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https://issues.apache.org/jira/browse/MAPREDUCE-6121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Kanter resolved MAPREDUCE-6121.
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.0
Thanks Ray. Committed to trunk and branch-2!
> JobResourceUpdater#compareFs() doesn't handle HA namespaces
> -----------------------------------------------------------
>
> Key: MAPREDUCE-6121
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6121
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.5.0
> Reporter: Thomas Graves
> Assignee: Ray Chiang
> Fix For: 2.8.0
>
> Attachments: MAPREDUCE-6121.001.patch, MAPREDUCE-6121.002.patch,
> MAPREDUCE-6121.003.patch
>
>
> Looking at the JobSubmitter.compareFs it doesn't look like it properly
> handles HA namespaces. The code tries to lookup the hostname using
> InetAddress.getByName, but if you are using namespaces this is going to fail
> and its going to copy the file when it doesn't need to.
> Edit: JobSubmitter was updated to JobResourceUpdater in MAPREDUCE-6267.
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