hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Vandana Ayyalasomayajula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8410) Basic quota support for namespaces
Date Thu, 09 Jan 2014 21:47:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867114#comment-13867114
] 

Vandana Ayyalasomayajula commented on HBASE-8410:
-------------------------------------------------

[~tedyu@apache.org] -- Would you be able to do a fresh review ? I have changed the code quite
a bit from your previous review. Thanks!
[~saint.ack@gmail.com] -- With  the latest patch, meta is not scanned every time, only once
after master starts  up.  In your previous comments, you wanted to know why ZK namespace manager
is required in the RS.  The auditor runs in the master and all the region servers. So instead
of starting zk namepsace manager on all the regions, I had it the RS, so that all the regions
belonging to the RS can shared it. 

> 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_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. 



--
This message was sent by Atlassian JIRA
(v6.1.5#6160)

Mime
View raw message