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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12007) StochasticBalancer should avoid putting user regions on master
Date Fri, 19 Sep 2014 17:43:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140951#comment-14140951

stack commented on HBASE-12007:

bq. We could assign to backup master?

But it is off by default in branch-1?

bq. Very hard, and it is useful for most of use cases.

But it is off in branch-1 (smile).  I think it fine that M can be a RS but that it is not
on by default.

bq. Regions on master are handled with balanceMasterRegions which is internal to the balancer.
... ok, so only one way of distributing regions... the balancer?

Thanks for bringing me along [~jxiang]

> StochasticBalancer should avoid putting user regions on master
> --------------------------------------------------------------
>                 Key: HBASE-12007
>                 URL: https://issues.apache.org/jira/browse/HBASE-12007
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>         Attachments: hbase-12007.patch
> We should enhance how StochasticBalancer picks up a random server so that it can avoid
putting user regions on master, because regions on master are handled differently in a separate

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