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Posted to issues@hbase.apache.org by "Xiaolin Ha (JIRA)" <ji...@apache.org> on 2019/08/02 02:50:00 UTC

[jira] [Commented] (HBASE-22738) Fallback to default group to choose RS when there are no RS in current group

    [ https://issues.apache.org/jira/browse/HBASE-22738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898502#comment-16898502 ] 

Xiaolin Ha commented on HBASE-22738:
------------------------------------

If we assign regions to regionservers that not belong to its group, then we may need balancer to correct them. Am I right? How can correct if balancer is turned off?

And users will not be aware of different group regions combined until there are some interactions. Is this tolerable?

 

> Fallback to default group to choose RS when there are no RS in current group
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-22738
>                 URL: https://issues.apache.org/jira/browse/HBASE-22738
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Guanghao Zhang
>            Priority: Major
>
> We configure one regionserver for hbase system table. But when rolling upgrade, you need move the region to other regionservers. But because there are no other regionservers in this group, you cannot move the region...
>  
>  



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