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https://issues.apache.org/jira/browse/YARN-1036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13731945#comment-13731945
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Koji Noguchi commented on YARN-1036:
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When reading MAPREDUCE-4342 initially, I didn't understand why the files were
deleted in the first place. Until recently, when we started seeing
inconsistent distributed cache after we enabled
Disk-Fail-In-Place(MAPREDUCE-2413).
NodeManager/TaskTracker keeps on running even after finding bad disks without
throwing away distributed cache entries coming from those disks resulting in
incomplete set of distributed cache available to our users.
> Distributed Cache gives inconsistent result if cache files get deleted from
> task tracker
> -----------------------------------------------------------------------------------------
>
> Key: YARN-1036
> URL: https://issues.apache.org/jira/browse/YARN-1036
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 0.23.9
> Reporter: Ravi Prakash
> Assignee: Ravi Prakash
> Attachments: YARN-1036.branch-0.23.patch
>
>
> This is a JIRA to backport MAPREDUCE-4342. I had to open a new JIRA because
> that one had been closed.
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