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https://issues.apache.org/jira/browse/YARN-3733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated YARN-3733:
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Fix Version/s: 2.8.0
> Fix DominantRC#compare() does not work as expected if cluster resource is
> empty
> -------------------------------------------------------------------------------
>
> Key: YARN-3733
> URL: https://issues.apache.org/jira/browse/YARN-3733
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.0
> Environment: Suse 11 Sp3 , 2 NM , 2 RM
> one NM - 3 GB 6 v core
> Reporter: Bibin A Chundatt
> Assignee: Rohith Sharma K S
> Priority: Blocker
> Labels: 2.6.1-candidate
> Fix For: 2.6.1, 2.8.0, 2.7.1, 3.0.0-alpha1
>
> Attachments: 0001-YARN-3733.patch, 0002-YARN-3733.patch,
> 0002-YARN-3733.patch, YARN-3733.patch
>
>
> Steps to reproduce
> =================
> 1. Install HA with 2 RM 2 NM (3072 MB * 2 total cluster)
> 2. Configure map and reduce size to 512 MB after changing scheduler minimum
> size to 512 MB
> 3. Configure capacity scheduler and AM limit to .5
> (DominantResourceCalculator is configured)
> 4. Submit 30 concurrent task
> 5. Switch RM
> Actual
> =====
> For 12 Jobs AM gets allocated and all 12 starts running
> No other Yarn child is initiated , *all 12 Jobs in Running state for ever*
> Expected
> =======
> Only 6 should be running at a time since max AM allocated is .5 (3072 MB)
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