[jira] [Commented] (HBASE-18511) Default no regions on master

["Nick Dimiduk (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-18511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977006#comment-16977006 ] 

Nick Dimiduk commented on HBASE-18511:
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Is {{hbase.balancer.tablesOnMaster}} supposed to be a boolean value, or a list of table names? We interpret it one way {{ZNodeClearer}} and the other way in {{LoadBalancer}}...

> Default no regions on master
> ----------------------------
>
>                 Key: HBASE-18511
>                 URL: https://issues.apache.org/jira/browse/HBASE-18511
>             Project: HBase
>          Issue Type: Task
>          Components: master
>            Reporter: Michael Stack
>            Assignee: Michael Stack
>            Priority: Blocker
>             Fix For: 2.0.0
>
>         Attachments: HBASE-18511.master.001.patch, HBASE-18511.master.002.patch, HBASE-18511.master.003.patch, HBASE-18511.master.004.patch, HBASE-18511.master.005.patch, HBASE-18511.master.006.patch, HBASE-18511.master.007.patch, HBASE-18511.master.008.patch, HBASE-18511.master.009.patch, HBASE-18511.master.010.patch, HBASE-18511.master.011.patch, HBASE-18511.master.012.patch, HBASE-18511.master.013.patch, HBASE-18511.master.014.patch, HBASE-18511.master.015.patch
>
>
> Let this be umbrella issue for no-regions-on-master as default deploy (as it was in branch-1).
> Also need to make sure we can run WITH regions on master; in particular system tables with RPC short-circuit as it is now in hbase master.
> Background is that master branch carried a change that allowed Master carry regions. On top of this improvement on branch-1, Master defaulted to carry system tables only. No release was made with this configuration. Now we are going to cut the 2.0.0 release, the decision is that hbase-2 should have the same layout as hbase-1 so this issue implements the undoing of Master carrying system tables by default (though the capability remains).



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