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https://issues.apache.org/jira/browse/HBASE-6942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475632#comment-13475632
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Anoop Sam John commented on HBASE-6942:
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This filter returns the 1st KV corresponds to any of the
columns(cf:qualifier)only
I think even that also we wont be able to use in our case...
For a delete request like "delete from tab where c2=? AND c3=?" Here once the
filter finds KV corresponds to c2 it will make the scan jump to next row... So
wont get a chance to compare the value for c3
I will post a patch for trunk on Monday..
> 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
>
>
> 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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