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Posted to issues@hbase.apache.org by "Gregory Chanan (JIRA)" <ji...@apache.org> on 2012/06/30 02:09:44 UTC

[jira] [Commented] (HBASE-6283) [region_mover.rb] Add option to exclude list of hosts on unload instead of just assuming the source node.

    [ https://issues.apache.org/jira/browse/HBASE-6283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404332#comment-13404332 ] 

Gregory Chanan commented on HBASE-6283:
---------------------------------------

Looks good to me, but I am not a ruby expert :).
                
> [region_mover.rb] Add option to exclude list of hosts on unload instead of just assuming the source node.
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6283
>                 URL: https://issues.apache.org/jira/browse/HBASE-6283
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>              Labels: jruby
>         Attachments: hbase-6283.patch
>
>
> Currently, the region_mover.rb script excludes a single host, the host offloading data, as a region move target.  This essentially limits the number of machines that can be shutdown at a time to one.  For larger clusters, it is manageable to have several nodes down at a time and desirable to get this process done more quickly.
> The proposed patch adds an exclude file option, that allows multiple hosts to be excluded as targets.

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