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From "Ravindra Pesala (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5762) Coprocessor : Add combiner at Region server level.
Date Tue, 10 Apr 2012 22:43:16 GMT
Coprocessor : Add combiner at Region server level.
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                 Key: HBASE-5762
                 URL: https://issues.apache.org/jira/browse/HBASE-5762
             Project: HBase
          Issue Type: New Feature
          Components: coprocessors
    Affects Versions: 0.92.0
            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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