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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2648) High Availability for JobTracker
Date Wed, 06 Jul 2011 14:43:16 GMT
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

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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