Arun C Murthy created MAPREDUCE-4328:
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Summary: Add the option to quiesce the JobTracker
Key: MAPREDUCE-4328
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4328
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv1
Affects Versions: 1.0.3
Reporter: Arun C Murthy
Assignee: Arun C Murthy
In several failure scenarios it would be very handy to have an option to
quiesce the JobTracker.
Recently, we saw a case where the NameNode had to be rebooted at a customer due
to a random hardware failure - in such a case it would have been nice to not
lose jobs by quiescing the JobTracker.
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