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From "Ashish Singhi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13098) HBase Connection Control
Date Wed, 25 Feb 2015 13:42:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14336481#comment-14336481
] 

Ashish Singhi commented on HBASE-13098:
---------------------------------------

Attached patch.
Please review and share your thoughts or suggestions if you have any.
Thanks

> HBase Connection Control
> ------------------------
>
>                 Key: HBASE-13098
>                 URL: https://issues.apache.org/jira/browse/HBASE-13098
>             Project: HBase
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 0.98.10
>            Reporter: Ashish Singhi
>            Assignee: Ashish Singhi
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: HBASE-13098.patch, HBase Connection Control.pdf
>
>
> It is desirable to set the limit on the number of client connections permitted to the
HBase server by controlling with certain system variables/parameters. Too many connections
to the HBase server imply too many queries and MR jobs running on HBase. This can slow down
the performance of the system and lead to denial of service. Hence such connections need to
be controlled. Using too many connections may just cause thrashing rather than get more useful
work done.
> This is kind off inspired from http://www.ebaytechblog.com/2014/08/21/quality-of-service-in-hadoop/#.VO2JXXyUe9y



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