{"id":200495,"date":"2025-05-06T10:44:33","date_gmt":"2025-05-06T02:44:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200495\/"},"modified":"2025-05-06T10:44:33","modified_gmt":"2025-05-06T02:44:33","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-mysql-%e7%bb%9f%e8%ae%a1%e6%af%8f%e4%b8%aa%e7%9b%91%e6%b5%8b%e5%af%b9%e8%b1%a1%e8%a7%a3%e6%9e%90%e5%a4%b1%e8%b4%a5%e7%8e%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200495\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 MySQL \u7edf\u8ba1\u6bcf\u4e2a\u76d1\u6d4b\u5bf9\u8c61\u89e3\u6790\u5931\u8d25\u7387\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528 MySQL \u7edf\u8ba1\u6bcf\u4e2a\u76d1\u6d4b\u5bf9\u8c61\u89e3\u6790\u5931\u8d25\u7387\uff1f<\/h1>\n

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300a\u5982\u4f55\u4f7f\u7528 MySQL \u7edf\u8ba1\u6bcf\u4e2a\u76d1\u6d4b\u5bf9\u8c61\u89e3\u6790\u5931\u8d25\u7387\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

<\/p>\n

mysql \u5206\u7ec4\u7edf\u8ba1\u89e3\u6790\u5931\u8d25\u7387<\/h2>\n

\u95ee\u9898\u63cf\u8ff0<\/strong><\/p>\n

\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a parse_monitoring \u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u89e3\u6790\u8fc7\u7a0b\u7684\u76d1\u6d4b\u4fe1\u606f\u3002\u8868\u4e2d\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n

    \n
  • id\uff1a\u81ea\u589e\u4e3b\u952e<\/li>\n
  • track_source_id\uff1a\u76d1\u6d4b\u5bf9\u8c61\u7684 id<\/li>\n
  • is_parsed\uff1a\u89e3\u6790\u6210\u529f\u72b6\u6001\uff080 \u8868\u793a\u5931\u8d25\uff0c1 \u8868\u793a\u6210\u529f\uff09<\/li>\n
  • parsed_at\uff1a\u89e3\u6790\u65f6\u95f4<\/li>\n<\/ul>\n

    \u9700\u6c42<\/strong><\/p>\n

    \u9700\u8981\u7edf\u8ba1\u6bcf\u4e2a track_source_id \u7684\u89e3\u6790\u5931\u8d25\u7387\u3002<\/p>\n

    \u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

    \u8981\u7edf\u8ba1\u89e3\u6790\u5931\u8d25\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b sql \u67e5\u8be2\uff1a<\/p>\n

    SELECT track_source_id, 1 - SUM(is_parsed) \/ COUNT(*) AS failure_rate\nFROM parse_monitoring\nGROUP BY track_source_id<\/pre>\n
    \u67e5\u8be2\u5256\u6790<\/strong><\/p>\n
      \n
    • group by track_source_id\uff1a\u5c06\u7ed3\u679c\u6309 track_source_id \u5206\u7ec4\uff0c\u5206\u522b\u8ba1\u7b97\u6bcf\u4e2a\u5206\u7ec4\u4e2d\u7684\u5931\u8d25\u7387\u3002<\/li>\n
    • sum(is_parsed) \/ count(*)\uff1a\u8ba1\u7b97\u6bcf\u4e2a\u5206\u7ec4\u4e2d\u89e3\u6790\u6210\u529f\u7684\u5360\u6bd4\uff0c\u518d\u7528 1 \u51cf\u53bb\u8be5\u5360\u6bd4\u5373\u53ef\u5f97\u5230\u5931\u8d25\u7387\u3002<\/li>\n<\/ul>\n
      \u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 MySQL \u7edf\u8ba1\u6bcf\u4e2a\u76d1\u6d4b\u5bf9\u8c61\u89e3\u6790\u5931\u8d25\u7387\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
      \n
      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u4f7f\u7528 MySQL \u7edf\u8ba1\u6bcf\u4e2a\u76d1...<\/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-200495","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200495","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=200495"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200495\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}