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Posted to dev@ambari.apache.org by "Oleg Nechiporenko (JIRA)" <ji...@apache.org> on 2014/07/28 19:20:38 UTC

[jira] [Commented] (AMBARI-5392) Recommend putting Region Server in Maintenance Mode when Decommissioning Region Server

    [ https://issues.apache.org/jira/browse/AMBARI-5392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076414#comment-14076414 ] 

Oleg Nechiporenko commented on AMBARI-5392:
-------------------------------------------

+1 for patch

> Recommend putting Region Server in Maintenance Mode when Decommissioning Region Server
> --------------------------------------------------------------------------------------
>
>                 Key: AMBARI-5392
>                 URL: https://issues.apache.org/jira/browse/AMBARI-5392
>             Project: Ambari
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.7.0
>            Reporter: Andrii Babiichuk
>            Assignee: Andrii Babiichuk
>             Fix For: 1.7.0
>
>         Attachments: AMBARI-5392.patch
>
>
> Hbase doesn't support decommission natively - instead we just do a graceful shutdown. This means on a HBase restart, the region server will restart. Ambari will cover for this by recommending to put region server in maintenance mode.



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