{"id":194225,"date":"2024-11-13T04:53:18","date_gmt":"2024-11-12T20:53:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194225\/"},"modified":"2024-11-13T04:53:19","modified_gmt":"2024-11-12T20:53:19","slug":"%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e6%95%99%e7%a8%8b%ef%bc%88%e6%80%8e%e9%ba%bc%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194225\/","title":{"rendered":"\u79fb\u52d5\u6578\u64da\u5eab\u5b9a\u6642\u95dc\u9589\u6559\u7a0b\uff08\u600e\u9ebc\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e6%95%99%e7%a8%8b%ef%bc%88%e6%80%8e%e9%ba%bc%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a-XHPQSqsdsM\">\u79fb\u52d5\u6578\u64da\u5eab\u5b9a\u6642\u95dc\u9589\u6559\u7a0b\uff08\u600e\u9ebc\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\uff09<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u79fb\u52d5\u6578\u64da\u5eab\u7684\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u7bc0\u7701\u8cc7\u6e90\u9084\u662f\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\u90fd\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u9805\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-XHPQSqsdsM\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\u7684\u539f\u56e0\u6709\u5f88\u591a\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u7701\u8cc7\u6e90\uff1a<\/strong>\u5728\u4e0d\u9700\u8981\u4f7f\u7528\u6578\u64da\u5eab\u7684\u6642\u5019\u95dc\u9589\u5b83\uff0c\u53ef\u4ee5\u7bc0\u7701\u4f3a\u670d\u5668\u7684\u8a08\u7b97\u8cc7\u6e90\u548c\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a<\/strong>\u5b9a\u6642\u95dc\u9589\u6578\u64da\u5eab\u53ef\u4ee5\u6e1b\u5c11\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\uff0c\u7279\u5225\u662f\u5728\u4e0d\u6d3b\u8e8d\u7684\u6642\u9593\u6bb5\u3002<\/li>\n<li><strong>\u7dad\u8b77\u548c\u66f4\u65b0\uff1a<\/strong>\u5b9a\u6642\u95dc\u9589\u6578\u64da\u5eab\u53ef\u4ee5\u70ba\u7dad\u8b77\u548c\u66f4\u65b0\u63d0\u4f9b\u4e00\u500b\u5408\u9069\u7684\u7a97\u53e3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%ae%9a%e6%99%82%e9%97%9c%e9%96%89%e7%a7%bb%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab-XHPQSqsdsM\">\u5982\u4f55\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\u7684\u5177\u9ad4\u6b65\u9a5f\u53d6\u6c7a\u65bc\u60a8\u4f7f\u7528\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u5b9a\u6642\u95dc\u9589\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-cron-%e4%bb%bb%e5%8b%99%ef%bc%88linux-%e7%b3%bb%e7%b5%b1%ef%bc%89-XHPQSqsdsM\">1. \u4f7f\u7528 Cron \u4efb\u52d9\uff08Linux \u7cfb\u7d71\uff09<\/h3>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Cron \u4efb\u52d9\u4f86\u5b9a\u6642\u57f7\u884c\u95dc\u9589\u6578\u64da\u5eab\u7684\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e Cron \u4efb\u52d9\u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>crontab -e<\/code><\/pre>\n<p>\u7136\u5f8c\u6dfb\u52a0\u4ee5\u4e0b\u884c\u4f86\u8a2d\u7f6e\u5b9a\u6642\u95dc\u9589\u6578\u64da\u5eab\u7684\u4efb\u52d9\uff1a<\/p>\n<pre><code>0 2 * * * \/usr\/bin\/mysqladmin -u root -p shutdown<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5728\u6bcf\u5929\u7684\u51cc\u6668 2 \u9ede\u95dc\u9589 MySQL \u6578\u64da\u5eab\u3002\u8acb\u6839\u64da\u60a8\u7684\u6578\u64da\u5eab\u7528\u6236\u540d\u548c\u5bc6\u78bc\u9032\u884c\u76f8\u61c9\u7684\u4fee\u6539\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-windows-%e4%bb%bb%e5%8b%99%e8%a8%88%e5%8a%83%e7%a8%8b%e5%ba%8f-XHPQSqsdsM\">2. \u4f7f\u7528 Windows \u4efb\u52d9\u8a08\u5283\u7a0b\u5e8f<\/h3>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f Windows \u7cfb\u7d71\uff0c\u53ef\u4ee5\u4f7f\u7528\u4efb\u52d9\u8a08\u5283\u7a0b\u5e8f\u4f86\u5b9a\u6642\u95dc\u9589\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u6253\u958b\u4efb\u52d9\u8a08\u5283\u7a0b\u5e8f\u3002<\/li>\n<li>\u9078\u64c7\u201c\u5275\u5efa\u57fa\u672c\u4efb\u52d9\u201d\u3002<\/li>\n<li>\u8a2d\u7f6e\u4efb\u52d9\u540d\u7a31\u548c\u63cf\u8ff0\u3002<\/li>\n<li>\u9078\u64c7\u89f8\u767c\u5668\uff08\u4f8b\u5982\uff0c\u6bcf\u5929\uff09\u3002<\/li>\n<li>\u8a2d\u7f6e\u6642\u9593\u548c\u983b\u7387\u3002<\/li>\n<li>\u9078\u64c7\u201c\u555f\u52d5\u7a0b\u5e8f\u201d\uff0c\u7136\u5f8c\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ol>\n<pre><code>C:pathtomysqladmin.exe -u root -p shutdown<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u95dc\u9589\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e9%83%a8%e5%8a%9f%e8%83%bd-XHPQSqsdsM\">3. \u4f7f\u7528\u6578\u64da\u5eab\u5167\u90e8\u529f\u80fd<\/h3>\n<p>\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u5167\u90e8\u529f\u80fd\u4f86\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\u3002\u4f8b\u5982\uff0c\u5728 PostgreSQL \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 pg_cron \u64f4\u5c55\u4f86\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 pg_cron \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT cron.schedule('0 2 * * *', 'SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = ''your_database_name'';');<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5728\u6bcf\u5929\u7684\u51cc\u6668 2 \u9ede\u95dc\u9589\u6307\u5b9a\u7684 PostgreSQL \u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-XHPQSqsdsM\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u95dc\u9589\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u6240\u6709\u7684\u7528\u6236\u90fd\u5df2\u7d93\u767b\u51fa\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u6e2c\u8a66\u5b9a\u6642\u4efb\u52d9\uff0c\u78ba\u4fdd\u5176\u6309\u9810\u671f\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XHPQSqsdsM\">\u7e3d\u7d50<\/h2>\n<p>\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\u662f\u4e00\u500b\u6709\u6548\u7684\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7bc0\u7701\u8cc7\u6e90\u548c\u63d0\u9ad8\u5b89\u5168\u6027\u3002\u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662f Linux \u9084\u662f Windows \u7cfb\u7d71\uff0c\u90fd\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e Cron \u4efb\u52d9\u6216\u4efb\u52d9\u8a08\u5283\u7a0b\u5e8f\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002\u5c0d\u65bc\u4f7f\u7528 PostgreSQL \u7684\u7528\u6236\uff0cpg_cron \u64f4\u5c55\u63d0\u4f9b\u4e86\u53e6\u4e00\u7a2e\u4fbf\u6377\u7684\u9078\u64c7\u3002\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7684\u904b\u884c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5b9a\u6642\u95dc\u9589\u79fb\u52d5\u6578\u64da\u5eab\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u8a2d\u7f6e\u81ea\u52d5\u95dc\u9589\uff0c\u63d0\u5347\u6578\u64da\u5b89\u5168\u8207\u7ba1\u7406\u6548\u7387\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-194225","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194225","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=194225"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194225\/revisions"}],"predecessor-version":[{"id":194226,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194225\/revisions\/194226"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}