u8f83\u597d\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">3. <strong>\u67e5\u8be2\u4f18\u5316\uff1a\u5982\u4f55\u907f\u514d\u5168\u8868\u626b\u63cf\u4e0e\u6162\u67e5\u8be2<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u5168\u8868\u626b\u63cf\u901a\u5e38\u53d1\u751f\u5728\u6ca1\u6709\u7d22\u5f15\u3001\u6216\u8005\u67e5\u8be2\u6761\u4ef6\u6ca1\u6709\u80fd\u591f\u6709\u6548\u5229\u7528\u7d22\u5f15\u7684\u60c5\u51b5\u4e0b\u3002\u867d\u7136\u5168\u8868\u626b\u63cf\u662f SQL \u4f18\u5316\u7684\u201c\u6740\u624b\u201d\uff0c\u4f46\u4e5f\u6709\u65f6\u5019\uff0c\u5b83\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u5c24\u5176\u662f\u5728\u6570\u636e\u91cf\u5c0f\u6216\u8005\u67e5\u8be2\u6761\u4ef6\u4e0d\u660e\u786e\u7684\u60c5\u51b5\u4e0b\u3002\u4f46\u5f53\u6570\u636e\u91cf\u589e\u52a0\u65f6\uff0c\u5168\u8868\u626b\u63cf\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u6781\u4e3a\u4e25\u91cd\uff0c\u53ef\u80fd\u5bfc\u81f4\u54cd\u5e94\u65f6\u95f4\u53d8\u5f97\u4e0d\u53ef\u63a5\u53d7\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4f7f\u7528 <code>EXPLAIN<\/code> \u5206\u6790\u67e5\u8be2<\/strong>\uff1a\u901a\u8fc7 <code>EXPLAIN<\/code> \u8bed\u53e5\uff0c\u53ef\u4ee5\u67e5\u770b MySQL \u67e5\u8be2\u8ba1\u5212\uff0c\u4e86\u89e3\u67e5\u8be2\u662f\u5982\u4f55\u6267\u884c\u7684\u3002\u901a\u8fc7\u8fd9\u4e2a\u5de5\u5177\uff0c\u53ef\u4ee5\u5224\u65ad\u67e5\u8be2\u662f\u5426\u6709\u6548\u5229\u7528\u4e86\u7d22\u5f15\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d <code>OR<\/code> \u67e5\u8be2<\/strong>\uff1a\u4f7f\u7528 <code>OR<\/code> \u65f6\uff0cMySQL \u901a\u5e38\u4f1a\u9009\u62e9\u4e0d\u4f7f\u7528\u7d22\u5f15\u8fdb\u884c\u67e5\u8be2\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 <code>UNION<\/code> \u6765\u4ee3\u66ff <code>OR<\/code>\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u4f7f\u7528\u51fd\u6570\u548c\u8ba1\u7b97<\/strong>\uff1a\u5728 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u4f7f\u7528\u51fd\u6570\uff08\u5982 <code>LOWER(name)<\/code>\uff09\u6216\u8005\u5bf9\u5217\u8fdb\u884c\u8ba1\u7b97\uff08\u5982 <code>price * 2<\/code>\uff09\u4f1a\u4f7f MySQL \u65e0\u6cd5\u4f7f\u7528\u7d22\u5f15\uff0c\u9020\u6210\u5168\u8868\u626b\u63cf\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">4. <strong>\u4e8b\u52a1\u7ba1\u7406\uff1a\u5982\u4f55\u6b63\u786e\u4f7f\u7528\u4e8b\u52a1\u907f\u514d\u6b7b\u9501\u548c\u6027\u80fd\u74f6\u9888<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u4e8b\u52a1\u662f\u4e00\u7ec4\u539f\u5b50\u6027\u7684\u64cd\u4f5c\uff0c\u8981\u4e48\u5168\u6210\u529f\uff0c\u8981\u4e48\u5168\u5931\u8d25\u3002\u4e8b\u52a1\u7ba1\u7406\u7684\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u662f\u6b7b\u9501\uff08Deadlock\uff09\u3002\u6b7b\u9501\u901a\u5e38\u53d1\u751f\u5728\u591a\u4e2a\u4e8b\u52a1\u4e92\u76f8\u7b49\u5f85\u5bf9\u65b9\u6301\u6709\u7684\u9501\uff0c\u800c\u5bfc\u81f4\u4e8b\u52a1\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\uff0c\u4ece\u800c\u5f71\u54cd\u6027\u80fd\u548c\u6570\u636e\u4e00\u81f4\u6027\u3002\u6b7b\u9501\u7684\u53d1\u751f\u4e0e\u4e8b\u52a1\u7684\u6267\u884c\u987a\u5e8f\u3001\u9501\u7684\u7c92\u5ea6\u548c\u6301\u6709\u9501\u7684\u65f6\u95f4\u957f\u77ed\u6709\u5f88\u5927\u5173\u7cfb\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u5408\u7406\u5212\u5206\u4e8b\u52a1\u8303\u56f4<\/strong>\uff1a\u5c3d\u91cf\u7f29\u5c0f\u4e8b\u52a1\u7684\u6267\u884c\u8303\u56f4\uff0c\u907f\u514d\u4e8b\u52a1\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u5360\u7528\u9501\u8fc7\u957f\u65f6\u95f4\u3002\u53ef\u4ee5\u628a\u4e00\u4e9b\u4e0d\u4f9d\u8d56\u4e8e\u4e8b\u52a1\u7684\u64cd\u4f5c\u79fb\u5230\u4e8b\u52a1\u5916\u90e8\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u9632\u6b62\u6b7b\u9501<\/strong>\uff1a\u6b7b\u9501\u4e00\u822c\u53d1\u751f\u5728\u4e24\u4e2a\u4e8b\u52a1\u5728\u4e0d\u540c\u7684\u987a\u5e8f\u4e0a\u8bf7\u6c42\u8d44\u6e90\u3002\u4e3a\u4e86\u51cf\u5c11\u6b7b\u9501\u7684\u98ce\u9669\uff0c\u53ef\u4ee5\u786e\u4fdd\u591a\u4e2a\u4e8b\u52a1\u6309\u7167\u76f8\u540c\u7684\u987a\u5e8f\u8bf7\u6c42\u8d44\u6e90\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f7f\u7528\u5408\u9002\u7684\u9694\u79bb\u7ea7\u522b<\/strong>\uff1a\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\uff08\u5982 <code>READ COMMITTED<\/code>\u3001<code>REPEATABLE READ<\/code>\u3001<code>SERIALIZABLE<\/code>\uff09\u5f71\u54cd\u9501\u7684\u7c92\u5ea6\u548c\u6301\u6709\u65f6\u95f4\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5e94\u7528\uff0c<code>REPEATABLE READ<\/code> \u662f\u4e00\u4e2a\u6bd4\u8f83\u597d\u7684\u9009\u62e9\uff0c\u907f\u514d\u4e86\u5e7b\u8bfb\u7684\u53d1\u751f\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">5. <strong>\u8fde\u63a5\u6c60\u4e0e\u8fde\u63a5\u7ba1\u7406\uff1a\u5982\u4f55\u907f\u514d\u8fc7\u5ea6\u8fde\u63a5\u6216\u8fde\u63a5\u6cc4\u6f0f<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u5982\u679c\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u65b0\u6253\u5f00\u548c\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5c06\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\u3002\u9891\u7e41\u5efa\u7acb\u548c\u9500\u6bc1\u6570\u636e\u5e93\u8fde\u63a5\u9700\u8981\u6d88\u8017\u5927\u91cf\u65f6\u95f4\u548c\u8d44\u6e90\uff0c\u5c24\u5176\u662f\u6570\u636e\u5e93\u8fde\u63a5\u5efa\u7acb\u7684\u4ee3\u4ef7\u76f8\u5bf9\u8f83\u9ad8\u3002\u800c\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u6ca1\u6709\u6709\u6548\u7684\u8fde\u63a5\u6c60\u7ba1\u7406\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8fde\u63a5\u6cc4\u6f0f\uff08\u5373\u6570\u636e\u5e93\u8fde\u63a5\u6ca1\u6709\u53ca\u65f6\u91ca\u653e\uff0c\u5bfc\u81f4\u8fde\u63a5\u6570\u8fc7\u591a\uff0c\u6700\u7ec8\u8017\u5c3d\u8d44\u6e90\uff09\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4f7f\u7528\u8fde\u63a5\u6c60<\/strong>\uff1a\u901a\u8fc7\u8fde\u63a5\u6c60\uff08\u5982 HikariCP\u3001C3P0 \u7b49\uff09\u6765\u590d\u7528\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u907f\u514d\u6bcf\u6b21\u90fd\u5efa\u7acb\u65b0\u7684\u8fde\u63a5\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5408\u7406\u914d\u7f6e\u8fde\u63a5\u6c60\u5927\u5c0f<\/strong>\uff1a\u8fde\u63a5\u6c60\u7684\u5927\u5c0f\u9700\u8981\u6839\u636e\u7cfb\u7edf\u7684\u8d1f\u8f7d\u548c\u6570\u636e\u5e93\u7684\u627f\u8f7d\u80fd\u529b\u6765\u8c03\u6574\u3002\u8fc7\u5c0f\u7684\u8fde\u63a5\u6c60\u4f1a\u5bfc\u81f4\u7b49\u5f85\uff0c\u8fc7\u5927\u7684\u8fde\u63a5\u6c60\u4f1a\u5360\u7528\u8fc7\u591a\u8d44\u6e90\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u786e\u4fdd\u8fde\u63a5\u5173\u95ed<\/strong>\uff1a\u4f7f\u7528 <code>try-catch-finally<\/code> \u5757\u6765\u786e\u4fdd\u6bcf\u6b21\u6570\u636e\u5e93\u64cd\u4f5c\u540e\u8fde\u63a5\u80fd\u591f\u88ab\u5173\u95ed\uff0c\u9632\u6b62\u8fde\u63a5\u6cc4\u6f0f\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">6. <strong>\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\uff1a\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u53ef\u9760\u6027\u4e0e\u4e00\u81f4\u6027<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u6570\u636e\u5907\u4efd\u548c\u6062\u590d\u662f\u4efb\u4f55\u7cfb\u7edf\u7684\u57fa\u77f3\u3002\u5728\u9ad8\u5e76\u53d1\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u5728\u51fa\u73b0\u6545\u969c\u65f6\u80fd\u591f\u5feb\u901f\u6062\u590d\u662f\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u3002\u4f20\u7edf\u7684\u5907\u4efd\u65b9\u6cd5\uff08\u5982\u5168\u5907\u548c\u589e\u91cf\u5907\u4efd\uff09\u901a\u5e38\u5b58\u5728\u5907\u4efd\u7a97\u53e3\u95ee\u9898\uff0c\u5907\u4efd\u7684\u65f6\u95f4\u70b9\u4e0e\u7cfb\u7edf\u72b6\u6001\u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u8fd9\u4f1a\u5e26\u6765\u6570\u636e\u6062\u590d\u65f6\u7684\u98ce\u9669\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u70ed\u5907\u4efd\u4e0e\u589e\u91cf\u5907\u4efd<\/strong>\uff1a\u91c7\u7528 MySQL \u7684 <code>mysqldump<\/code> \u6216\u8005 <code>Percona XtraBackup<\/code> \u8fdb\u884c\u70ed\u5907\u4efd\uff0c\u907f\u514d\u5728\u5907\u4efd\u671f\u95f4\u7cfb\u7edf\u4e0d\u53ef\u7528\u3002\u4f7f\u7528\u589e\u91cf\u5907\u4efd\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u6bcf\u6b21\u5907\u4efd\u6240\u9700\u7684\u65f6\u95f4\u548c\u8d44\u6e90\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5907\u4efd\u4e00\u81f4\u6027<\/strong>\uff1a\u786e\u4fdd\u5907\u4efd\u65f6\u6570\u636e\u5e93\u7684\u4e8b\u52a1\u4e00\u81f4\u6027\u3002\u53ef\u4ee5\u5229\u7528 <code>FLUSH TABLES WITH READ LOCK<\/code> \u6765\u9501\u5b9a\u8868\uff0c\u4fdd\u8bc1\u5728\u5907\u4efd\u671f\u95f4\u4e0d\u4f1a\u53d1\u751f\u6570\u636e\u4fee\u6539\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">7. <strong>MySQL \u914d\u7f6e\u4e0e\u8c03\u4f18\uff1a\u5982\u4f55\u4f18\u5316 MySQL \u914d\u7f6e\u6765\u63d0\u5347\u6027\u80fd<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u9ed8\u8ba4\u7684 MySQL \u914d\u7f6e\u5e76\u4e0d\u9002\u5408\u6240\u6709\u7684\u751f\u4ea7\u73af\u5883\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u5927\u578b\u5e94\u7528\u6216\u9ad8\u5e76\u53d1\u7cfb\u7edf\u3002MySQL \u914d\u7f6e\u7684\u4f18\u5316\u5305\u62ec\u5185\u5b58\u7ba1\u7406\u3001\u78c1\u76d8 I\/O\u3001\u67e5\u8be2\u7f13\u5b58\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u9519\u8bef\u7684\u914d\u7f6e\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\u6216\u6027\u80fd\u74f6\u9888\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u8c03\u6574\u5185\u5b58\u7f13\u5b58<\/strong>\uff1a\u5982 <code>innodb_buffer_pool_size<\/code> \u662f InnoDB \u5b58\u50a8\u5f15\u64ce\u7684\u5173\u952e\u53c2\u6570\uff0c\u5e94\u8be5\u914d\u7f6e\u4e3a\u7cfb\u7edf\u5185\u5b58\u7684 70-80%\u3002\u8fd9\u4e2a\u7f13\u5b58\u51b3\u5b9a\u4e86\u6570\u636e\u9875\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u50a8\u91cf\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u8c03\u6574\u8fde\u63a5\u6570\u548c\u7ebf\u7a0b\u6570<\/strong>\uff1a\u5982 <code>max_connections<\/code>\u3001<code>thread_cache_size<\/code> \u7b49\u53c2\u6570\uff0c\u5e94\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u8c03\u6574\uff0c\u4ee5\u907f\u514d\u8fde\u63a5\u8fc7\u591a\u65f6\u7684\u6027\u80fd\u95ee\u9898\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u67e5\u8be2\u7f13\u5b58<\/strong>\uff1a\u867d\u7136 MySQL 8.0 \u7248\u672c\u5df2\u5e9f\u5f03\u67e5\u8be2\u7f13\u5b58\uff0c\u4f46\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f 5.x \u7248\u672c\uff0c\u53ef\u4ee5\u542f\u7528 <code>query_cache_size<\/code> \u6765\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">8. <strong>\u6b7b\u9501\u5206\u6790\u4e0e\u4f18\u5316\uff1a\u5982\u4f55\u6709\u6548\u907f\u514d\u548c\u6392\u67e5\u6b7b\u9501<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u6b7b\u9501\u662f\u5e76\u53d1\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u9ad8\u5e76\u53d1\u548c\u957f\u4e8b\u52a1\u7684\u73af\u5883\u4e2d\u3002\u6b7b\u9501\u53d1\u751f\u65f6\uff0c\u591a\u4e2a\u4e8b\u52a1\u76f8\u4e92\u7b49\u5f85\u5bf9\u65b9\u6301\u6709\u7684\u9501\uff0c\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\u3002\u8fd9\u4e0d\u4ec5\u5f71\u54cd\u4e86\u4e1a\u52a1\u903b\u8f91\u7684\u6b63\u786e\u6027\uff0c\u8fd8\u53ef\u80fd\u9020\u6210\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u9700\u8981\u9891\u7e41\u5730\u56de\u6eda\u4e8b\u52a1\u3002 <strong>\u6b7b\u9501\u7684\u6839\u672c\u539f\u56e0<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li>\u4e8b\u52a1\u6301\u9501\u7684\u7c92\u5ea6\u592a\u5927\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u9501\u7684\u7533\u8bf7\u987a\u5e8f\u4e0d\u4e00\u81f4\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u957f\u4e8b\u52a1\u4e2d\u542b\u6709\u591a\u4e2a\u8868\u7684\u64cd\u4f5c\uff0c\u9020\u6210\u8d44\u6e90\u7ade\u4e89\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u907f\u514d\u957f\u65f6\u95f4\u6301\u6709\u9501<\/strong>\uff1a\u5728\u4e8b\u52a1\u5185\u6267\u884c\u5c3d\u53ef\u80fd\u5c11\u7684\u64cd\u4f5c\uff0c\u5c3d\u91cf\u51cf\u5c11\u9501\u7684\u6301\u6709\u65f6\u95f4\u3002\u907f\u514d\u5728\u4e8b\u52a1\u5185\u6267\u884c\u957f\u65f6\u95f4\u7684\u8ba1\u7b97\u6216\u590d\u6742\u67e5\u8be2\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u786e\u4fdd\u4e00\u81f4\u7684\u9501\u7533\u8bf7\u987a\u5e8f<\/strong>\uff1a\u591a\u4e2a\u4e8b\u52a1\u5728\u8bbf\u95ee\u591a\u4e2a\u8868\u65f6\uff0c\u786e\u4fdd\u5b83\u4eec\u4ee5\u76f8\u540c\u7684\u987a\u5e8f\u7533\u8bf7\u9501\uff0c\u907f\u514d\u53d1\u751f\u73af\u5f62\u7b49\u5f85\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f7f\u7528\u77ed\u5c0f\u7684\u4e8b\u52a1<\/strong>\uff1a\u5c06\u5927\u4e8b\u52a1\u62c6\u89e3\u6210\u591a\u4e2a\u5c0f\u4e8b\u52a1\uff0c\u8fd9\u6837\u5373\u4f7f\u67d0\u4e2a\u4e8b\u52a1\u53d1\u751f\u6b7b\u9501\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u4e8b\u52a1\u7684\u6267\u884c\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5408\u7406\u9009\u62e9\u9694\u79bb\u7ea7\u522b<\/strong>\uff1a\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\u51b3\u5b9a\u4e86\u4e8b\u52a1\u4e4b\u95f4\u7684\u53ef\u89c1\u6027\u548c\u9501\u7684\u7c92\u5ea6\u3002\u5c3d\u91cf\u4f7f\u7528\u8f83\u4f4e\u7684\u9694\u79bb\u7ea7\u522b\uff08\u5982 <code>READ COMMITTED<\/code>\uff09\uff0c\u4ee5\u51cf\u5c11\u9501\u51b2\u7a81\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6b7b\u9501\u68c0\u6d4b\u4e0e\u65e5\u5fd7\u5206\u6790<\/strong>\uff1aMySQL \u5728\u53d1\u751f\u6b7b\u9501\u65f6\u4f1a\u81ea\u52a8\u56de\u6eda\u67d0\u4e2a\u4e8b\u52a1\uff0c\u5e76\u751f\u6210\u6b7b\u9501\u65e5\u5fd7\u3002\u53ef\u4ee5\u901a\u8fc7 <code>SHOW ENGINE INNODB STATUS<\/code> \u547d\u4ee4\u6765\u67e5\u770b\u6b7b\u9501\u65e5\u5fd7\u3002\u5b9a\u671f\u5206\u6790\u6b7b\u9501\u65e5\u5fd7\uff0c\u627e\u51fa\u95ee\u9898\u7684\u6839\u6e90\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">9. <strong>\u5206\u5e93\u5206\u8868\u7b56\u7565\uff1a\u5982\u4f55\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u5408\u7406\u8fdb\u884c\u5206\u5e93\u5206\u8868<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\uff0c\u5355\u8868\u6570\u636e\u91cf\u8fc7\u5927\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4e0b\u964d\u3001\u6570\u636e\u5e93\u538b\u529b\u589e\u5927\u3002\u6b64\u65f6\uff0c\u901a\u8fc7\u5206\u5e93\u5206\u8868\u6280\u672f\u8fdb\u884c\u6570\u636e\u5206\u6563\uff0c\u80fd\u591f\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u6269\u5c55\u6027\u3002\u7136\u800c\uff0c\u5206\u5e93\u5206\u8868\u7b56\u7565\u7684\u8bbe\u8ba1\u975e\u5e38\u590d\u6742\uff0c\u6d89\u53ca\u6570\u636e\u5206\u5e03\u3001\u67e5\u8be2\u8def\u7531\u7b49\u591a\u4e2a\u65b9\u9762\u3002 <strong>\u5206\u5e93\u5206\u8868\u9762\u4e34\u7684\u6311\u6218<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6570\u636e\u4e00\u81f4\u6027<\/strong>\uff1a\u5206\u5e93\u5206\u8868\u540e\uff0c\u8de8\u8868\u67e5\u8be2\u53d8\u5f97\u590d\u6742\uff0c\u4e8b\u52a1\u7ba1\u7406\u548c\u6570\u636e\u4e00\u81f4\u6027\u4fdd\u8bc1\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u590d\u6742\u7684\u67e5\u8be2\u8def\u7531<\/strong>\uff1a\u7531\u4e8e\u6570\u636e\u5206\u6563\u5728\u4e0d\u540c\u7684\u5e93\u6216\u8868\u4e2d\uff0c\u8de8\u5e93\u67e5\u8be2\u9700\u8981\u901a\u8fc7\u5e94\u7528\u5c42\u8fdb\u884c\u8def\u7531\u548c\u6c47\u603b\uff0c\u589e\u52a0\u4e86\u7cfb\u7edf\u590d\u6742\u6027\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u7ba1\u7406\u548c\u76d1\u63a7\u7684\u590d\u6742\u6027<\/strong>\uff1a\u5206\u5e93\u5206\u8868\u540e\uff0c\u9700\u8981\u5bf9\u591a\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u8fdb\u884c\u7ba1\u7406\u548c\u76d1\u63a7\uff0c\u6570\u636e\u8fc1\u79fb\u548c\u5907\u4efd\u6062\u590d\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u5206\u8868\u8bbe\u8ba1<\/strong>\uff1a\u6839\u636e\u4e1a\u52a1\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u5206\u8868\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6309\u7167\u65f6\u95f4\u8303\u56f4\u3001ID \u8303\u56f4\u7b49\u5c06\u6570\u636e\u5206\u6563\u5230\u4e0d\u540c\u7684\u8868\u4e2d\u3002\u5e38\u89c1\u7684\u5206\u8868\u65b9\u5f0f\u6709\u5782\u76f4\u5206\u8868\uff08\u6309\u5217\u5206\uff09\u548c\u6c34\u5e73\u5206\u8868\uff08\u6309\u884c\u5206\uff09\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5206\u5e93\u8bbe\u8ba1<\/strong>\uff1a\u5982\u679c\u6570\u636e\u91cf\u8fbe\u5230\u4e86\u4e00\u5b9a\u89c4\u6a21\uff0c\u5355\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u53ef\u80fd\u65e0\u6cd5\u627f\u8f7d\uff0c\u53ef\u4ee5\u8003\u8651\u5c06\u6570\u636e\u6c34\u5e73\u5207\u5206\u5230\u591a\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u8de8\u5e93\u8054\u63a5\u67e5\u8be2<\/strong>\uff1a\u8de8\u5e93\u67e5\u8be2\u6027\u80fd\u5f88\u5dee\uff0c\u5c3d\u91cf\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u3002\u5728\u8bbe\u8ba1\u65f6\u53ef\u4ee5\u8003\u8651\u5c06\u4e1a\u52a1\u903b\u8f91\u62c6\u5206\u6210\u591a\u4e2a\u5b50\u7cfb\u7edf\uff0c\u907f\u514d\u591a\u5e93\u4e4b\u95f4\u7684\u67e5\u8be2\u4f9d\u8d56\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5206\u5e93\u5206\u8868\u7684\u52a8\u6001\u8c03\u6574<\/strong>\uff1a\u968f\u7740\u4e1a\u52a1\u53d1\u5c55\uff0c\u53ef\u80fd\u9700\u8981\u52a8\u6001\u5730\u8c03\u6574\u5206\u5e93\u5206\u8868\u7b56\u7565\u3002\u53ef\u4ee5\u8bbe\u8ba1\u5206\u5e93\u5206\u8868\u7684\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u5b9a\u671f\u76d1\u63a7\u6570\u636e\u5206\u5e03\u60c5\u51b5\u5e76\u505a\u51fa\u8c03\u6574\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">10. <strong>\u78c1\u76d8 I\/O \u4f18\u5316\uff1a\u5982\u4f55\u63d0\u5347\u78c1\u76d8 I\/O \u6027\u80fd\uff0c\u51cf\u5c11 I\/O \u7b49\u5f85<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u78c1\u76d8 I\/O \u662f\u6570\u636e\u5e93\u6027\u80fd\u7684\u5173\u952e\u74f6\u9888\u4e4b\u4e00\u3002\u78c1\u76d8 I\/O \u7684\u6027\u80fd\u53d7\u5236\u4e8e\u786c\u4ef6\u3001\u5b58\u50a8\u5f15\u64ce\u7684\u8bbe\u8ba1\u3001\u6570\u636e\u5b58\u50a8\u65b9\u5f0f\u7b49\u56e0\u7d20\u3002MySQL \u4e2d\uff0c\u5c24\u5176\u662f InnoDB \u5b58\u50a8\u5f15\u64ce\u5bf9\u78c1\u76d8 I\/O \u4f9d\u8d56\u8f83\u5927\uff0c\u5f88\u591a\u6027\u80fd\u95ee\u9898\u90fd\u6e90\u4e8e\u78c1\u76d8 I\/O\u3002 <strong>I\/O \u6027\u80fd\u74f6\u9888\u7684\u6765\u6e90<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u9891\u7e41\u7684\u78c1\u76d8\u8bfb\u53d6<\/strong>\uff1a\u5c24\u5176\u662f\u5728\u5927\u6570\u636e\u91cf\u7684\u67e5\u8be2\u6216\u64cd\u4f5c\u4e2d\uff0c\u5982\u679c MySQL \u65e0\u6cd5\u5c06\u6570\u636e\u5b8c\u5168\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5c31\u9700\u8981\u9891\u7e41\u8bfb\u53d6\u78c1\u76d8\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u65e5\u5fd7\u5199\u5165\u5ef6\u8fdf<\/strong>\uff1aInnoDB \u5b58\u50a8\u5f15\u64ce\u5728\u5904\u7406\u4e8b\u52a1\u65f6\uff0c\u4f1a\u5c06\u4e8b\u52a1\u65e5\u5fd7\u5199\u5165\u78c1\u76d8\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u78c1\u76d8 I\/O \u963b\u585e\uff0c\u5f71\u54cd\u6027\u80fd\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4e0d\u5408\u7406\u7684\u6587\u4ef6\u7cfb\u7edf<\/strong>\uff1a\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u4e5f\u4f1a\u5f71\u54cd\u78c1\u76d8 I\/O \u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0cEXT4 \u6587\u4ef6\u7cfb\u7edf\u7684\u6027\u80fd\u53ef\u80fd\u4e0d\u5982 XFS \u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u5408\u7406\u914d\u7f6e InnoDB \u7684\u7f13\u51b2\u6c60<\/strong>\uff1a\u5c06 <code>innodb_buffer_pool_size<\/code> \u914d\u7f6e\u4e3a\u670d\u52a1\u5668\u603b\u5185\u5b58\u7684 70%-80%\uff0c\u786e\u4fdd\u5c3d\u91cf\u591a\u7684\u64cd\u4f5c\u80fd\u4ece\u5185\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u51cf\u5c11\u78c1\u76d8\u8bfb\u53d6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f7f\u7528 SSD<\/strong>\uff1a\u5982\u679c\u9884\u7b97\u5141\u8bb8\uff0c\u4f7f\u7528 SSD \u66ff\u4ee3\u4f20\u7edf\u7684 HDD\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u78c1\u76d8 I\/O \u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u7684\u73af\u5883\u4e2d\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u78c1\u76d8 I\/O \u7684\u65e5\u5fd7\u7b56\u7565<\/strong>\uff1a\u4f7f\u7528 <code>innodb_flush_log_at_trx_commit<\/code> \u53c2\u6570\u63a7\u5236\u65e5\u5fd7\u5199\u5165\u7b56\u7565\uff0c\u5408\u7406\u914d\u7f6e\u65e5\u5fd7\u7684\u5237\u76d8\u9891\u7387\u3002\u8bbe\u7f6e\u4e3a 2\uff08\u6bcf\u79d2\u5237\u76d8\uff09\u901a\u5e38\u80fd\u5728\u6027\u80fd\u548c\u6570\u636e\u5b89\u5168\u6027\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u9009\u62e9\u9ad8\u6027\u80fd\u7684\u6587\u4ef6\u7cfb\u7edf<\/strong>\uff1a\u5728\u8fdb\u884c\u78c1\u76d8 I\/O \u4f18\u5316\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u6587\u4ef6\u7cfb\u7edf\uff08\u5982 XFS\uff09\u800c\u975e EXT4\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u51cf\u5c11\u78c1\u76d8\u788e\u7247<\/strong>\uff1a\u6570\u636e\u5e93\u6587\u4ef6\u7684\u788e\u7247\u4f1a\u5f71\u54cd\u78c1\u76d8 I\/O \u7684\u6548\u7387\uff0c\u5b9a\u671f\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u6574\u7406\uff0c\u4fdd\u8bc1\u6570\u636e\u5e93\u6587\u4ef6\u5b58\u50a8\u7684\u8fde\u7eed\u6027\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">11. <strong>\u67e5\u8be2\u7f13\u5b58\u4e0e\u5185\u5b58\u7ba1\u7406\uff1a\u5982\u4f55\u5408\u7406\u914d\u7f6e\u7f13\u5b58\u4ee5\u63d0\u5347\u67e5\u8be2\u6027\u80fd<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u67e5\u8be2\u7f13\u5b58\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u67e5\u8be2\u7684\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u5927\u591a\u6570\u67e5\u8be2\u7ed3\u679c\u4e0d\u53d1\u751f\u53d8\u5316\u7684\u60c5\u51b5\u4e0b\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cMySQL \u5728 8.0 \u7248\u672c\u4e2d\u5df2\u7ecf\u79fb\u9664\u4e86\u67e5\u8be2\u7f13\u5b58\uff08<code>query_cache<\/code>\uff09\uff0c\u56e0\u4e3a\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u7f13\u5b58\u7684\u66f4\u65b0\u4ee3\u4ef7\u8fc7\u9ad8\uff0c\u53cd\u800c\u53ef\u80fd\u964d\u4f4e\u6027\u80fd\u3002\u4f46\u5728 5.x \u7248\u672c\u4e2d\uff0c\u67e5\u8be2\u7f13\u5b58\u4ecd\u7136\u662f\u4e00\u4e2a\u6709\u7528\u7684\u5de5\u5177\u3002 <strong>\u67e5\u8be2\u7f13\u5b58\u7684\u9677\u9631<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u7f13\u5b58\u66f4\u65b0\u95ee\u9898<\/strong>\uff1a\u5982\u679c\u9891\u7e41\u4fee\u6539\u6570\u636e\u8868\uff0c\u67e5\u8be2\u7f13\u5b58\u7684\u6709\u6548\u6027\u5c31\u4f1a\u5927\u5e45\u4e0b\u964d\uff0c\u5bfc\u81f4\u9891\u7e41\u7684\u7f13\u5b58\u5931\u6548\uff0c\u53cd\u800c\u5f71\u54cd\u6027\u80fd\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6570\u636e\u91cf\u5927\u7684\u67e5\u8be2\u7f13\u5b58\u6548\u7387\u4f4e<\/strong>\uff1a\u5bf9\u4e8e\u8fd4\u56de\u5927\u91cf\u6570\u636e\u7684\u67e5\u8be2\uff0c\u7f13\u5b58\u7684\u6548\u679c\u53ef\u80fd\u53cd\u800c\u9002\u5f97\u5176\u53cd\uff0c\u56e0\u4e3a\u6bcf\u6b21\u7f13\u5b58\u66f4\u65b0\u548c\u8bfb\u53d6\u90fd\u4f1a\u8017\u8d39\u8f83\u591a\u65f6\u95f4\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u5408\u7406\u4f7f\u7528\u67e5\u8be2\u7f13\u5b58<\/strong>\uff1a\u5bf9\u4e8e\u4e0d\u7ecf\u5e38\u66f4\u65b0\u7684\u6570\u636e\u8868\uff0c\u67e5\u8be2\u7f13\u5b58\u662f\u4e00\u4e2a\u63d0\u5347\u6027\u80fd\u7684\u6709\u6548\u624b\u6bb5\u3002\u5982\u679c\u4f7f\u7528 5.x \u7248\u672c\uff0c\u5efa\u8bae\u5728\u67e5\u8be2\u6027\u80fd\u8f83\u4f4e\u65f6\u542f\u7528\u67e5\u8be2\u7f13\u5b58\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u7f13\u5b58\u4e0d\u4e00\u81f4<\/strong>\uff1a\u786e\u4fdd\u5728\u4fee\u6539\u6570\u636e\u65f6\uff0c\u76f8\u5173\u7684\u7f13\u5b58\u80fd\u591f\u88ab\u53ca\u65f6\u6e05\u9664\uff0c\u907f\u514d\u51fa\u73b0\u7f13\u5b58\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f7f\u7528\u5916\u90e8\u7f13\u5b58\u7cfb\u7edf<\/strong>\uff1a\u5bf9\u4e8e\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 Redis \u6216 Memcached \u7b49\u5916\u90e8\u7f13\u5b58\u7cfb\u7edf\uff0c\u8fd9\u6bd4 MySQL \u7684\u67e5\u8be2\u7f13\u5b58\u66f4\u9ad8\u6548\uff0c\u4e14\u80fd\u591f\u5728\u5206\u5e03\u5f0f\u67b6\u6784\u4e2d\u4f7f\u7528\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">12. <strong>\u6162\u67e5\u8be2\u4e0e\u6027\u80fd\u74f6\u9888\u6392\u67e5\uff1a\u5982\u4f55\u8bc6\u522b\u548c\u4f18\u5316\u6162\u67e5\u8be2<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u6162\u67e5\u8be2\u662f\u6570\u636e\u5e93\u6027\u80fd\u95ee\u9898\u7684\u201c\u8b66\u62a5\u201d\uff0c\u5f53\u67e5\u8be2\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7\u8bbe\u5b9a\u7684\u9608\u503c\u65f6\uff0c\u7cfb\u7edf\u4f1a\u8bb0\u5f55\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u6162\u67e5\u8be2\u53ef\u80fd\u662f\u7531\u4e8e\u67e5\u8be2\u8bbe\u8ba1\u4e0d\u5f53\u3001\u7f3a\u4e4f\u7d22\u5f15\u3001\u8868\u8bbe\u8ba1\u4e0d\u5408\u7406\u7b49\u539f\u56e0\u5bfc\u81f4\u7684\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong>\uff1a\u5f00\u542f MySQL \u7684\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u5e76\u8bbe\u7f6e\u5408\u7406\u7684 <code>long_query_time<\/code>\uff0c\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u7684\u67e5\u8be2\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong>\uff1a\u4f7f\u7528 <code>mysqldumpslow<\/code> \u6216 <code>pt-query-digest<\/code> \u7b49\u5de5\u5177\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u627e\u51fa\u6700\u6162\u7684\u67e5\u8be2\u5e76\u8fdb\u884c\u4f18\u5316\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6dfb\u52a0\u7d22\u5f15<\/strong>\uff1a\u5bf9\u4e8e\u6162\u67e5\u8be2\uff0c\u68c0\u67e5\u662f\u5426\u7f3a\u5c11\u5fc5\u8981\u7684\u7d22\u5f15\u3002\u901a\u8fc7 <code>EXPLAIN<\/code> \u67e5\u770b\u67e5\u8be2\u8ba1\u5212\uff0c\u4e86\u89e3\u67e5\u8be2\u662f\u5426\u5229\u7528\u4e86\u7d22\u5f15\uff0c\u662f\u5426\u5b58\u5728\u5168\u8868\u626b\u63cf\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316 SQL \u8bed\u53e5<\/strong>\uff1a\u901a\u8fc7\u91cd\u5199 SQL \u67e5\u8be2\u3001\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684 JOIN \u64cd\u4f5c\u3001\u4f18\u5316\u5b50\u67e5\u8be2\u7b49\u624b\u6bb5\u6765\u63d0\u5347\u67e5\u8be2\u6548\u7387\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">13. <strong>InnoDB \u5b58\u50a8\u5f15\u64ce\u4f18\u5316\uff1a\u5982\u4f55\u63d0\u5347 InnoDB \u6027\u80fd<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>InnoDB \u662f MySQL \u4e2d\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u5177\u6709\u4e8b\u52a1\u652f\u6301\u3001\u5916\u952e\u7ea6\u675f\u3001ACID \u5c5e\u6027\u7b49\u7279\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u7279\u6027\u4e5f\u5e26\u6765\u4e86\u6027\u80fd\u7684\u6311\u6218\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u3001\u5927\u6570\u636e\u91cf\u7684\u60c5\u51b5\u4e0b\u3002InnoDB \u7684\u6027\u80fd\u74f6\u9888\u901a\u5e38\u51fa\u73b0\u5728\u78c1\u76d8 I\/O\u3001\u9501\u4e89\u7528\u3001\u7f13\u51b2\u6c60\u7b49\u65b9\u9762\u3002 <strong>\u5e38\u89c1\u7684 InnoDB \u6027\u80fd\u74f6\u9888<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u7f13\u51b2\u6c60\u7684\u914d\u7f6e<\/strong>\uff1a<code>innodb_buffer_pool_size<\/code> \u51b3\u5b9a\u4e86 InnoDB \u53ef\u4ee5\u4f7f\u7528\u591a\u5c11\u5185\u5b58\u7f13\u5b58\u6570\u636e\uff0c\u8fc7\u5c0f\u7684\u7f13\u5b58\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684\u78c1\u76d8 I\/O \u64cd\u4f5c\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u9501\u7684\u4e89\u7528<\/strong>\uff1aInnoDB \u4f7f\u7528\u884c\u7ea7\u9501\uff0c\u4f46\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\uff0c\u9501\u4e89\u7528\u4ecd\u7136\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\uff0c\u7279\u522b\u662f\u5f53\u591a\u4e2a\u4e8b\u52a1\u5c1d\u8bd5\u4fee\u6539\u76f8\u540c\u7684\u6570\u636e\u65f6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u65e5\u5fd7\u548c\u4e8b\u52a1\u63d0\u4ea4<\/strong>\uff1aInnoDB \u7684\u65e5\u5fd7\u7cfb\u7edf\uff08\u7279\u522b\u662f <code>redo log<\/code>\uff09\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u9891\u7387\u7684\u63d0\u4ea4\u64cd\u4f5c\u65f6\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u589e\u52a0\u7f13\u51b2\u6c60\u7684\u5927\u5c0f<\/strong>\uff1a<code>innodb_buffer_pool_size<\/code> \u5e94\u8be5\u8bbe\u7f6e\u4e3a\u670d\u52a1\u5668\u7269\u7406\u5185\u5b58\u7684 70%-80%\u3002\u8fd9\u80fd\u786e\u4fdd\u5927\u90e8\u5206\u6570\u636e\u80fd\u9a7b\u7559\u5728\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u78c1\u76d8 I\/O\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u8c03\u6574\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f<\/strong>\uff1a<code>innodb_log_file_size<\/code> \u548c <code>innodb_log_buffer_size<\/code> \u9700\u8981\u6839\u636e\u4e1a\u52a1\u7684\u4e8b\u52a1\u91cf\u6765\u8c03\u6574\u3002\u8f83\u5927\u7684\u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u51cf\u5c11\u78c1\u76d8 I\/O\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u5d29\u6e83\u6062\u590d\u7684\u65f6\u95f4\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5f00\u542f\u5e76\u4f18\u5316 InnoDB \u538b\u7f29<\/strong>\uff1a\u4f7f\u7528 InnoDB \u6570\u636e\u8868\u7684\u538b\u7f29\u529f\u80fd\uff08\u5982 <code>innodb_file_per_table<\/code> \u548c <code>innodb_compression_algorithm<\/code>\uff09\u53ef\u4ee5\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u5728\u6570\u636e\u91cf\u5e9e\u5927\u7684\u65f6\u5019\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9501\u4e89\u7528<\/strong>\uff1a\u786e\u4fdd\u9ad8\u5e76\u53d1\u4e8b\u52a1\u5bf9\u540c\u4e00\u884c\u7684\u9501\u7ade\u4e89\u6700\u5c0f\u3002\u901a\u8fc7\u4f18\u5316\u4e8b\u52a1\u7684\u7c92\u5ea6\u3001\u907f\u514d\u957f\u65f6\u95f4\u5360\u7528\u9501\u3001\u4ee5\u53ca\u5408\u7406\u8bbe\u8ba1\u6570\u636e\u8bbf\u95ee\u987a\u5e8f\uff0c\u53ef\u4ee5\u51cf\u5c11\u9501\u51b2\u7a81\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u4e8b\u52a1\u63d0\u4ea4\u7b56\u7565<\/strong>\uff1a\u901a\u8fc7\u8bbe\u7f6e <code>innodb_flush_log_at_trx_commit<\/code> \u4e3a 2\uff08\u6bcf\u79d2\u5237\u65b0\u65e5\u5fd7\uff09\u6765\u5e73\u8861\u6027\u80fd\u4e0e\u6570\u636e\u5b89\u5168\u6027\u3002\u5728\u9ad8\u6027\u80fd\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u66f4\u4e3a\u5bbd\u677e\u7684\u65e5\u5fd7\u5237\u76d8\u7b56\u7565\uff0c\u4f46\u8981\u5c0f\u5fc3\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">14. <strong>\u8de8\u5730\u57df\u6570\u636e\u5e93\u90e8\u7f72\u4e0e\u540c\u6b65\uff1a\u5982\u4f55\u9ad8\u6548\u7ba1\u7406\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u7cfb\u7edf<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u968f\u7740\u5168\u7403\u5316\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u9700\u8981\u5728\u591a\u4e2a\u5730\u57df\u90e8\u7f72\u6570\u636e\u5e93\uff0c\u5e76\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002\u8fd9\u65f6\uff0c\u8de8\u5730\u57df\u7684\u6570\u636e\u540c\u6b65\u3001\u5ef6\u8fdf\u95ee\u9898\u548c\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u6027\u65b9\u6848\u5c31\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002 <strong>\u8de8\u5730\u57df\u6570\u636e\u5e93\u90e8\u7f72\u9762\u4e34\u7684\u6311\u6218<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6570\u636e\u4e00\u81f4\u6027<\/strong>\uff1a\u5728\u591a\u5730\u57df\u90e8\u7f72\u65f6\uff0c\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u662f\u4e00\u4e2a\u6311\u6218\uff0c\u5c24\u5176\u662f\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u906d\u9047\u201c\u6700\u7ec8\u4e00\u81f4\u6027\u201d\u4e0e\u201c\u5f3a\u4e00\u81f4\u6027\u201d\u4e4b\u95f4\u7684\u9009\u62e9\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u7f51\u7edc\u5ef6\u8fdf\u4e0e\u540c\u6b65\u5ef6\u8fdf<\/strong>\uff1a\u8de8\u5730\u57df\u7684\u6570\u636e\u540c\u6b65\u4f1a\u53d7\u5230\u7f51\u7edc\u5ef6\u8fdf\u7684\u5f71\u54cd\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u7684\u540c\u6b65\u5ef6\u8fdf\uff0c\u8fdb\u800c\u5f71\u54cd\u5230\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u9ad8\u53ef\u7528\u6027\u4e0e\u707e\u5907<\/strong>\uff1a\u591a\u5730\u57df\u6570\u636e\u5e93\u9700\u8981\u6709\u707e\u5907\u673a\u5236\uff0c\u4e00\u65e6\u67d0\u4e2a\u5730\u57df\u7684\u6570\u636e\u5e93\u51fa\u73b0\u95ee\u9898\uff0c\u5176\u4ed6\u5730\u57df\u7684\u6570\u636e\u5e93\u80fd\u591f\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u9009\u62e9\u5408\u9002\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u67b6\u6784<\/strong>\uff1a\u5bf9\u4e8e\u8de8\u5730\u57df\u90e8\u7f72\uff0c\u53ef\u4ee5\u9009\u62e9\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff08\u5982 MySQL Cluster\u3001Galera Cluster\uff09\u6216\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\u3001\u53cc\u4e3b\u590d\u5236\u7b49\u65b9\u5f0f\u5b9e\u73b0\u6570\u636e\u540c\u6b65\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5f02\u6b65\u4e0e\u540c\u6b65\u590d\u5236\u7684\u5e73\u8861<\/strong>\uff1a\u4f7f\u7528\u5f02\u6b65\u590d\u5236\u65f6\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5199\u64cd\u4f5c\u7684\u5ef6\u8fdf\uff0c\u4f46\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u540c\u6b65\u590d\u5236\u5219\u80fd\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff0c\u4f46\u4f1a\u589e\u52a0\u5199\u64cd\u4f5c\u7684\u5ef6\u8fdf\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u8de8\u5730\u57df\u90e8\u7f72\u65f6\uff0c\u8981\u5e73\u8861\u8fd9\u4e24\u8005\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u91c7\u7528\u5206\u5e03\u5f0f\u4e8b\u52a1\u7ba1\u7406\u65b9\u6848<\/strong>\uff1a\u4f8b\u5982\u4f7f\u7528\u4e24\u9636\u6bb5\u63d0\u4ea4\uff082PC\uff09\u6216\u4e09\u9636\u6bb5\u63d0\u4ea4\uff083PC\uff09\u6765\u4fdd\u8bc1\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u591a\u6d3b\u67b6\u6784<\/strong>\uff1a\u4f7f\u7528\u591a\u6d3b\u67b6\u6784\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u5bb9\u707e\u80fd\u529b\u548c\u6570\u636e\u8bbf\u95ee\u6027\u80fd\uff0c\u5728\u591a\u4e2a\u5730\u57df\u540c\u65f6\u90e8\u7f72\u6570\u636e\u5e93\uff0c\u5e76\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u6765\u5206\u62c5\u8bbf\u95ee\u538b\u529b\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">15. <strong>MySQL \u9ad8\u53ef\u7528\u6027\u67b6\u6784\u8bbe\u8ba1\uff1a\u5982\u4f55\u4fdd\u8bc1 MySQL \u7684\u9ad8\u53ef\u7528\u6027<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u5bf9\u4e8e\u5927\u89c4\u6a21\u3001\u9ad8\u5e76\u53d1\u7684\u4e1a\u52a1\uff0cMySQL \u7684\u9ad8\u53ef\u7528\u6027\uff08HA\uff09\u65b9\u6848\u81f3\u5173\u91cd\u8981\u3002\u4f20\u7edf\u7684\u5355\u4e00 MySQL \u5b9e\u4f8b\u5bb9\u6613\u6210\u4e3a\u6027\u80fd\u74f6\u9888\uff0c\u4e00\u65e6\u51fa\u73b0\u6545\u969c\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u5c31\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u8bbe\u8ba1\u9ad8\u53ef\u7528\u7684 MySQL \u96c6\u7fa4\u67b6\u6784\u662f\u4fdd\u8bc1\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u3002 <strong>\u5e38\u89c1\u7684\u9ad8\u53ef\u7528\u6027\u67b6\u6784<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4e3b\u4ece\u590d\u5236\uff08Master-Slave Replication\uff09<\/strong>\uff1a\u8fd9\u662f\u6700\u57fa\u7840\u7684\u9ad8\u53ef\u7528\u65b9\u6848\uff0c\u5176\u4e2d\u4e00\u4e2a\u4e3b\u5e93\u63d0\u4f9b\u5199\u64cd\u4f5c\uff0c\u591a\u4e2a\u4ece\u5e93\u7528\u4e8e\u8bfb\u53d6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u53cc\u4e3b\u590d\u5236\uff08Master-Master Replication\uff09<\/strong>\uff1a\u5141\u8bb8\u53cc\u5411\u6570\u636e\u540c\u6b65\uff0c\u589e\u5f3a\u4e86\u5199\u64cd\u4f5c\u7684\u8d1f\u8f7d\u5747\u8861\u548c\u5bb9\u9519\u80fd\u529b\uff0c\u4f46\u4e5f\u53ef\u80fd\u4f1a\u5f15\u5165\u6570\u636e\u51b2\u7a81\u95ee\u9898\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u57fa\u4e8e\u4ee3\u7406\u7684\u67b6\u6784<\/strong>\uff1a\u5982\u4f7f\u7528 ProxySQL\u3001MySQL Router \u7b49\u4ee3\u7406\u5c42\u6765\u7ba1\u7406\u8bfb\u5199\u5206\u79bb\u3001\u8d1f\u8f7d\u5747\u8861\u548c\u6545\u969c\u5207\u6362\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u4e0e\u76d1\u63a7<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\uff08\u5982 MHA\u3001Orchestrator\uff09\u6765\u5b9e\u73b0 MySQL \u7684\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff0c\u786e\u4fdd\u5728\u4e3b\u5e93\u6545\u969c\u65f6\u81ea\u52a8\u5207\u6362\u5230\u4ece\u5e93\u3002\u540c\u65f6\uff0c\u76d1\u63a7 MySQL \u7684\u72b6\u6001\uff0c\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u591a\u526f\u672c\u4e0e\u5206\u7247<\/strong>\uff1a\u7ed3\u5408\u5206\u7247\u6280\u672f\u548c\u591a\u526f\u672c\u65b9\u6848\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u9ad8\u7684\u6269\u5c55\u6027\u548c\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 MySQL Cluster \u6765\u5b9e\u73b0\u6570\u636e\u7684\u591a\u526f\u672c\u540c\u6b65\uff0c\u589e\u5f3a\u6570\u636e\u5e93\u7684\u5bb9\u707e\u80fd\u529b\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u8bfb\u5199\u5206\u79bb<\/strong>\uff1a\u5c06\u8bfb\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2a\u4ece\u5e93\u4e0a\uff0c\u51cf\u8f7b\u4e3b\u5e93\u7684\u538b\u529b\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u541e\u5410\u91cf\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528 ProxySQL \u6765\u5b9e\u73b0\u667a\u80fd\u7684\u8bfb\u5199\u5206\u79bb\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">16. <strong>\u67e5\u8be2\u4f18\u5316\u7684\u9ad8\u7ea7\u6280\u5de7\uff1a\u5982\u4f55\u901a\u8fc7\u6539\u5199 SQL \u6765\u4f18\u5316\u590d\u6742\u67e5\u8be2<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>\u867d\u7136\u7d22\u5f15\u662f\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u4f46\u5e76\u975e\u6240\u6709\u95ee\u9898\u90fd\u80fd\u901a\u8fc7\u7d22\u5f15\u89e3\u51b3\u3002\u6709\u65f6\u5019\uff0c\u67e5\u8be2\u7684\u590d\u6742\u6027\u53ef\u80fd\u5bfc\u81f4 MySQL \u65e0\u6cd5\u5229\u7528\u73b0\u6709\u7d22\u5f15\uff0c\u6216\u8005\u67e5\u8be2\u8ba1\u5212\u4e0d\u7406\u60f3\uff0c\u5bfc\u81f4\u6267\u884c\u901f\u5ea6\u8f83\u6162\u3002 <strong>\u5e38\u89c1\u7684\u67e5\u8be2\u6027\u80fd\u74f6\u9888<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u590d\u6742\u7684 JOIN \u64cd\u4f5c<\/strong>\uff1a\u591a\u4e2a\u8868\u7684 JOIN \u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4f4e\u4e0b\uff0c\u5c24\u5176\u662f\u5f53\u6ca1\u6709\u6709\u6548\u7d22\u5f15\u65f6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5b50\u67e5\u8be2\u4e0e\u5d4c\u5957\u67e5\u8be2<\/strong>\uff1a\u5b50\u67e5\u8be2\u6216\u5d4c\u5957\u67e5\u8be2\u53ef\u80fd\u5bfc\u81f4 MySQL \u6267\u884c\u5927\u91cf\u7684\u4e34\u65f6\u8868\u64cd\u4f5c\uff0c\u5f71\u54cd\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6392\u5e8f\u4e0e GROUP BY<\/strong>\uff1a\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\u7684 <code>ORDER BY<\/code> \u548c <code>GROUP BY<\/code> \u64cd\u4f5c\uff0cMySQL \u53ef\u80fd\u4f1a\u4f7f\u7528\u4e34\u65f6\u8868\uff0c\u8fdb\u800c\u5f71\u54cd\u6027\u80fd\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4f7f\u7528 JOIN \u66ff\u4ee3\u5b50\u67e5\u8be2<\/strong>\uff1a\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u5d4c\u5957\u7684\u5b50\u67e5\u8be2\uff0c\u7279\u522b\u662f\u5728 WHERE \u6216 HAVING \u5b50\u53e5\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 JOIN \u6765\u4f18\u5316\u67e5\u8be2\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u4f18\u5316 <code>GROUP BY<\/code> \u548c <code>ORDER BY<\/code><\/strong>\uff1a\u5f53\u5bf9\u5927\u6570\u636e\u91cf\u7684\u5217\u8fdb\u884c\u6392\u5e8f\u6216\u5206\u7ec4\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u8986\u76d6\u7d22\u5f15\uff08\u5373\u67e5\u8be2\u7684\u5217\u5df2\u7ecf\u5305\u542b\u5728\u7d22\u5f15\u4e2d\uff09\u6765\u907f\u514d\u6392\u5e8f\u64cd\u4f5c\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u907f\u514d\u4f7f\u7528 SELECT *\uff0c\u53ea\u9009\u62e9\u5fc5\u8981\u7684\u5217<\/strong>\uff1a\u5728 SELECT \u67e5\u8be2\u4e2d\uff0c\u53ea\u9009\u62e9\u9700\u8981\u7684\u5217\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 <code>*<\/code> \u6765\u67e5\u8be2\u6240\u6709\u5217\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u67e5\u8be2\u65f6\u7684\u6570\u636e\u4f20\u8f93\u91cf\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">17. <strong>MySQL \u5185\u90e8\u673a\u5236\u4e0e\u8c03\u4f18\uff1a\u5982\u4f55\u5229\u7528 MySQL \u5185\u90e8\u7684\u53c2\u6570\u4f18\u5316\u6027\u80fd<\/strong><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6df1\u5165\u5256\u6790<\/strong>\uff1a<br \/>MySQL \u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u914d\u7f6e\u53c2\u6570\u6765\u8c03\u8282\u6570\u636e\u5e93\u7684\u884c\u4e3a\uff0c\u5408\u7406\u7684\u53c2\u6570\u914d\u7f6e\u80fd\u591f\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\uff0c\u7279\u522b\u662f\u5728\u9ad8\u8d1f\u8f7d\u3001\u9ad8\u5e76\u53d1\u7684\u73af\u5883\u4e0b\u3002\u7406\u89e3\u548c\u4f18\u5316\u8fd9\u4e9b\u5185\u90e8\u53c2\u6570\u5bf9\u4e8e MySQL \u8c03\u4f18\u81f3\u5173\u91cd\u8981\u3002 <strong>\u4e00\u4e9b\u91cd\u8981\u7684\u914d\u7f6e\u53c2\u6570<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong><code>innodb_buffer_pool_size<\/code><\/strong>\uff1a\u63a7\u5236 InnoDB \u4f7f\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u8fc7\u5c0f\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684\u78c1\u76d8 I\/O\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong><code>max_connections<\/code><\/strong>\uff1a\u63a7\u5236 MySQL \u80fd\u540c\u65f6\u5904\u7406\u7684\u8fde\u63a5\u6570\uff0c\u8fc7\u5927\u7684\u8fde\u63a5\u6570\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u8017\u5c3d\uff0c\u8fc7\u5c0f\u5219\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u88ab\u62d2\u7edd\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong><code>query_cache_size<\/code><\/strong>\uff1a\u63a7\u5236\u67e5\u8be2\u7f13\u5b58\u7684\u5927\u5c0f\uff0c\u867d\u7136 MySQL 8.0 \u5df2\u5e9f\u5f03\u67e5\u8be2\u7f13\u5b58\uff0c\u4f46\u5728 5.x \u7248\u672c\u4e2d\uff0c\u5408\u7406\u914d\u7f6e\u53ef\u4ee5<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4f18\u5316\u5efa\u8bae<\/strong>\uff1a\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6839\u636e\u786c\u4ef6\u8c03\u6574\u53c2\u6570<\/strong>\uff1a\u6839\u636e\u670d\u52a1\u5668\u7684\u5185\u5b58\u3001CPU \u6838\u6570\u548c\u78c1\u76d8\u7c7b\u578b\u7b49\u786c\u4ef6\u914d\u7f6e\uff0c\u8c03\u6574 MySQL \u7684\u53c2\u6570\u3002\u6bd4\u5982\uff0c\u5185\u5b58\u8f83\u5927\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u5c06 <code>innodb_buffer_pool_size<\/code> \u8c03\u5f97\u66f4\u5927\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5b9a\u671f\u68c0\u67e5\u6027\u80fd\u6a21\u5f0f<\/strong>\uff1a\u4f7f\u7528 <code>SHOW VARIABLES<\/code> \u548c <code>SHOW STATUS<\/code> \u547d\u4ee4\u5b9a\u671f\u68c0\u67e5 MySQL \u914d\u7f6e\u548c\u72b6\u6001\uff0c\u786e\u4fdd\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u8fdb\u884c\u5fc5\u8981\u7684\u53c2\u6570\u8c03\u6574\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5e94\u7528\u76d1\u63a7\u548c\u8c03\u4f18\u5de5\u5177<\/strong>\uff1a\u501f\u52a9 Percona Toolkit\u3001MySQL Enterprise Monitor \u7b49\u76d1\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u68c0\u67e5 MySQL \u7684\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u6839\u636e\u76d1\u63a7\u6570\u636e\u8fdb\u884c\u8c03\u6574\u3002<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5bf9 MySQL \u5185\u90e8\u673a\u5236\u3001\u5b58\u50a8\u5f15\u64ce\u3001\u67e5\u8be2\u4f18\u5316\u3001\u9ad8\u53ef\u7528\u6027\u3001\u8de8\u5730\u57df\u90e8\u7f72\u7b49\u591a\u4e2a\u9886\u57df\u7684\u6df1\u5165\u5206\u6790\u548c\u4f18\u5316\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u5b9e\u9645\u8fd0\u7ef4\u4e2d\u5b9e\u73b0\u7cfb\u7edf\u7684\u9ad8\u6548\u3001\u9ad8\u53ef\u7528\u4e0e\u9ad8\u6027\u80fd\u3002\u6bcf\u4e2a\u9886\u57df\u7684\u4f18\u5316\u90fd\u6709\u5176\u72ec\u7279\u7684\u6311\u6218\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u3001\u6570\u636e\u89c4\u6a21\u548c\u67b6\u6784\u8bbe\u8ba1\u505a\u51fa\u6709\u9488\u5bf9\u6027\u7684\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f00\u53d1 MySQL \u5e94\u7528\u65f6\uff0c\u5f00\u53d1\u8005\u5e38\u9047\u5230\u4e00\u4e9b\u8bef\u533a\u6216\u95ee\u9898\uff0c\u90a3\u6211\u4eec\u6765\u66f4\u6df1\u5165\u5730\u5256\u6790\u4e00\u4e0b\u8fd9\u4e9b\u95ee\u9898\uff0c\u5e76\u4e14\u63a2\u8ba8\u80cc\u540e\u7684\u539f\u56e0\u3001 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-1652","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1652"}],"version-history":[{"count":3,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1652\/revisions"}],"predecessor-version":[{"id":1656,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1652\/revisions\/1656"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}