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https://issues.apache.org/jira/browse/TAJO-544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13880676#comment-13880676
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Hyunsik Choi commented on TAJO-544:
-----------------------------------
+1 for the patch, and it's a nice investigation!
As you pointed out, we have abused ThreadFactory. This is the first point that
we can easily try to improve. I've tested it on a real cluster. It works fine.
> Thread pool abusing
> -------------------
>
> Key: TAJO-544
> URL: https://issues.apache.org/jira/browse/TAJO-544
> Project: Tajo
> Issue Type: Bug
> Affects Versions: 0.8-incubating
> Reporter: Min Zhou
> Attachments: fetcher.patch, thread.txt
>
>
> After TAJO-522, TAJO-537, I still came across the "can't create native
> thread" OOM. I will submit a stack trace which tracking all the source of
> creating new threads.
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