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https://issues.apache.org/jira/browse/HADOOP-12594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15024905#comment-15024905
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Jason Lowe commented on HADOOP-12594:
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Looks like this was caused by HADOOP-11361.
> Deadlock in metrics subsystem
> -----------------------------
>
> Key: HADOOP-12594
> URL: https://issues.apache.org/jira/browse/HADOOP-12594
> Project: Hadoop Common
> Issue Type: Bug
> Components: metrics
> Affects Versions: 2.7.3
> Reporter: Jason Lowe
> Priority: Blocker
>
> Saw a YARN ResourceManager process encounter a deadlock which appears to be
> caused by the metrics subsystem. Stack trace to follow.
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