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https://issues.apache.org/jira/browse/FLINK-5118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15821239#comment-15821239
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ASF GitHub Bot commented on FLINK-5118:
---------------------------------------

Github user uce commented on the issue:

    https://github.com/apache/flink/pull/3106
  
    Good catch. I was wondering whether it is better to count in a consistent 
way, too, e.g. count the size of each buffer or each record on both A and B 
(now we have per record on the output side and per buffer on the input side).


> Inconsistent records sent/received metrics
> ------------------------------------------
>
>                 Key: FLINK-5118
>                 URL: https://issues.apache.org/jira/browse/FLINK-5118
>             Project: Flink
>          Issue Type: Bug
>          Components: Metrics, Webfrontend
>    Affects Versions: 1.2.0, 1.3.0
>            Reporter: Ufuk Celebi
>            Assignee: Chesnay Schepler
>             Fix For: 1.2.0, 1.3.0
>
>
> In 1.2-SNAPSHOT running a large scale job you see that the counts for 
> send/received records are inconsistent, e.g. in a simple word count job we 
> see more received records/bytes than we see sent. This is a regression from 
> 1.1 where everything works as expected.



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