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https://issues.apache.org/jira/browse/MAPREDUCE-3186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136921#comment-13136921
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Siddharth Seth commented on MAPREDUCE-3186:
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Also,
- can the timeout be changed from #failedAttempts to actual time. Currently the
MRAM sends a heartbeat at a specific interval (2s default). This may change to
ask for containers the moment a task needs to be launched.
- The LocalContainerAllocator (used by uberized jobs) would need to be changed
as well.
> User jobs are getting hanged if the Resource manager process goes down and
> comes up while job is getting executed.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3186
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3186
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Environment: linux
> Reporter: Ramgopal N
> Assignee: Eric Payne
> Priority: Blocker
> Labels: test
> Attachments: MAPREDUCE-3186.v1.txt
>
>
> If the resource manager is restarted while the job execution is in progress,
> the job is getting hanged.
> UI shows the job as running.
> In the RM log, it is throwing an error "ERROR
> org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService:
> AppAttemptId doesnt exist in cache appattempt_1318579738195_0004_000001"
> In the console MRAppMaster and Runjar processes are not getting killed
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