Allow a pool to hold onto its reservation for a while even if it contains no
jobs
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Key: HADOOP-6015
URL: https://issues.apache.org/jira/browse/HADOOP-6015
Project: Hadoop Core
Issue Type: New Feature
Components: contrib/fair-share
Reporter: Matei Zaharia
Assignee: Matei Zaharia
Priority: Minor
To better handle the case where a pool is submitting a sequence of jobs one at
a time, it could be useful to let a pool hold onto its min share of slots for
some timeout after its last job finishes. If no new job is submitted during
this timeout, the slots can go back to being shared by other pools.
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