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https://issues.apache.org/jira/browse/FLINK-9530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16508750#comment-16508750
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ASF GitHub Bot commented on FLINK-9530:
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Github user zentol commented on the issue:
https://github.com/apache/flink/pull/6126
This gives you a consistent view about operators regardless of whether they
are chained or not.
I don't quite understand how you could consider this metric not being
useful.
> Task numRecords metrics broken for chains
> -----------------------------------------
>
> Key: FLINK-9530
> URL: https://issues.apache.org/jira/browse/FLINK-9530
> Project: Flink
> Issue Type: Bug
> Components: Metrics
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Blocker
> Fix For: 1.6.0, 1.5.1
>
>
> The {{numRecordsIn/Out}} metrics for tasks is currently broken. We are
> wrongly adding up the numRecordsIn/Out metrics for all operators in the
> chain, instead of just the head/tail operators.
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