Li Lu created YARN-4987:
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Summary: EntityGroupFS timeline store needs to handle null storage
gracefully
Key: YARN-4987
URL: https://issues.apache.org/jira/browse/YARN-4987
Project: Hadoop YARN
Issue Type: Bug
Reporter: Li Lu
Assignee: Li Lu
To handle concurrency issues, key value based timeline storage may return null
on reads that are concurrent to service stop. EntityGroupFS timeline store
needs to handle this case gracefully.
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