[jira] Commented: (HBASE-3441) Add means of graceful decommission of node where it sheds load slowly in a non-disruptive manner until its carrying none

["Todd Lipcon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-3441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981419#action_12981419 ] 

Todd Lipcon commented on HBASE-3441:
------------------------------------

Yes, this will be super helpful. I especially want a feature where we can put a node into a state where it sheds all of its load gracefully, then without actually restarting the JVM, put it back into normal state. We could use this to fix our memory fragmentation issue - on a rolling basis in a larger cluster, shed regions, System.gc(), then go back into normal operational state.

> Add means of graceful decommission of node where it sheds load slowly in a non-disruptive manner until its carrying none
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3441
>                 URL: https://issues.apache.org/jira/browse/HBASE-3441
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.92.0
>
>
> Needed decommissioning nodes.  Currently we effectively crash them out.

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