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https://issues.apache.org/jira/browse/YUNIKORN-1218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weiwei Yang updated YUNIKORN-1218:
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Attachment: reproduce.patch
> Scheduler crashed with concurrent map access error in health checker
> --------------------------------------------------------------------
>
> Key: YUNIKORN-1218
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1218
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: core - scheduler
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: reproduce.patch, stacktrace.log
>
>
> After YUNIKORN-1107, the health checker runs as a background thread in 30s
> interval. We observed a few scheduler restarts in the past week that seems to
> be caused by this thread, because it has an unsafe access to the partition
> context without proper read lock. I have uploaded a patch to reproduce this
> locally, and a file of the stack trace when crash happens.
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