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https://issues.apache.org/jira/browse/HBASE-11290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15065492#comment-15065492
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Mikhail Antonov commented on HBASE-11290:
-----------------------------------------
Sure! (it's assigned to you know). I'll stop my rebasing-in-progress then. Will
help to review once you upload.
> 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
> Fix For: 2.0.0, 1.3.0, 0.98.17
>
> Attachments: HBASE-11290-0.98.patch, HBASE-11290-0.98_v2.patch,
> HBASE-11290.draft.patch
>
>
> 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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