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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6942) Endpoint implementation for bulk delete rows
Date Wed, 17 Oct 2012 03:42:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477578#comment-13477578
] 

Anoop Sam John commented on HBASE-6942:
---------------------------------------

Ted
Some drawbacks due to not taking Delete object 
1. When it is a timestamp based delete same TS to be used for all the columns where as in
normal delete diff TS can be used
2. Types can not be mixed. In normal delete one CF delete and other one's column delete and
yet others version delete can be combined
                
> Endpoint implementation for bulk delete rows
> --------------------------------------------
>
>                 Key: HBASE-6942
>                 URL: https://issues.apache.org/jira/browse/HBASE-6942
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors, Performance
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.94.3, 0.96.0
>
>         Attachments: HBASE-6942.patch, HBASE-6942_V2.patch, HBASE-6942_V3.patch, HBASE-6942_V4.patch,
HBASE-6942_V5.patch
>
>
> We can provide an end point implementation for doing a bulk deletion of rows(based on
a scan) at the server side. This can reduce the time taken for such an operation as right
now it need to do a scan to client and issue delete(s) using rowkeys.
> Query like  delete from table1 where...

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