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https://issues.apache.org/jira/browse/FLINK-11183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16725734#comment-16725734
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Chesnay Schepler commented on FLINK-11183:
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In a similar vein you can also check memory usage in the WebUI.
> Flink 1.7.0 wrong memory graphite metrics
> -----------------------------------------
>
> Key: FLINK-11183
> URL: https://issues.apache.org/jira/browse/FLINK-11183
> Project: Flink
> Issue Type: Bug
> Affects Versions: 1.7.0
> Reporter: Mario Georgiev
> Priority: Minor
> Attachments: memory.png
>
>
> Hello,
> After upgrading from Flink 1.5.3 to Flink 1.7.0 graphite metrics for memory
> started reporting wrong numbers. All the jobs are reporting the same memory
> used. Off heap memory, direct memory, mapped memory is almost the same across
> all our jobs, for heap memory used all jobs report memory used ~ 30mb? Is
> that even correct, we've had jobs that die sporadically and it appears they
> are OOM-ing, but we can't really see it and verify it because of the metrics.
> Was there any major change to the metrics collection in flink-graphite-1.7.0?
>
> You can see from the screenshot that it appears all our jobs are using same
> memory.
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