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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6942) Endpoint implementation for bulk delete rows
Date Thu, 18 Oct 2012 03:02:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13478621#comment-13478621
] 

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

Yes 0.94 code base
Pls see the javadoc in HRegionInterface.java
{code}
/**
   * Put an array of puts into the specified region
   *
   * @param regionName region name
   * @param puts List of puts to execute
   * @return The number of processed put's.  Returns -1 if all Puts
   * processed successfully.
   * @throws IOException e
   */
  public int put(final byte[] regionName, final List<Put> puts)
  throws IOException;
{code}
*return The number of processed put's*

                
> 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_DeleteTemplate.patch, HBASE-6942.patch, HBASE-6942_V2.patch,
HBASE-6942_V3.patch, HBASE-6942_V4.patch, HBASE-6942_V5.patch, HBASE-6942_V6.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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