Jason Lowe created MAPREDUCE-5332:
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Summary: Support token-preserving restart of history server
Key: MAPREDUCE-5332
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5332
Project: Hadoop Map/Reduce
Issue Type: New Feature
Components: jobhistoryserver
Reporter: Jason Lowe
To better support rolling upgrades through a cluster, the history server needs
the ability to restart without losing track of delegation tokens.
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