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From "Subbu M Iyer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5713) Introduce throttling during Instant schema change process to throttle opening/closing regions.
Date Wed, 13 Jun 2012 23:29:42 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Subbu M Iyer updated HBASE-5713:
--------------------------------

    Attachment: patch-v4.patch
    
> 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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