{"id":175561,"date":"2024-11-08T06:54:18","date_gmt":"2024-11-07T22:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175561\/"},"modified":"2024-11-08T06:54:19","modified_gmt":"2024-11-07T22:54:19","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e9%a1%a7%e5%95%8f%e7%9a%84%e9%80%9f%e5%ba%a6%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e9%a1%a7%e5%95%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175561\/","title":{"rendered":"\u5982\u4f55\u63d0\u9ad8\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u7684\u901f\u5ea6\uff1f (\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u597d\u6162\u554a)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e9%a1%a7%e5%95%8f%e7%9a%84%e9%80%9f%e5%ba%a6%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e9%a1%a7%e5%95%8f-AFGRntYGNo\">\u5982\u4f55\u63d0\u9ad8\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u7684\u901f\u5ea6\uff1f (\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u597d\u6162\u554a)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u7684\u901f\u5ea6\u76f4\u63a5\u5f71\u97ff\u5230\u6578\u64da\u67e5\u8a62\u7684\u6548\u7387\u548c\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u6642\u9593\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u63d0\u9ad8\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u7684\u901f\u5ea6\uff0c\u5e6b\u52a9\u4f01\u696d\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u5176\u6578\u64da\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"1-%e7%a2%ba%e5%ae%9a%e6%80%a7%e8%83%bd%e7%93%b6%e9%a0%b8-AFGRntYGNo\">1. \u78ba\u5b9a\u6027\u80fd\u74f6\u9838<\/h2>\n<p>\u9996\u5148\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u7684\u6027\u80fd\u74f6\u9838\u662f\u63d0\u9ad8\u901f\u5ea6\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u8b58\u5225\u554f\u984c\u6240\u5728\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>EXPLAIN<\/code>\u8a9e\u53e5\uff1a\u9019\u662f\u4e00\u500bSQL\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f60\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u54ea\u4e9b\u90e8\u5206\u9700\u8981\u512a\u5316\u3002<\/li>\n<li>\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff1a\u5982Prometheus\u3001Grafana\u7b49\uff0c\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\u3002<\/li>\n<\/ul>\n<p>\u901a\u904e\u9019\u4e9b\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u67e5\u8a62\u57f7\u884c\u6642\u9593\u3001\u9396\u5b9a\u60c5\u6cc1\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5f9e\u800c\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-AFGRntYGNo\">2. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u6548\u7387\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528<code>SELECT *<\/code>\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u8ca0\u64d4\u3002<\/li>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u689d\u4ef6\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5b50\u67e5\u8a62\uff0c\u4f7f\u7528\u806f\u63a5\uff08JOIN\uff09\u4f86\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u67e5\u8a62\u9700\u8981\u5f9e\u4e00\u500b\u5927\u578b\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM orders WHERE customer_id = 123;<\/code><\/pre>\n<p>\u53ef\u4ee5\u6539\u70ba\uff1a<\/p>\n<pre><code>SELECT order_id, order_date FROM orders WHERE customer_id = 123;<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e5%84%aa%e5%8c%96-AFGRntYGNo\">3. \u6578\u64da\u5eab\u8a2d\u8a08\u512a\u5316<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u4e5f\u6703\u5f71\u97ff\u5176\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u512a\u5316\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u6b63\u898f\u5316\uff1a\u901a\u904e\u6b63\u898f\u5316\u4f86\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5206\u5340\uff1a\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u6280\u8853\uff0c\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff1a\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u548c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e7%a1%ac%e9%ab%94%e5%8d%87%e7%b4%9a-AFGRntYGNo\">4. \u786c\u9ad4\u5347\u7d1a<\/h2>\n<p>\u5982\u679c\u6578\u64da\u5eab\u7684\u6027\u80fd\u4ecd\u7136\u4e0d\u7406\u60f3\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u786c\u9ad4\u5347\u7d1a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u589e\u52a0\u5167\u5b58\uff1a\u66f4\u591a\u7684\u5167\u5b58\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7de9\u5b58\u80fd\u529b\uff0c\u6e1b\u5c11\u78c1\u789fI\/O\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528SSD\uff1a\u56fa\u614b\u786c\u789f\uff08SSD\uff09\u6bd4\u50b3\u7d71\u786c\u789f\uff08HDD\uff09\u5177\u6709\u66f4\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\u3002<\/li>\n<li>\u8ca0\u8f09\u5747\u8861\uff1a\u901a\u904e\u589e\u52a0\u4f3a\u670d\u5668\u4f86\u5206\u64d4\u8ca0\u8f09\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7-AFGRntYGNo\">5. \u5b9a\u671f\u7dad\u8b77<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u4e5f\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u91cd\u8981\u63aa\u65bd\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u91cd\u5efa\u7d22\u5f15\uff1a\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9ad8\u6548\uff0c\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li>\u6e05\u7406\u904e\u671f\u6578\u64da\uff1a\u5b9a\u671f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7d71\u8a08\u4fe1\u606f\u662f\u6700\u65b0\u7684\uff0c\u4ee5\u4fbf\u512a\u5316\u5668\u80fd\u5920\u505a\u51fa\u66f4\u597d\u7684\u6c7a\u7b56\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AFGRntYGNo\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u9ad8\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u7684\u901f\u5ea6\u9700\u8981\u5f9e\u591a\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u78ba\u5b9a\u6027\u80fd\u74f6\u9838\u3001\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u3001\u8a2d\u8a08\u512a\u5316\u3001\u786c\u9ad4\u5347\u7d1a\u548c\u5b9a\u671f\u7dad\u8b77\u3002\u901a\u904e\u9019\u4e9b\u63aa\u65bd\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u696d\u52d9\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\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\u6578\u64da\u5eab\u9700\u6c42\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u63d0\u9ad8\u6578\u64da\u5eab\u512a\u5316\u9867\u554f\u901f\u5ea6\u7684\u6709\u6548\u7b56\u7565\uff0c\u63d0\u5347\u6548\u7387\uff0c\u7e2e\u77ed\u512a\u5316\u6642\u9593\uff0c\u8b93\u6578\u64da\u5eab\u904b\u884c\u66f4\u6d41\u66a2\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-175561","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175561","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=175561"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175561\/revisions"}],"predecessor-version":[{"id":175562,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175561\/revisions\/175562"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}