chaoli created MAPREDUCE-7290:
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Summary: ShuffleHeader should be compatible between client&server
when rolling update
Key: MAPREDUCE-7290
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7290
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Reporter: chaoli
Recently, we need to add a property in ShuffleHeader class. And we encountered
a problem that client&server may not compatible because of
serialization/deserialization when we rolling update NodeManager instance.
Therefore, we made a improvement to support shuffle header version upgrade
smoothly
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