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https://issues.apache.org/jira/browse/HBASE-3815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13023338#comment-13023338
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Todd Lipcon commented on HBASE-3815:
------------------------------------

Is this really an LB issue, or should the master have an actual blacklist? Or 
perhaps be able to ask a region server to shut itself down?

Do you have a case where an RS is up and successfully serving some regions, but 
unable to open new ones?

> lb should ignore bad region servers
> -----------------------------------
>
>                 Key: HBASE-3815
>                 URL: https://issues.apache.org/jira/browse/HBASE-3815
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Prakash Khemani
>
> the loadbalancer should remember which region server is constantly having 
> trouble opening regions and it should take that rs out of the equation ... 
> otherwise the lb goes into an unproductive loop ... 
> I don't have logs handy for this one.

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