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Posted to dev@crunch.apache.org by "Josh Wills (JIRA)" <ji...@apache.org> on 2015/02/23 20:54:12 UTC

[jira] [Commented] (CRUNCH-501) Object reuse issue in combineValues(Aggregator)

    [ https://issues.apache.org/jira/browse/CRUNCH-501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14333723#comment-14333723 ] 

Josh Wills commented on CRUNCH-501:
-----------------------------------

Ack, that's no good. Fixing it now.

> Object reuse issue in combineValues(Aggregator)
> -----------------------------------------------
>
>                 Key: CRUNCH-501
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-501
>             Project: Crunch
>          Issue Type: Bug
>            Reporter: Brandon Davis
>
> I'm trying to use combineValues on a PGroupedTable. I am using Aggregators.FIRST_N. If I have 20 keys in my PGroupedTable, then I only get 20 distinct values because the AggregatorCombineFn and FirstNAggregator don't detach the values from the incoming iterator.



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