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https://issues.apache.org/jira/browse/HBASE-5713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13294717#comment-13294717
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Subbu M Iyer commented on HBASE-5713:
-------------------------------------
Ted:
Attached a latest patch.
1. Reduced the throttle time to 100ms.
2. Addressed your comments.
All unit tests passed.
As a next step, we need to get this tested in a production grade cluster and
hope Lars can help us with that.
thanks
> Introduce throttling during Instant schema change process to throttle
> opening/closing regions.
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-5713
> URL: https://issues.apache.org/jira/browse/HBASE-5713
> Project: HBase
> Issue Type: Bug
> Components: client, master, regionserver, shell
> Reporter: Subbu M Iyer
> Assignee: Subbu M Iyer
> Priority: Minor
> Attachments: 5713.txt, patch-v4.patch
>
>
> There is a potential for region open/close stampede during instant schema
> change process as the process attempts to close/open impacted regions in
> rapid succession. We need to introduce some kind of throttling to eliminate
> the race condition.
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