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From "Francis Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8410) Basic quota support for namespaces
Date Wed, 29 Jan 2014 23:30:11 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Francis Liu updated HBASE-8410:
-------------------------------

    Attachment: HBASE-8410_trunk_14.patch

Submitting a patch with the minor change from Ted in behalf of Vandana as she is on leave.

> 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
>         Attachments: HBASE-8410_trunk_10.patch, HBASE-8410_trunk_10.patch, HBASE-8410_trunk_11.patch,
HBASE-8410_trunk_12.patch, HBASE-8410_trunk_13.patch, HBASE-8410_trunk_14.patch, HBASE-8410_trunk_2.patch,
HBASE-8410_trunk_3.patch, HBASE-8410_trunk_4.patch, HBASE-8410_trunk_4.patch, HBASE-8410_trunk_5.patch,
HBASE-8410_trunk_6.patch, HBASE-8410_trunk_7.patch, HBASE-8410_trunk_8.patch, HBASE-8410_trunk_9.patch,
HBASE_8410.patch, HBASE_8410_1_trunk.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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