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From "Vishal Kathuria (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3833) ability to support includes/excludes list in Hbase
Date Wed, 18 May 2011 20:42:47 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13035655#comment-13035655
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Vishal Kathuria commented on HBASE-3833:
----------------------------------------

Thanks for the review and the suggestions stack. 

I didn't know about the JUNit test timeout - you are right, I don't need to do limit the loop.

Regarding destination for the patch - I'll follow up with dhruba to figure out the desired
destination and make appropriate changes to remove the deprecated stuff. 

"I'm not clear on how a decommissioned node, once added to the excludes, is cleared of its
regions. Did I miss it?"
When the node list is refreshed and a node shows up in the decommissioned list, ServerManager::refreshNodes()
calls ServerManager::decommissionServer(serverInfo) to start the decomissioning process.

Thanks!
Vishal



> ability to support includes/excludes list in Hbase
> --------------------------------------------------
>
>                 Key: HBASE-3833
>                 URL: https://issues.apache.org/jira/browse/HBASE-3833
>             Project: HBase
>          Issue Type: Improvement
>          Components: client, regionserver
>    Affects Versions: 0.90.2
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: excl-patch.txt, excl-patch.txt
>
>
> An HBase cluster currently does not have the ability to specify that the master should
accept regionservers only from a specified list. This helps preventing administrative errors
where the same machine could be included in two clusters. It also allows the administrator
to easily remove un-ssh-able machines from the cluster.

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