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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4576) Modify pending tasks count in the UI to pending jobs count in the UI
Date Mon, 03 Nov 2008 05:40:44 GMT
Modify pending tasks count in the UI to pending jobs count in the UI
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                 Key: HADOOP-4576
                 URL: https://issues.apache.org/jira/browse/HADOOP-4576
             Project: Hadoop Core
          Issue Type: Bug
          Components: contrib/capacity-sched
    Affects Versions: 0.19.0
            Reporter: Hemanth Yamijala


The UI for capacity scheduler displays 'pending tasks' counts. However the capacity scheduler
does not update these counts to be the actual values for optimization purposes, for e.g. to
avoid walking all pending jobs on all heartbeats. Hence this information is not very accurate.

Also, while 'running tasks' counts are useful to compare against capacities and limits, 'pending
tasks' counts do not add too much user value. A better count to display would be the number
of running and pending jobs.

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