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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18062) Admin API to removeFavoredNode on node decommission
Date Thu, 29 Jun 2017 23:30:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16069186#comment-16069186

stack commented on HBASE-18062:

Thanks [~thiruvel] for fast response. Let me work on getting the rsgroup stuff going as next
priority sir so you can make progress. Thanks.

> Admin API to removeFavoredNode on node decommission
> ---------------------------------------------------
>                 Key: HBASE-18062
>                 URL: https://issues.apache.org/jira/browse/HBASE-18062
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Thiruvel Thirumoolan
>            Assignee: Thiruvel Thirumoolan
>             Fix For: 2.0.0
> From the design doc:
> This command is useful while decommissioning a server. It removes the specified server
(hostname:port) as favored node from regions. This operation does not change any assignments,
but alters favored node information in hbase:meta. The users have to make sure that the specified
server is not hosting any regions. Since region servers go down much more frequently than
datanodes, the admin has to use this tool when decommissioning a datanode and region server.

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