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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8410) Basic quota support for namespaces
Date Tue, 27 Jan 2015 00:06:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14292680#comment-14292680
] 

Enis Soztutar commented on HBASE-8410:
--------------------------------------

bq. Also should I be creating a backport jira for branch-1 and 98 ? The code base seems quite
different and some work needs to be done for the backport.
Yes, I think this is the best way. 
[~ted_yu] you are gonna commit to branch-1? 

> Basic quota support for namespaces
> ----------------------------------
>
>                 Key: HBASE-8410
>                 URL: https://issues.apache.org/jira/browse/HBASE-8410
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Francis Liu
>            Assignee: Vandana Ayyalasomayajula
>             Fix For: 2.0.0
>
>         Attachments: 8410-master.9.patch, HBASE-8410-master.1.patch, HBASE-8410-master.4.patch,
HBASE-8410-master.5.patch, HBASE-8410-master.6.patch, HBASE-8410-master.7.patch, HBASE-8410-master.9.patch,
HBASE-8410-master.patch, HBASE-8410.docx, HBASE-8410_trunk_14.patch
>
>
> This task involves creating an observer which provides basic quota support to namespaces
in terms of (1) number of tables and (2) number of regions. The quota support can be enabled
by setting:
> <property>
>     <name>hbase.coprocessor.region.classes</name>
>     <value>org.apache.hadoop.hbase.namespace.NamespaceController</value>
> </property>
> <property>
>     <name>hbase.coprocessor.master.classes</name>
>     <value>org.apache.hadoop.hbase.namespace.NamespaceController</value>
> </property>
> in the hbase-site.xml.
> To add quotas to namespace, while creating namespace properties need to be added.
> Examples:
> 1. namespace_create 'ns1', {'hbase.namespace.quota.maxregion'=>'10'}
> 2. 1. namespace_create 'ns2', {'hbase.namespace.quota.maxtables'=>'2'}, {'hbase.namespace.quota.maxregion'=>'5'}
> The quotas can be modified/added to namespace at any point of time. 



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