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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/05/22 23:32:20 UTC

[jira] [Commented] (HBASE-8596) [docs] Add docs about Region server "draining" mode

    [ https://issues.apache.org/jira/browse/HBASE-8596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664548#comment-13664548 ] 

stack commented on HBASE-8596:
------------------------------

+1

I 'forgot' we had this facility.  Thanks for the archeological digging Jon.
                
> [docs] Add docs about Region server "draining" mode
> ---------------------------------------------------
>
>                 Key: HBASE-8596
>                 URL: https://issues.apache.org/jira/browse/HBASE-8596
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation, regionserver
>    Affects Versions: 0.92.2, 0.98.0, 0.94.7, 0.95.0
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>             Fix For: 0.98.0
>
>         Attachments: hbase-8596.patch, hbase-8596.v2.patch
>
>
> HBASE-4298 introduced "draining" mode for region servers to optimize rolling restarts to allow for multiple RS's going down simultaneously.  There is a good blog post from the original author.  
> I've added highlights from and and a link to it in the Node Decommissioning section of the ref guide.

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