{"id":189706,"date":"2024-11-12T09:00:12","date_gmt":"2024-11-12T01:00:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189706\/"},"modified":"2024-11-12T09:00:13","modified_gmt":"2024-11-12T01:00:13","slug":"%e5%ae%8c%e7%88%8690%e7%9a%84%e6%80%a7%e8%83%bd%e6%af%9b%e7%97%85%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e5%85%ab%e5%a4%a7%e9%80%9a%e7%94%a8%e7%b5%95%e6%8b%9b%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189706\/","title":{"rendered":"\u5b8c\u720690%\u7684\u6027\u80fd\u6bdb\u75c5\uff0c\u6578\u64da\u5eab\u512a\u5316\u516b\u5927\u901a\u7528\u7d55\u62db\uff01"},"content":{"rendered":"<h1 id=\"%e5%ae%8c%e7%88%8690%e7%9a%84%e6%80%a7%e8%83%bd%e6%af%9b%e7%97%85%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e5%85%ab%e5%a4%a7%e9%80%9a%e7%94%a8%e7%b5%95%e6%8b%9b%ef%bc%81-KbEfisKorA\">\u5b8c\u720690%\u7684\u6027\u80fd\u6bdb\u75c5\uff0c\u6578\u64da\u5eab\u512a\u5316\u516b\u5927\u901a\u7528\u7d55\u62db\uff01<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u3001\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u9084\u662f\u4f01\u696d\u5167\u90e8\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u7684\u512a\u5316\u90fd\u80fd\u986f\u8457\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u516b\u5927\u901a\u7528\u7684\u6578\u64da\u5eab\u512a\u5316\u6280\u5de7\uff0c\u5e6b\u52a9\u60a8\u5b8c\u720690%\u7684\u6027\u80fd\u6bdb\u75c5\u3002<\/p>\n<h2 id=\"1-%e9%81%a9%e7%95%b6%e7%9a%84%e7%b4%a2%e5%bc%95%e8%a8%ad%e8%a8%88-KbEfisKorA\">1. \u9069\u7576\u7684\u7d22\u5f15\u8a2d\u8a08<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\u7684\u95dc\u9375\u3002\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002\u5efa\u8b70\u5728\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u4f46\u8981\u6ce8\u610f\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\u3002<\/p>\n<pre><code>CREATE INDEX idx_user_email ON users(email);<\/code><\/pre>\n<h2 id=\"2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-KbEfisKorA\">2. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u512a\u5316SQL\u67e5\u8a62\u662f\u63d0\u5347\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5217\u3002<\/p>\n<pre><code>EXPLAIN SELECT name, email FROM users WHERE status = 'active';<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%ad%a3%e8%a6%8f%e5%8c%96-KbEfisKorA\">3. \u6578\u64da\u5eab\u6b63\u898f\u5316<\/h2>\n<p>\u6b63\u898f\u5316\u53ef\u4ee5\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5b58\u5132\u9700\u6c42\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u8868\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93-KbEfisKorA\">4. \u4f7f\u7528\u7de9\u5b58\u6280\u8853<\/h2>\n<p>\u7de9\u5b58\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u67e5\u8a62\u8ca0\u64d4\u3002\u4f7f\u7528Redis\u6216Memcached\u7b49\u7de9\u5b58\u6280\u8853\uff0c\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u52a0\u5feb\u8b80\u53d6\u901f\u5ea6\u3002<\/p>\n<pre><code>SET user:1000 '{\"name\": \"John\", \"email\": \"john@example.com\"}';<\/code><\/pre>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a-KbEfisKorA\">5. \u5b9a\u671f\u6e05\u7406\u6578\u64da<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6548\u7387\u3002<\/p>\n<h2 id=\"6-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-KbEfisKorA\">6. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u8abf\u6574\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u5982\u7de9\u885d\u5340\u5927\u5c0f\u3001\u9023\u63a5\u6578\u91cf\u7b49\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u6bcf\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u6709\u5176\u7279\u5b9a\u7684\u6700\u4f73\u914d\u7f6e\uff0c\u5efa\u8b70\u53c3\u8003\u5b98\u65b9\u6587\u6a94\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"7-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e6%8a%80%e8%a1%93-KbEfisKorA\">7. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u4e26\u63d0\u9ad8\u7ba1\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"8-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%80%a7%e8%83%bd-KbEfisKorA\">8. \u76e3\u63a7\u548c\u5206\u6790\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982Prometheus\u6216Grafana\uff0c\u5b9a\u671f\u5206\u6790\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KbEfisKorA\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4ee5\u4e0a\u516b\u5927\u901a\u7528\u7d55\u62db\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u6539\u5584\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u7121\u8ad6\u60a8\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u60a8\u89e3\u6c7a\u6027\u80fd\u554f\u984c\uff0c\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u6d41\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u516b\u5927\u6578\u64da\u5eab\u512a\u5316\u6280\u5de7\uff0c\u8f15\u9b06\u89e3\u6c7a90%\u7684\u6027\u80fd\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u8b93\u6578\u64da\u8655\u7406\u66f4\u6d41\u66a2\uff01<\/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-189706","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189706","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=189706"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189706\/revisions"}],"predecessor-version":[{"id":189707,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189706\/revisions\/189707"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}