Job/Task local files have incorrect group ownership set by LinuxTaskController
binary
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Key: MAPREDUCE-871
URL: https://issues.apache.org/jira/browse/MAPREDUCE-871
Project: Hadoop Map/Reduce
Issue Type: Sub-task
Components: tasktracker
Reporter: Vinod K V
HADOOP-4491 fixed the secure permissions of local files on a TT. While testing
HADOOP-4491 on a cluster, [~karams] found out a bug. All the files/dirs have
should be owned by the group corresponding to the group owner of the
task-controller binary (via using getegid()) which in turn is a special group
to which *only* TT user belongs. HADOOP-4491 incorrectly set it to primary
group of the TT via getgid(), and not the special group.
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