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https://issues.apache.org/jira/browse/YARN-90?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811612#comment-13811612
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Ravi Prakash commented on YARN-90:
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Hi Song! Thanks a lot for your offer to contribute. It would be great if you
could please also share your patch. Could you please also clarify what "tt" you
are referring to in "tt also adds a new metric of the number"?
I will go ahead and test the pre-existing patch anyway.
> NodeManager should identify failed disks becoming good back again
> -----------------------------------------------------------------
>
> Key: YARN-90
> URL: https://issues.apache.org/jira/browse/YARN-90
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Reporter: Ravi Gummadi
> Attachments: YARN-90.1.patch, YARN-90.patch
>
>
> MAPREDUCE-3121 makes NodeManager identify disk failures. But once a disk goes
> down, it is marked as failed forever. To reuse that disk (after it becomes
> good), NodeManager needs restart. This JIRA is to improve NodeManager to
> reuse good disks(which could be bad some time back).
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