He Tianyi created YARN-3902:
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Summary: Fair scheduler preempts ApplicationMaster
Key: YARN-3902
URL: https://issues.apache.org/jira/browse/YARN-3902
Project: Hadoop YARN
Issue Type: Bug
Components: fairscheduler
Affects Versions: 2.3.0
Environment: 3.16.0-0.bpo.4-amd64 #1 SMP Debian 3.16.7-ckt2-1~bpo70+1
(2014-12-08) x86_64
Reporter: He Tianyi
YARN-2022 have fixed the similar issue related to CapacityScheduler.
However, FairScheduler still suffer, preempting AM while other normal
containers running out there.
I think we should take the same approach, avoid AM being preempted unless there
is no container running other than AM.
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