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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-6721) RegionServer Group based Assignment
Date Sat, 01 Aug 2015 16:37:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650440#comment-14650440
] 

Andrew Purtell edited comment on HBASE-6721 at 8/1/15 4:37 PM:
---------------------------------------------------------------

Thanks [~toffer]. I applied your latest patch to master and pushed the result as new branch
"hbase-6721". I checked that it compiled before pushing but didn't run tests.

Do you need this for 0.98? If so, we can do another branch "hbase-6721-0.98" with a backport
and rebase it at every RC. Or one of the 1.x-es


was (Author: apurtell):
Thanks [~toffer]. I applied your latest patch to master and pushed the result as new branch
"hbase-6721". I checked that it compiled before pushing but didn't run tests.

Do you need this for 0.98? If so, we can do another branch "hbase-6721-0.98" with a backport
and rebase it at every RC.

> RegionServer Group based Assignment
> -----------------------------------
>
>                 Key: HBASE-6721
>                 URL: https://issues.apache.org/jira/browse/HBASE-6721
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Francis Liu
>            Assignee: Francis Liu
>         Attachments: 6721-master-webUI.patch, HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf,
HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf, HBASE-6721_10.patch, HBASE-6721_11.patch,
HBASE-6721_8.patch, HBASE-6721_9.patch, HBASE-6721_9.patch, HBASE-6721_94.patch, HBASE-6721_94.patch,
HBASE-6721_94_2.patch, HBASE-6721_94_3.patch, HBASE-6721_94_3.patch, HBASE-6721_94_4.patch,
HBASE-6721_94_5.patch, HBASE-6721_94_6.patch, HBASE-6721_94_7.patch, HBASE-6721_trunk.patch,
HBASE-6721_trunk.patch, HBASE-6721_trunk.patch, HBASE-6721_trunk1.patch, HBASE-6721_trunk2.patch
>
>
> In multi-tenant deployments of HBase, it is likely that a RegionServer will be serving
out regions from a number of different tables owned by various client applications. Being
able to group a subset of running RegionServers and assign specific tables to it, provides
a client application a level of isolation and resource allocation.
> The proposal essentially is to have an AssignmentManager which is aware of RegionServer
groups and assigns tables to region servers based on groupings. Load balancing will occur
on a per group basis as well. 
> This is essentially a simplification of the approach taken in HBASE-4120. See attached
document.



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