Srimanth Gunturi created AMBARI-11986:
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Summary: Stack advisor not picking correct reference host
consistently
Key: AMBARI-11986
URL: https://issues.apache.org/jira/browse/AMBARI-11986
Project: Ambari
Issue Type: Bug
Components: contrib
Affects Versions: 2.1.0
Reporter: Srimanth Gunturi
Assignee: Srimanth Gunturi
Priority: Critical
Fix For: 2.1.0
If a cluster had 100 hosts where first host had 60GB ram and rest of hosts had
3GB ram. The stack-advisor code picks the first host (60GB ram) for some
calculations (like 'ramPerContainer'), and then picks host with minimum ram
(3GB ram) for 'yarn.scheduler.minimum-allocation-mb'.
Due to this, the {{yarn.scheduler.minimum-allocation-mb}} is greater than
{{yarn.scheduler.maximum-allocation-mb}}.
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