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https://issues.apache.org/jira/browse/YARN-4362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena reassigned YARN-4362:
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Assignee: Varun Saxena
> 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
> Assignee: Varun Saxena
> 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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