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https://issues.apache.org/jira/browse/ACCUMULO-2177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868630#comment-13868630
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Josh Elser commented on ACCUMULO-2177:
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FirstEntryInRowIterator would be a nice starting point here -- would be easy to
(re)implement a FirstEntryInRowIterator given a FirstNEntriesInRowIterator.
> A scan time iterator to return the first N entries encountered for each row
> in the input range. (FirstNEntriesInRowIterator)
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: ACCUMULO-2177
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2177
> Project: Accumulo
> Issue Type: Improvement
> Components: client
> Reporter: Corey J. Nolet
> Priority: Minor
> Labels: iterators
>
> I have found this iterator extremely useful when it is important to run a
> batch scan over a bunch of different ranges but guarantee that a predefined
> number of results get returned for each row.
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