Jason Lowe created MAPREDUCE-6472:
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Summary: 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
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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