Anubhav Dhoot created YARN-4077:
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Summary: FairScheduler Reservation should wait for most relaxed
scheduling delay permitted before issuing reservation
Key: YARN-4077
URL: https://issues.apache.org/jira/browse/YARN-4077
Project: Hadoop YARN
Issue Type: Bug
Reporter: Anubhav Dhoot
Today if an allocation has a node local request that allows for relaxation, we
do not wait for the relaxation delay before issuing the reservation. This can
be too aggressive. Instead we should allow the scheduling delays of relaxation
to expire before we choose to allow reserving a node for the container. This
allows for the request to be satisfied on a different node instead.
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