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From zentol <...@git.apache.org>
Subject [GitHub] flink issue #2146: [FLINK-1550/FLINK-4057] Add JobManager Metrics
Date Wed, 29 Jun 2016 17:09:54 GMT
Github user zentol commented on the issue:

    https://github.com/apache/flink/pull/2146
  
    That is a known and intended behavior. It is the users responsibility to make sure that
no naming conflicts arise, either by providing unique job/task/operator names or modifying
the scope formats.
    
    Regarding your suggestion, even if we exclude the disparity between the name a user expects
and the name we might provide, there is still the issue that it (sadly) doesn't actually solve
anything.
    
    Assume 2 TaskManagers, both exporting a metric `MyJob.metric` and `MyJob1.metric`.
    
    You cannot guarantee that both versions of `MyJob.metric` actually belong to the same
job.
    You can't even make the guarantee that all values a TM exposes as `MyJob.metric` belong
to a single job.
    
    This problem also exists right; the only difference is that you only have 1 set of inconsistent
data, and not 2.


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