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https://issues.apache.org/jira/browse/AMBARI-4499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Mohanty updated AMBARI-4499:
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Attachment: AMBARI-4499.patch
> Add support for marking hbase RS instances as DRAINING before decommission
> --------------------------------------------------------------------------
>
> Key: AMBARI-4499
> URL: https://issues.apache.org/jira/browse/AMBARI-4499
> Project: Ambari
> Issue Type: Bug
> Components: controller
> Affects Versions: 1.5.0
> Reporter: Sumit Mohanty
> Assignee: Sumit Mohanty
> Fix For: 1.5.0
>
> Attachments: AMBARI-4499.patch
>
>
> Hbase decommission is actually a graceful stop under the cover. One critical
> component of graceful stop is to mark candidate region server instances as
> "draining". This is required when more than one node is being stopped so that
> regions being moved out of one node do not end up on the another node that is
> also a candidate of graceful stop.
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