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https://issues.apache.org/jira/browse/YARN-24?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13614486#comment-13614486
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Sandy Ryza commented on YARN-24:
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Thinking about this a little more, I didn't see a strong reason not to verify
the root log dir each time. This makes the log aggregation service resilient
to the root directory being deleted or chmoded while a nodemanager is running.
Uploaded a new patch that does this.
> Nodemanager fails to start if log aggregation enabled and namenode unavailable
> ------------------------------------------------------------------------------
>
> Key: YARN-24
> URL: https://issues.apache.org/jira/browse/YARN-24
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 0.23.3, 2.0.0-alpha
> Reporter: Jason Lowe
> Assignee: Sandy Ryza
> Attachments: YARN-24-1.patch, YARN-24-2.patch, YARN-24-3.patch,
> YARN-24.patch
>
>
> If log aggregation is enabled and the namenode is currently unavailable, the
> nodemanager fails to startup.
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