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https://issues.apache.org/jira/browse/YARN-3346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan resolved YARN-3346.
------------------------------
Resolution: Implemented
Fix Version/s: 2.6.1
2.7.0
This issue is already resolved: YARN-3251 for 2.6.1 fix, and YARN-3265 for
2.7.0 fix.
> Deadlock in Capacity Scheduler
> ------------------------------
>
> Key: YARN-3346
> URL: https://issues.apache.org/jira/browse/YARN-3346
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.6.0
> Reporter: Suma Shivaprasad
> Fix For: 2.7.0, 2.6.1
>
> Attachments: rm.deadlock_jstack
>
>
> {noformat}
> Found one Java-level deadlock:
> =============================
> "2144051991@qtp-383501499-6":
> waiting to lock monitor 0x00007fa700eec8e8 (object 0x00000004589fec18, a
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp),
> which is held by "ResourceManager Event Processor"
> "ResourceManager Event Processor":
> waiting to lock monitor 0x00007fa700aadf88 (object 0x0000000441c05ec8, a
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue),
> which is held by "IPC Server handler 0 on 54311"
> "IPC Server handler 0 on 54311":
> waiting to lock monitor 0x00007fa700e20798 (object 0x0000000441d867f8, a
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue),
> which is held by "ResourceManager Event Processor"
> {noformat}
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