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https://issues.apache.org/jira/browse/MAPREDUCE-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated MAPREDUCE-6472:
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Fix Version/s: 2.8.0
> MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-6472
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6472
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.6.0
> Reporter: Jason Lowe
> Assignee: Naganarasimha G R
> Fix For: 2.8.0, 2.7.2, 3.0.0-alpha1
>
> Attachments: MAPREDUCE-6472.20150914-1.patch,
> MAPREDUCE-6472.20150914-2.patch
>
>
> MapReduceChildJVM.getVMCommand ensures that all tasks have
> -Djava.io.tmpdir=./tmp set as part of the task command-line, but this is only
> used for tasks. The AM itself does not have a corresponding java.io.tmpdir
> setting. It should also use the same tmpdir setting to avoid cases where the
> AM JVM wants to place files in /tmp by default.
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