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https://issues.apache.org/jira/browse/HDFS-864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796267#action_12796267
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Konstantin Boudnik commented on HDFS-864:
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May be it is a good time to start looking into
[JSure|http://wiki.apache.org/hadoop/HowToUseConcurrencyAnalysisTools] more
closely?
> Potential deadlock rolling edit logs
> ------------------------------------
>
> Key: HDFS-864
> URL: https://issues.apache.org/jira/browse/HDFS-864
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Attachments: cycle.png
>
>
> FSEditLog.rollEditLog locks the log, then the FSImage. FSImage.close locks
> the image, then the log.
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