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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-90) NodeManager should identify failed disks becoming good back again
Date Fri, 15 Nov 2013 22:05:22 GMT

     [ https://issues.apache.org/jira/browse/YARN-90?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ravi Prakash updated YARN-90:
-----------------------------

    Attachment: YARN-90.patch

Thanks a lot Nigel and Song. Making the changes that I requested to push it over the line.
The same patch applies cleanly to branch-2 as well. Could someone kindly review and commit
it?



> 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, YARN-90.patch, YARN-90.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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