Bibin A Chundatt created YARN-3733:
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Summary: On RM restart AM getting more than maximum possible
memory when many tasks in queue
Key: YARN-3733
URL: https://issues.apache.org/jira/browse/YARN-3733
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Environment: Suse 11 Sp3 , 2 NM , 2 RM
one NM - 3 GB 6 v core
Reporter: Bibin A Chundatt
Priority: Critical
Steps to reproduce
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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
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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
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Only 6 should be running at a time since max AM allocated is .5 (3072 MB)
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