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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8410) Basic quota support for namespaces
Date Sat, 24 Jan 2015 18:38:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290754#comment-14290754
] 

Ted Yu commented on HBASE-8410:
-------------------------------

Integrated to master after addressing checkstyle nits.

The above QA run stopped at hbase-rest module which should not have been caused by the patch.

Thanks for the contribution, Vandana.

Will watch for trunk build before integrating 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, 1.1.0
>
>         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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