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https://issues.apache.org/jira/browse/MAPREDUCE-1887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881583#action_12881583
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Todd Lipcon commented on MAPREDUCE-1887:
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Ravi: this log message only runs once at tasktracker startup, and the number of
volumes is usually <12. Not worth guarding in isDebugEnabled since it's not
going to ever be a bottleneck.
> MRAsyncDiskService does not properly absolutize volume root paths
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-1887
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1887
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Aaron Kimball
> Assignee: Aaron Kimball
> Attachments: MAPREDUCE-1887.2.patch, MAPREDUCE-1887.3.patch,
> MAPREDUCE-1887.patch
>
>
> In MRAsyncDiskService, volume names are sometimes specified as relative
> paths, which are not converted to absolute paths. This can cause errors of
> the form "cannot delete </full/path/to/foo> since it is outside of
> <relative/volume/root>" even though the actual path is inside the root.
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