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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18511) Default no regions on master
Date Sat, 12 Aug 2017 00:11:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124320#comment-16124320
] 

stack commented on HBASE-18511:
-------------------------------

.006 should fix most of the test failures.

Its not finished yet though. I've put in place a boolean flag for tables on master, yes or
no. I need to add tests for case where flag is true (currently it is false).  There is then
the case where systems tables were exclusively on master. That will be another flag rather
than a table list. I need to do that too. Working on it.

> 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: stack
>            Assignee: 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
>
>
> 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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