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https://issues.apache.org/jira/browse/HBASE-5762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-5762:
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Affects Version/s: (was: 0.92.0)
2.0.0
> Coprocessor : Add combiner at Region server level.
> --------------------------------------------------
>
> Key: HBASE-5762
> URL: https://issues.apache.org/jira/browse/HBASE-5762
> Project: HBase
> Issue Type: Sub-task
> Components: Coprocessors
> Affects Versions: 2.0.0
> Reporter: Ravindra Pesala
>
> End point coprocessors works on each region and send the result back to the
> client.If there is a scenario like aggregating the values based on some key
> patterns then we have to reduce all the results at the client side.
> So if we can provide combiner( just like map/reduce) functionality at region
> server level then all region results can be reduced at region server and send
> the result to the client.This will reduce the network traffic as only single
> result will be sent by each region server.
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