[jira] [Created] (YARN-4362) Too many preemption activity when nodelabels are non exclusive

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

Bibin A Chundatt created YARN-4362:
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             Summary: Too many preemption activity when nodelabels are non exclusive
                 Key: YARN-4362
                 URL: https://issues.apache.org/jira/browse/YARN-4362
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Bibin A Chundatt
            Priority: Critical


Steps to reproduce
===============
1.Configure HA cluster with 6 nodes and 3 partition(1,2,3) all non exclusive

*Partition configuration is as follows*

1,2 NM's mapped with Label 1
NM 3  to  label 2
4,5 NM's mapped to Label 3
NM 6 in DEFAULT partition

In capacity scheduler the queue are linked only to 1,3 partition.
The NM 3 with label 2 is a backup node for any partition whenever required will change the label.

Submit and application/job with 200 containers to default queue.
All containers that gets assigned to partition 2 gets preempted 

The application/map task execution is taking more time since 30-40 task gets assigned to partition 2 then gets preempted and all of them needs to be relaunched.




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