Kendall Thrapp created YARN-473:
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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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