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https://issues.apache.org/jira/browse/HADOOP-8326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286884#comment-13286884
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Robert Joseph Evans commented on HADOOP-8326:
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This is still happening and on hadoop3 there are currently 8+ leaked processes.
I don't think we are seeing the test failures we saw before because all of the
mini clusters use ephemeral ports now.
I would like to check in this change but I am a bit nervous about doing so
because I may be killing off more then I should. I am killing off everything
in the same process group. So if I run {code}test-patch.sh ... | less{code}
less is getting killed too. I don't really know for sure if this will cause
problems for Jenkins or not, it depends on how Jenkins is launching test-patch.
> test-patch can leak processes in some cases
> -------------------------------------------
>
> Key: HADOOP-8326
> URL: https://issues.apache.org/jira/browse/HADOOP-8326
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Attachments: HADOOP-8326.txt, HADOOP-8326.txt
>
>
> test-patch.sh can leak processes in some cases. These leaked processes can
> cause subsequent tests to fail because they are holding resources, like ports
> that the others may need to execute correctly.
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