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From "Nichole Treadway (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4223) Support the ability to return a set of rows using Coprocessors
Date Thu, 18 Aug 2011 04:11:27 GMT
Support the ability to return a set of rows using Coprocessors
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                 Key: HBASE-4223
                 URL: https://issues.apache.org/jira/browse/HBASE-4223
             Project: HBase
          Issue Type: Improvement
          Components: coprocessors
            Reporter: Nichole Treadway
            Priority: Minor


Currently HBase supports returning the results of aggregation operations using coprocessors
with the AggregationClient. It would be useful to include a client and implementation which
would return a set of rows which match a certain criteria using coprocessors as well. We have
a use case in our business process for this. 

We have an initial implementation of this, which I've attached. The only limitation that we've
found is that it cannot be used to return very large sets of rows. If the result set is very
large, it would probably require some sort of pagination.

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