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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2020/12/07 09:11:47 UTC

[GitHub] [skywalking] wuwenrufeng opened a new issue #5964: why prometheus fetcher cannot save metrics of the same name for different services

wuwenrufeng opened a new issue #5964:
URL: https://github.com/apache/skywalking/issues/5964


   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
       - Question or discussion
   
   ___
   ### Question
   - What do you want to know?
   why prometheus fetcher  cannot save  metrics of the same name for different services
   
   - What happened?
      I added two files in the $CLASSPATH/fetcher-prom-rules, first service name is a_server,second service name is b_server, and they have same metirc name(instance_count), but i only get first metrics.
     - t1.yaml
     ```yaml
     fetcherInterval: PT30S
     fetcherTimeout: PT10S
     metricsPath: /metrics
     staticConfig:
       # targets will be labeled as "instance"
       targets:
         - url: http://172.31.1.116:5000/metrics
           sslCaFilePath:
       labels:
         service: a_server
     defaultMetricLevel: instance(['service'], ['instance'])
     metricsRules:
       - name: instance_count
         exp: latest count.tagEqual('name', 'beijing')
     ```
   - t2.yaml
     ```yaml
     fetcherInterval: PT30S
     fetcherTimeout: PT10S
     metricsPath: /metrics
     staticConfig:
       # targets will be labeled as "instance"
       targets:
         - url: http://172.31.1.116:5000/metrics
           sslCaFilePath:
       labels:
         service: b_server
     defaultMetricLevel: instance(['service'], ['instance'])
     metricsRules:
       - name: instance_count
         exp: latest count.tagEqual('name', 'tianjin')
     ```
     - es backend:
   ![Snipaste_2020-12-07_17-05-12](https://user-images.githubusercontent.com/45844514/101331129-7eef2980-38ae-11eb-9d44-03d7c965b411.png)
     - sw UI
       
   ![cSnipaste_2020-12-07_17-09-13](https://user-images.githubusercontent.com/45844514/101331467-ff158f00-38ae-11eb-9ceb-b24592d1d0a3.png)
   ![aSnipaste_2020-12-07_17-08-14](https://user-images.githubusercontent.com/45844514/101331478-03da4300-38af-11eb-9bdc-ef8023356440.png)
   ![bSnipaste_2020-12-07_17-08-31](https://user-images.githubusercontent.com/45844514/101331540-1d7b8a80-38af-11eb-9ea2-ca00e7f17918.png)
   
   
   
   
   ___
   ### Requirement or improvement
   - Please describe your requirements or improvement suggestions.
   


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[GitHub] [skywalking] hanahmily commented on issue #5964: why prometheus fetcher cannot save metrics of the same name for different services

Posted by GitBox <gi...@apache.org>.
hanahmily commented on issue #5964:
URL: https://github.com/apache/skywalking/issues/5964#issuecomment-739931241


   @wuwenrufeng That's because you didn't **ENABLE** the second rule at https://github.com/apache/skywalking/blob/master/oap-server/server-bootstrap/src/main/resources/application.yml#L272
   
   Even though you enable it, OAP must fail to boot due to metric name confliction like @wu-sheng 's comment, and we have the canonical solution right now -- set https://github.com/apache/skywalking/blob/b5367aa6b1390b3bc7a6549fb80eb97e49db1fae/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml#L42 to distinct them. And from what you show, you must run the version below 8.3.0. Pls, upgrade your OAP version to use `metricPrefix`.
   


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[GitHub] [skywalking] hanahmily closed issue #5964: why prometheus fetcher cannot save metrics of the same name for different services

Posted by GitBox <gi...@apache.org>.
hanahmily closed issue #5964:
URL: https://github.com/apache/skywalking/issues/5964


   


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[GitHub] [skywalking] wu-sheng commented on issue #5964: why prometheus fetcher cannot save metrics of the same name for different services

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5964:
URL: https://github.com/apache/skywalking/issues/5964#issuecomment-739786402


   Yes, because they are conflicting for now. @hanahmily Do we have any chance to support this?


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