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From "Karam Singh (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4558) Scheduler fails to reclaim capacity if Jobs are submitted to queue one after the other
Date Fri, 31 Oct 2008 14:43:44 GMT
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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