{"id":58329,"date":"2024-10-12T19:54:14","date_gmt":"2024-10-12T11:54:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58329\/"},"modified":"2024-10-12T19:54:14","modified_gmt":"2024-10-12T11:54:14","slug":"acm%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e9%81%8e%e6%85%a2%ef%bc%9a%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%ef%bc%9f-acm%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e5%a4%aa%e6%85%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58329\/","title":{"rendered":"ACM\u6578\u64da\u5eab\u8a2a\u554f\u904e\u6162\uff1a\u5982\u4f55\u512a\u5316\uff1f (acm\u6578\u64da\u5eab\u8a2a\u554f\u592a\u6162)"},"content":{"rendered":"<h1 id=\"acm%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e9%81%8e%e6%85%a2%ef%bc%9a%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%ef%bc%9f-QVLWOiUcLz\">ACM\u6578\u64da\u5eab\u8a2a\u554f\u904e\u6162\uff1a\u5982\u4f55\u512a\u5316\uff1f<\/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\u7279\u5225\u662f\u5728\u4f7f\u7528ACM\uff08\u81ea\u52d5\u5316\u5167\u5bb9\u7ba1\u7406\uff09\u7cfb\u7d71\u6642\uff0c\u6578\u64da\u5eab\u7684\u8a2a\u554f\u901f\u5ea6\u53ef\u80fd\u6703\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u548c\u696d\u52d9\u904b\u71df\u3002\u672c\u6587\u5c07\u63a2\u8a0eACM\u6578\u64da\u5eab\u8a2a\u554f\u904e\u6162\u7684\u539f\u56e0\u53ca\u5176\u512a\u5316\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"acm%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e9%81%8e%e6%85%a2%e7%9a%84%e5%8e%9f%e5%9b%a0-QVLWOiUcLz\">ACM\u6578\u64da\u5eab\u8a2a\u554f\u904e\u6162\u7684\u539f\u56e0<\/h2>\n<p>\u6578\u64da\u5eab\u8a2a\u554f\u901f\u5ea6\u6162\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff1a<\/strong>\u4e0d\u7576\u7684SQL\u67e5\u8a62\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u6027\u80fd\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u672a\u4f7f\u7528\u7d22\u5f15\u7684\u67e5\u8a62\u6703\u589e\u52a0\u6578\u64da\u6aa2\u7d22\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\u4e0d\u7576\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u7684\u7d50\u69cb\u4e0d\u5408\u7406\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5197\u9918\u6578\u64da\u548c\u4e0d\u5fc5\u8981\u7684\u8907\u96dc\u6027\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u4f3a\u670d\u5668\u7684CPU\u3001\u5167\u5b58\u548c\u5b58\u5132\u7a7a\u9593\u4e0d\u8db3\u6703\u76f4\u63a5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u4e26\u767c\u8a2a\u554f\u91cf\u904e\u9ad8\uff1a<\/strong>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7af6\u722d\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u5247\u6703\u5c0e\u81f4\u8a2a\u554f\u901f\u5ea6\u8b8a\u6162\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96acm%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%aa%e5%95%8f%e9%80%9f%e5%ba%a6%e7%9a%84%e6%96%b9%e6%b3%95-QVLWOiUcLz\">\u512a\u5316ACM\u6578\u64da\u5eab\u8a2a\u554f\u901f\u5ea6\u7684\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8ACM\u6578\u64da\u5eab\u7684\u8a2a\u554f\u901f\u5ea6\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u512a\u5316\u63aa\u65bd\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96sql%e6%9f%a5%e8%a9%a2-QVLWOiUcLz\">1. \u512a\u5316SQL\u67e5\u8a62<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u7684SQL\u67e5\u8a62\u90fd\u7d93\u904e\u512a\u5316\u3002\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM users WHERE age &gt; 30;<\/code><\/pre>\n<p>\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u53ef\u4ee5\u78ba\u5b9a\u662f\u5426\u9700\u8981\u6dfb\u52a0\u7d22\u5f15\u6216\u91cd\u5beb\u67e5\u8a62\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-QVLWOiUcLz\">2. \u4f7f\u7528\u7d22\u5f15<\/h3>\n<p>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u6dfb\u52a0\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u7d22\u5f15\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u6383\u63cf\u6574\u500b\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_age ON users(age);<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b%e5%84%aa%e5%8c%96-QVLWOiUcLz\">3. \u6578\u64da\u5eab\u7d50\u69cb\u512a\u5316<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u7d50\u69cb\uff0c\u78ba\u4fdd\u5176\u7b26\u5408\u6b63\u898f\u5316\u539f\u5247\uff0c\u4e26\u6d88\u9664\u5197\u9918\u6578\u64da\u3002\u9019\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u7684\u4f7f\u7528\u3002<\/p>\n<h3 id=\"4-%e5%a2%9e%e5%8a%a0%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90-QVLWOiUcLz\">4. \u589e\u52a0\u786c\u9ad4\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u5347\u7d1aCPU\u3001\u589e\u52a0\u5167\u5b58\u6216\u4f7f\u7528\u66f4\u5feb\u7684\u5b58\u5132\u8a2d\u5099\uff08\u5982SSD\uff09\u3002\u9019\u4e9b\u6539\u9032\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93-QVLWOiUcLz\">5. \u4f7f\u7528\u7de9\u5b58\u6280\u8853<\/h3>\n<p>\u5be6\u65bd\u7de9\u5b58\u6280\u8853\uff08\u5982Redis\u6216Memcached\uff09\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u7de9\u5b58\u5e38\u7528\u7684\u67e5\u8a62\u7d50\u679c\uff0c\u80fd\u5920\u5feb\u901f\u97ff\u61c9\u7528\u6236\u8acb\u6c42\u3002<\/p>\n<h3 id=\"6-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-QVLWOiUcLz\">6. \u76e3\u63a7\u548c\u8abf\u6574<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4f7f\u7528\u5de5\u5177\u5982MySQL\u7684\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u8abf\u6574\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u59cb\u7d42\u4fdd\u6301\u6700\u4f73\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QVLWOiUcLz\">\u7e3d\u7d50<\/h2>\n<p>ACM\u6578\u64da\u5eab\u8a2a\u554f\u904e\u6162\u7684\u554f\u984c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u9032\u884c\u512a\u5316\uff0c\u5305\u62ec\u512a\u5316SQL\u67e5\u8a62\u3001\u4f7f\u7528\u7d22\u5f15\u3001\u6539\u5584\u6578\u64da\u5eab\u7d50\u69cb\u3001\u589e\u52a0\u786c\u9ad4\u8cc7\u6e90\u3001\u5be6\u65bd\u7de9\u5b58\u6280\u8853\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u6574\u3002\u9019\u4e9b\u63aa\u65bd\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\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>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u8cc7\u6e90\u914d\u7f6e\u548c\u6027\u80fd\u8868\u73fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u512a\u5316ACM\u6578\u64da\u5eab\u8a2a\u554f\u901f\u5ea6\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u89e3\u6c7a\u8a2a\u554f\u904e\u6162\u7684\u554f\u984c\uff0c\u8b93\u7814\u7a76\u66f4\u9ad8\u6548\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-58329","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58329","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=58329"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58329\/revisions"}],"predecessor-version":[{"id":58330,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58329\/revisions\/58330"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}