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https://issues.apache.org/jira/browse/IMPALA-8403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16832467#comment-16832467
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Adriano commented on IMPALA-8403:
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Hi, I would like to add a repro steps [^reproIMPALA-8403.tgz] that i followed
to increase the same of threads (submitting a query with many fragments and
then cancelling it once the fragments were in execution). Maybe is a dup,
however if it is not, I appreciate your help in order to put this jira into the
backlog.
Many thanks,
Adriano
> Possible thread leak in impalad
> -------------------------------
>
> Key: IMPALA-8403
> URL: https://issues.apache.org/jira/browse/IMPALA-8403
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 2.12.0
> Reporter: Quanlong Huang
> Priority: Major
> Attachments: image-2019-04-10-11-15-11-321.png, reproIMPALA-8403.tgz
>
>
> The metric of thread-manager.running-threads got from
> http://${impalad_host}:25000/metrics?json shows that the number of running
> threads keeps increasing. (See the snapshot) This phenomenon is most
> noticeable in coordinators.
> Maybe a counter bug or threads leak.
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