{"id":75554,"date":"2024-10-15T23:46:39","date_gmt":"2024-10-15T15:46:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75554\/"},"modified":"2024-10-15T23:46:39","modified_gmt":"2024-10-15T15:46:39","slug":"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e6%85%a2%ef%bc%8c%e9%99%a4%e4%ba%86%e7%b4%a2%e5%bc%95%e5%95%8f%e9%a1%8c%e9%82%84%e5%8f%af%e8%83%bd%e6%98%af%e4%bb%80%e9%ba%bc%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75554\/","title":{"rendered":"MySQL \u6578\u64da\u5eab\u67e5\u8a62\u6162\uff0c\u9664\u4e86\u7d22\u5f15\u554f\u984c\u9084\u53ef\u80fd\u662f\u4ec0\u9ebc\u539f\u56e0\uff1f"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e6%85%a2%ef%bc%8c%e9%99%a4%e4%ba%86%e7%b4%a2%e5%bc%95%e5%95%8f%e9%a1%8c%e9%82%84%e5%8f%af%e8%83%bd%e6%98%af%e4%bb%80%e9%ba%bc%e5%8e%9f%e5%9b%a0-jrVMRFLJNT\">MySQL \u6578\u64da\u5eab\u67e5\u8a62\u6162\uff0c\u9664\u4e86\u7d22\u5f15\u554f\u984c\u9084\u53ef\u80fd\u662f\u4ec0\u9ebc\u539f\u56e0\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u67e5\u8a62\u901f\u5ea6\u6162\u662f\u8a31\u591a\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u5e38\u5e38\u9762\u81e8\u7684\u554f\u984c\u3002\u96d6\u7136\u7d22\u5f15\u554f\u984c\u662f\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\uff0c\u4f46\u9084\u6709\u8a31\u591a\u5176\u4ed6\u56e0\u7d20\u4e5f\u53ef\u80fd\u5f71\u97ff\u67e5\u8a62\u7684\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u6f5b\u5728\u7684\u539f\u56e0\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u5168\u9762\u5730\u7406\u89e3 MySQL \u67e5\u8a62\u6027\u80fd\u7684\u5f71\u97ff\u56e0\u7d20\u3002<\/p>\n<h2 id=\"1-%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e7%9a%84%e8%a8%ad%e8%a8%88-jrVMRFLJNT\">1. \u67e5\u8a62\u8a9e\u53e5\u7684\u8a2d\u8a08<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u8a2d\u8a08\u5c0d\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u8907\u96dc\u7684\u67e5\u8a62\u8a9e\u53e5\uff0c\u7279\u5225\u662f\u5305\u542b\u591a\u500b\u806f\u63a5\uff08JOIN\uff09\u3001\u5b50\u67e5\u8a62\u6216\u805a\u5408\u51fd\u6578\u7684\u67e5\u8a62\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528 SELECT *\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u9700\u8981\u7684\u5217\u3002<\/li>\n<li>\u4f7f\u7528 WHERE \u5b50\u53e5\u904e\u6ffe\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528 EXISTS \u800c\u4e0d\u662f IN\uff0c\u7279\u5225\u662f\u5728\u5b50\u67e5\u8a62\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-jrVMRFLJNT\">2. \u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u7d50\u69cb\u8a2d\u8a08\u4e5f\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u8a2d\u8a08\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\u8207\u53cd\u6b63\u898f\u5316\uff1a<\/strong>\u904e\u5ea6\u6b63\u898f\u5316\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u9700\u8981\u591a\u6b21\u806f\u63a5\uff0c\u800c\u53cd\u6b63\u898f\u5316\u5247\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5197\u9918\u3002\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u8a2d\u8a08\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u9078\u64c7\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u548c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 INT \u800c\u4e0d\u662f BIGINT \u4f86\u5b58\u5132\u6574\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90-jrVMRFLJNT\">3. \u786c\u9ad4\u8cc7\u6e90<\/h2>\n<p>\u786c\u9ad4\u8cc7\u6e90\u7684\u4e0d\u8db3\u4e5f\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9700\u8981\u8003\u616e\u7684\u786c\u9ad4\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>CPU\uff1a<\/strong>\u67e5\u8a62\u7684\u8a08\u7b97\u9700\u6c42\u53ef\u80fd\u6703\u8d85\u904e CPU \u7684\u8655\u7406\u80fd\u529b\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u5167\u5b58\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u7121\u6cd5\u5c07\u6578\u64da\u5b8c\u5168\u8f09\u5165\u5167\u5b58\uff0c\u5247\u6703\u983b\u7e41\u5730\u9032\u884c\u78c1\u789f I\/O \u64cd\u4f5c\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u78c1\u789f\u901f\u5ea6\uff1a<\/strong>\u4f7f\u7528 SSD \u800c\u4e0d\u662f\u50b3\u7d71 HDD \u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8-jrVMRFLJNT\">4. \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\u5e38\u898b\u7684\u914d\u7f6e\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size\uff1a<\/strong>\u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86 InnoDB \u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5927\u5c0f\u3002\u9069\u7576\u8abf\u6574\u9019\u500b\u53c3\u6578\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\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<\/li>\n<\/ul>\n<h2 id=\"5-%e9%8e%96%e5%ae%9a%e8%88%87%e6%ad%bb%e9%8e%96-jrVMRFLJNT\">5. \u9396\u5b9a\u8207\u6b7b\u9396<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0c\u9396\u5b9a\u548c\u6b7b\u9396\u554f\u984c\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u7576\u591a\u500b\u67e5\u8a62\u540c\u6642\u5617\u8a66\u8a2a\u554f\u76f8\u540c\u7684\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9396\u5b9a\u7af6\u722d\uff0c\u5f9e\u800c\u5c0e\u81f4\u67e5\u8a62\u5ef6\u9072\u3002\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\u548c\u67e5\u8a62\u512a\u5316\u53ef\u4ee5\u6e1b\u5c11\u9019\u4e9b\u554f\u984c\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"6-%e6%95%b8%e6%93%9a%e9%87%8f%e8%88%87%e5%88%86%e5%8d%80-jrVMRFLJNT\">6. \u6578\u64da\u91cf\u8207\u5206\u5340<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u8003\u616e\u4f7f\u7528\u6578\u64da\u5206\u5340\u6280\u8853\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u5206\u5340\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jrVMRFLJNT\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u6578\u64da\u5eab\u67e5\u8a62\u6027\u80fd\u7684\u554f\u984c\u4e0d\u50c5\u50c5\u662f\u7d22\u5f15\u554f\u984c\uff0c\u9084\u6d89\u53ca\u67e5\u8a62\u8a9e\u53e5\u8a2d\u8a08\u3001\u6578\u64da\u5eab\u7d50\u69cb\u3001\u786c\u9ad4\u8cc7\u6e90\u3001\u914d\u7f6e\u53c3\u6578\u3001\u9396\u5b9a\u554f\u984c\u4ee5\u53ca\u6578\u64da\u91cf\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u3002\u901a\u904e\u7d9c\u5408\u8003\u616e\u9019\u4e9b\u56e0\u7d20\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<p>\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\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e MySQL \u6578\u64da\u5eab\u67e5\u8a62\u7de9\u6162\u7684\u539f\u56e0\uff0c\u9664\u4e86\u7d22\u5f15\u554f\u984c\uff0c\u9084\u5305\u62ec\u914d\u7f6e\u3001\u6578\u64da\u91cf\u3001\u67e5\u8a62\u8a9e\u53e5\u53ca\u786c\u9ad4\u6027\u80fd\u7b49\u56e0\u7d20\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-75554","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75554","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=75554"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75554\/revisions"}],"predecessor-version":[{"id":75555,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75554\/revisions\/75555"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}