Scheduler fails to reclaim capacity if Jobs are submitted to queue one after
the other
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Key: HADOOP-4558
URL: https://issues.apache.org/jira/browse/HADOOP-4558
Project: Hadoop Core
Issue Type: Bug
Components: contrib/capacity-sched
Affects Versions: 0.19.0
Environment: Cluster Capacity Maps=Reduces =210 each
Two Queues:
Q1: default, GC (%) =40, GC=84 (Maps and Reduces each). Reclaim time = 3 mins.
Q2: test_q1, GC (%) =60, GC=126 (Maps and Reduces each) Reclaim time = 2 mins
Reporter: Karam Singh
Scheduler fails to reclaim capacity if Jobs are submitted to queue one after
the other.
First job submitted with tasks equal to cluster's M/R Capacity
Second is submitted to different queue when all tasks of First Job are running,
scheduler fails to reclaim capacity for second job.
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