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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2016/03/21 19:55:25 UTC

[jira] [Commented] (HBASE-15504) Fix Balancer in 1.3 not moving regions off overloaded regionserver

    [ https://issues.apache.org/jira/browse/HBASE-15504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204897#comment-15204897 ] 

stack commented on HBASE-15504:
-------------------------------

What broke the balancer mighty [~eclark]?

> Fix Balancer in 1.3 not moving regions off overloaded regionserver
> ------------------------------------------------------------------
>
>                 Key: HBASE-15504
>                 URL: https://issues.apache.org/jira/browse/HBASE-15504
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Elliott Clark
>
> We pushed 1.3 to a couple of clusters. In some cases the regions were assigned VERY un-evenly and the regions would not move after that.
> We ended up with one rs getting thousands of regions and most servers getting 0. Running balancer would do nothing. The balancer would say that it couldn't find a solution with less than the current cost.



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