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From "Kendall Thrapp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-473) Capacity Scheduler webpage and REST API not showing correct number of pending applications
Date Wed, 13 Mar 2013 18:48:13 GMT
Kendall Thrapp created YARN-473:
-----------------------------------

             Summary: Capacity Scheduler webpage and REST API not showing correct number of
pending applications
                 Key: YARN-473
                 URL: https://issues.apache.org/jira/browse/YARN-473
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
    Affects Versions: 0.23.6
            Reporter: Kendall Thrapp


The Capacity Scheduler REST API (http://hadoop.apache.org/docs/r0.23.6/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html#Cluster_Scheduler_API)
is not returning the correct number of pending applications.  numPendingApplications is almost
always zero, even if there are dozens of pending apps.

In investigating this, I discovered that the Resource Manager's Scheduler webpage is als showing
an incorrect but different number of pending applications.  For example, the cluster I'm looking
at right now currently has 15 applications in the ACCEPTED state, but the Cluster Metrics
table near the top of the page says there are only 2 pending apps.  The REST API says there
are zero pending apps.

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