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Posted to issues@hbase.apache.org by "Francis Liu (JIRA)" <ji...@apache.org> on 2014/06/03 07:57:01 UTC

[jira] [Created] (HBASE-11290) Unlock RegionStates

Francis Liu created HBASE-11290:
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             Summary: Unlock RegionStates
                 Key: HBASE-11290
                 URL: https://issues.apache.org/jira/browse/HBASE-11290
             Project: HBase
          Issue Type: Sub-task
            Reporter: Francis Liu
            Assignee: Francis Liu


Even though RegionStates is a highly accessed data structure in HMaster. Most of it's methods are synchronized. Which limits concurrency. Even simply making some of the getters non-synchronized by using concurrent data structures has helped with region assignments. We can go as simple as this approach or create locks per region or a bucket lock per region bucket.



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