Andrew Purtell created HBASE-6186:
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Summary: Assure thread safety
Key: HBASE-6186
URL: https://issues.apache.org/jira/browse/HBASE-6186
Project: HBase
Issue Type: Sub-task
Reporter: Andrew Purtell
Check data structures for necessary thread safety.
One known issue is as follows:
In TableAuthManager, we need to deal with concurrent grants and revokes now
that ADMIN permission can be delegated to perhaps multiple users.
Consider using a ReadWriteLock to protect for update. The current data
structure is an array multimap. It is also possible to obtain a synchronized
multimap from Guava with Multimaps#synchronizedListMultimap but by far the most
common access is read access, and concurrent read access is fine.
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