With fair scheduler, long running jobs can easily occurpy a lot of task slots
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Key: HADOOP-5701
URL: https://issues.apache.org/jira/browse/HADOOP-5701
Project: Hadoop Core
Issue Type: Bug
Components: contrib/fair-share
Reporter: Tsz Wo (Nicholas), SZE
Current fair scheduler implementation favor long running jobs since once a task
slot is assigned to a job, the fair scheduler is not able to reclaim it.
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