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https://issues.apache.org/jira/browse/HBASE-6109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13285229#comment-13285229
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stack commented on HBASE-6109:
------------------------------
bq. Renamed to LockerByString. If you have a better name...
regionLocker?
> Improve RIT performances during assignment on large clusters
> ------------------------------------------------------------
>
> Key: HBASE-6109
> URL: https://issues.apache.org/jira/browse/HBASE-6109
> Project: HBase
> Issue Type: Improvement
> Components: master
> Affects Versions: 0.96.0
> Reporter: nkeywal
> Assignee: nkeywal
> Priority: Minor
> Attachments: 6109.v7.patch
>
>
> The main points in this patch are:
> - lowering the number of copy of the RIT list
> - lowering the number of synchronization
> - synchronizing on a region rather than on everything
> It also contains:
> - some fixes around the RIT notification: the list was sometimes modified
> without a corresponding 'notify'.
> - some tests flakiness correction, actually unrelated to this patch.
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