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Posted to dev@datafu.apache.org by "Eyal Allweil (JIRA)" <ji...@apache.org> on 2016/02/04 10:05:40 UTC

[jira] [Commented] (DATAFU-114) Make FirstTupleFromBag implement Accumulator

    [ https://issues.apache.org/jira/browse/DATAFU-114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131991#comment-15131991 ] 

Eyal Allweil commented on DATAFU-114:
-------------------------------------

Anyone?

> Make FirstTupleFromBag implement Accumulator
> --------------------------------------------
>
>                 Key: DATAFU-114
>                 URL: https://issues.apache.org/jira/browse/DATAFU-114
>             Project: DataFu
>          Issue Type: Improvement
>    Affects Versions: 1.3.0
>         Environment: All
>            Reporter: Eyal Allweil
>            Priority: Minor
>              Labels: easyfix, newbie, performance
>         Attachments: FirstTupleFromBag.java
>
>
> FirstTupleFromBag only needs the first tuple from the bag, but because it doesn't implement Accumulator the entire bag needs to be passed to it in-memory. The fix is very minor and will make the UDF support large bags.



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