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https://issues.apache.org/jira/browse/YARN-8259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16508657#comment-16508657
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Eric Badger commented on YARN-8259:
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I would give a slight preference to proposal #1 because of performance,
especially in the live-restore case. There is a workaround even with hidepid in
place, so I think the good outweighs the bad.
> Revisit liveliness checks for Docker containers
> -----------------------------------------------
>
> Key: YARN-8259
> URL: https://issues.apache.org/jira/browse/YARN-8259
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 3.0.2, 3.2.0, 3.1.1
> Reporter: Shane Kumpf
> Assignee: Shane Kumpf
> Priority: Blocker
> Labels: Docker
> Attachments: YARN-8259.001.patch
>
>
> As privileged containers may execute as a user that does not match the YARN
> run as user, sending the null signal for liveliness checks could fail. We
> need to reconsider how liveliness checks are handled in the Docker case.
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