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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2015/04/11 02:20:12 UTC

[jira] [Updated] (HBASE-4223) Support the ability to return a set of rows using Coprocessors

     [ https://issues.apache.org/jira/browse/HBASE-4223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-4223:
----------------------------------
    Resolution: Incomplete
        Status: Resolved  (was: Patch Available)

> Support the ability to return a set of rows using Coprocessors
> --------------------------------------------------------------
>
>                 Key: HBASE-4223
>                 URL: https://issues.apache.org/jira/browse/HBASE-4223
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors
>    Affects Versions: 0.92.0
>            Reporter: Nichole Treadway
>            Priority: Minor
>         Attachments: HBASE-4223.patch
>
>
> 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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