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https://issues.apache.org/jira/browse/MAPREDUCE-2648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-2648.
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Resolution: Won't Fix
Closing this as Won't Fix.
HARM (YARN-149) is essentially a replacement for all/most of the stuff
happening here.
> High Availability for JobTracker
> --------------------------------
>
> Key: MAPREDUCE-2648
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2648
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Devaraj K
> Attachments: High Availability for JobTracker.pdf
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> In Hadoop cluster, JobTracker is responsible for managing the life cycle of
> MapReduce jobs. If JobTracker fails, then MapReduce service will not be
> available until JobTracker is restarted. We propose an automatic failover
> solution for JobTracker to address such single point of failure. It is based
> on Leader Election Framework suggested in ZOOKEEPER-1080
> Please refer to attached document.
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