{"id":169220,"date":"2020-10-02T23:19:55","date_gmt":"2020-10-02T15:19:55","guid":{"rendered":"http:\/\/4563.org\/?p=169220"},"modified":"2020-10-02T23:19:55","modified_gmt":"2020-10-02T15:19:55","slug":"%e7%94%a8-prometheus-%e7%a2%b0%e5%88%b0%e4%b8%aa%e5%a5%87%e6%80%aa%e7%9a%84%e9%97%ae%e9%a2%98%ef%bc%8c%e7%99%be%e6%80%9d%e4%b8%8d%e5%be%97%e5%85%b6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=169220","title":{"rendered":"\u7528 Prometheus \u78b0\u5230\u4e2a\u5947\u602a\u7684\u95ee\u9898\uff0c\u767e\u601d\u4e0d\u5f97\u5176\u89e3"},"content":{"rendered":"
\n
\n
\n

\u7528 Prometheus \u78b0\u5230\u4e2a\u5947\u602a\u7684\u95ee\u9898\uff0c\u767e\u601d\u4e0d\u5f97\u5176\u89e3 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : HaroldChen <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

–\u95ee\u9898\uff1a\u544a\u8b66\u662f\u6b63\u5e38\u7684\uff0c\u6062\u590d\u544a\u8b66\u7684\u53d1\u9001\u4e0d\u6b63\u5e38\u3002<\/p>\n

\u4e3e\u4f8b\uff1a\u4ee5\u4e0b\u9762\u7684 cpu \u89c4\u5219\u4e3a\u4f8b\uff0c\u5982\u679c cpu \u8d85\u8fc7\u6240\u8bbe\u7684\u9608\u503c 90\uff0c\u662f\u80fd\u63a5\u5230\u544a\u8b66\u7684\u3002\u5982\u4e0b\uff1a<\/p>\n

\u00b7Status: firing<\/p>\n

\u00b7StartsAt: 2020-10-18T10:44:22.718516222Z<\/p>\n

\u00b7Discription: \u547d\u540d\u7a7a\u95f4 xx \u7684 pod xx-xx-testpod \u5f53\u524d\u7684 CPU \u4f7f\u7528\u7387\u5df2\u8fbe\u5230 99.89.<\/p>\n

\u4f46\u63a5\u5230\u544a\u8b66\u6062\u590d\u7684\u901a\u77e5\u65f6\uff0c\u6570\u503c\u5f80\u5f80\u5927\u4e8e 90%…\uff08\u4e5f\u6709\u6b63\u5e38\u7684\u6062\u590d\uff09<\/p>\n

\u00b7Status: resolved<\/p>\n

\u00b7StartsAt: 2020-10-18T10:44:22.718516222Z<\/p>\n

\u00b7Discription: \u547d\u540d\u7a7a\u95f4 xx \u7684 pod xx-xx-testpod \u5f53\u524d\u7684 CPU \u4f7f\u7528\u7387\u5df2\u8fbe\u5230 98.11.<\/p>\n

\u6309\u6211\u7684\u7406\u89e3 \u6062\u590d\u901a\u77e5\u53ea\u6709 cpu < 90 \u6301\u7eed resolve_timeout \u7684\u503c \u4e4b\u540e\u624d\u80fd\u89e6\u53d1\uff0c\u73b0\u5728\u662f\u54ea\u91cc\u914d\u7f6e\u6709\u95ee\u9898\u5417\uff1f<\/p>\n

    \n
  1. \n

    \u76f8\u5173\u7ec4\u4ef6\u90fd\u662f\u901a\u8fc7 kubernetes operator \u90e8\u7f72\u5728 k8s \u96c6\u7fa4\u4e2d\u7684\u3002<\/p>\n<\/li>\n

  2. \n

    PrometheusRule\uff1a<\/p>\n

      \n
    • \n

      alert: PodCPUOvercommit<\/p>\n

      description: \u547d\u540d\u7a7a\u95f4 {{ $labels.namespace }} \u7684 pod {{ $labels.pod }} \u5f53\u524d\u7684 CPU \u4f7f\u7528\u7387\u5df2\u8fbe\u5230 {{ printf “%.2f” $value }}.<\/p>\n

      expr: | 100 * (sum(rate(container_cpu_usage_seconds_total{namespace!~”monitoring”,container!=””}[1m])) by (pod,namespace) \/ sum(kube_pod_container_resource_limits_cpu_cores{namespace!~”monitoring”,container!=””}) by (pod,namespace)) > 90<\/p>\n

      for: 3m<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

    • \n

      alertmanager<\/p>\n<\/li>\n<\/ol>\n

      global:<\/p>\n

      resolve_timeout: 1m<\/p>\n

      route:<\/p>\n

      group_by: [‘alertname’]<\/p>\n

      group_wait: 10s<\/p>\n

      group_interval: 1m<\/p>\n

      repeat_interval: 12h<\/p>\n

      receiver: ‘webhook’<\/p>\n

      receivers:<\/p>\n

        \n
      • \n

        name: ‘webhook’<\/p>\n

        webhook_configs:<\/p>\n

          \n
        • \n

          url: ‘http:\/\/x.x.x.x:xx\/’<\/p>\n

          send_resolved: true<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul><\/div>\n

          \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (11<\/span>) <\/div>\n
          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
            \n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : cdlixucd <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            https:\/\/aleiwu.com\/post\/prometheus-alert-why\/
            \u7814\u7a76\u4e0b \u65e0\u610f\u770b\u5230\u7684 \u867d\u7136\u8fd8\u6ca1\u5f00\u59cb\u73a9\u513f\u5fae\u670d\u52a1 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : HaroldChen <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @cdlixucd \u55ef\uff0c\u597d\u6587\u3002\u8fd9\u91cc\u6709\u63d0\u5230 scrape \u548c evaluation \u4e0d\u4e00\u81f4\u4ea7\u751f\u7684\u95ee\u9898\uff0c\u4f46 send resolve \u901a\u77e5\u5e94\u8be5\u4e0d\u53d7\u8fd9\u4e2a\u5f71\u54cd\u3002\u65e2\u7136\u53d1\u51fa\u901a\u77e5\u6765\uff0c\u4e00\u5b9a\u662f\u5224\u5b9a\u81f3\u5c11 2 \u4e2a\u5468\u671f\uff08\u6211\u8fd9\u8fb9 scrape \u548c evaluation \u90fd\u662f 30s \uff09\u503c\u4f4e\u4e8e 90 \u3002\u6062\u590d\u901a\u77e5\u4e0a\u7684\u503c\u80af\u5b9a\u4f4e\u4e8e 90 \u624d\u5bf9\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : scarletass <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u8868\u8fbe\u5f0f\u5f88\u6e05\u695a\uff0c\u7edf\u8ba1\u7684\u662f 1min cpu \u7684\u5e73\u5747\u503c\uff0c\u4f60\u62ff\u5cf0\u503c\u53bb\u6bd4\u8f83\uff0c\u80af\u5b9a\u4e0d\u5bf9~ <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : Maco <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u53ef\u4ee5\u53c2\u8003\u4e0b\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bb2\u7684\u5f88\u6e05\u695a\uff1a
            https:\/\/www.robustperception.io\/why-do-resolved-notifications-contain-old-values
            \u5f53\u6307\u6807\u6b63\u5e38\u65f6\uff0c\u544a\u8b66\u8868\u8fbe\u5f0f\u4e0d\u5728\u8fd4\u56de\u503c\uff0cPrometheus \u81ea\u7136\u5c31\u4e0d\u77e5\u9053\u5f53\u524d\u7684\u503c\u662f\u591a\u5c11\u3002
            \u6587\u7ae0\u4e2d\u7684\u5efa\u8bae\u662f\u544a\u8b66\u6d88\u606f\u4e2d\u94fe\u63a5\u5230\u4eea\u8868\u76d8\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : HaroldChen <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @scarletass \u5cf0\u503c\uff1f \u8fd9\u4e2a{{ printf “%.2f” $value }} \u4e5f\u662f expr \u7b97\u51fa\u6765\u7684\u503c\u554a\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : Maco <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u544a\u8b66\u6062\u590d\u4e2d\u7684\u503c\uff0c\u662f\u6700\u540e\u4e00\u6b21\u6839\u636e\u4f60\u7684\u544a\u8b66\u8868\u8fbe\u5f0f\u8ba1\u7b97\u51fa\u6765\u7684\u503c\u3002\u4e5f\u5c31\u662f\u6700\u540e\u7684\u4e00\u4e2a\u5f02\u5e38\u503c\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : HaroldChen <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @Maco \u8c22\u4e86\uff0c\u7ec8\u4e8e\u660e\u767d\u4e3a\u5565\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u4e86-.-\u3002 \u544a\u8b66\u548c\u6062\u590d\u53ea\u80fd\u7528\u540c\u4e00\u4e2a description \u7684\u6d88\u606f\u6a21\u677f\u5417\uff0c\u6709\u65b9\u6cd5\u533a\u5206\u5f00\u5417\u3002\u544a\u8b66\u65f6\u663e\u793a\u5f53\u524d cpu \u503c\uff0c\u6062\u590d\u4e86\u5c31\u663e\u793a cpu \u5df2\u6062\u590d\uff0c\u52a0\u4e2a grafana link \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : marcolin <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @HaroldChen \u81ea\u5df1\u5728 webhook \u63a5\u53e3\u91cc\u9762\u5224\u65ad\u4e00\u4e0b\u5c31\u884c\u4e86\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : wangritian <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            \u501f\u8bf7\u6559\u4e00\u4e0b\uff0c\u60f3\u5b66\u4e60 Prometheus\uff0c\u6709\u54ea\u4e9b\u63a8\u8350\u7684\u5165\u95e8\u6587\u7ae0 \/\u4e66\u7c4d \/\u8bfe\u7a0b\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : Maco <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @wangritian \u8fd9\u91cc\u4e0d\u9519 https:\/\/yunlzheng.gitbook.io\/prometheus-book\/ <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n
            \n
            \n
            \u8cc7\u6df1\u5927\u4f6c : wangritian <\/span> <\/div>\n
            <\/i> <\/span> <\/div>\n<\/p><\/div>\n
            @Maco \u7070\u5e38\u611f\u8c22 <\/div>\n<\/p><\/div>\n<\/li>\n
          • \n","protected":false},"excerpt":{"rendered":"

            \u7528 Prometheus \u78b0\u5230\u4e2a\u5947…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/169220"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169220"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/169220\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169220"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}