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https://issues.apache.org/jira/browse/HADOOP-5154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod K V updated HADOOP-5154:
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Attachment: FairSchedulerDeadLock.txt
Attached thread dump.
Summary:
JT UI (jobtracker.jsp)
- Waiting for lock on JobTracker object
FairScheduler.assignTasks
- Locked JobTracker object
- Waiting for lock on FairScheduler object
FairScheduler update thread
- Locked FairScheduler object
- Waiting for lock on PoolManager object
FairScheduler.update (from scheduler UI)
- Locked PoolManager object
- Waiting for lock on FairScheduler object
> 4-way deadlock in FairShare scheduler
> -------------------------------------
>
> Key: HADOOP-5154
> URL: https://issues.apache.org/jira/browse/HADOOP-5154
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/fair-share
> Reporter: Vinod K V
> Attachments: FairSchedulerDeadLock.txt
>
>
> This happened while trying to change the priority of a job from the scheduler
> servlet.
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