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https://issues.apache.org/jira/browse/HBASE-3434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980585#action_12980585
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dhruba borthakur commented on HBASE-3434:
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Using co-processors seems to be the right thing to do. if I build it this way,
do I still contribute the code back to the Apache HBase svn tree? if so, where
will it be located?
> ability to increment a counter without reading original value from storage
> --------------------------------------------------------------------------
>
> Key: HBASE-3434
> URL: https://issues.apache.org/jira/browse/HBASE-3434
> Project: HBase
> Issue Type: Improvement
> Components: client, regionserver
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
>
> There are a bunch of applications that do read-modify-write operations on
> HBase constructs, e.g a counter; The counter value has to be read in from
> hdfs before it can be incremented. We have an application where the number
> of increments on a counter far outnumbers the number of times the counter is
> used or read. For these type of applications, it will be very beneficial to
> not have to read in the counter from disk before it can be incremented.
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