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https://issues.apache.org/jira/browse/DATAFU-116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eyal Allweil closed DATAFU-116.
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Resolution: Won't Fix
Since it seems like Pig doesn't use the Accumulator interface when there are
multiple bags in the input, this improvement isn't relevant for these UDF's.
> Make SetIntersect and SetDifference implement Accumulator
> ---------------------------------------------------------
>
> Key: DATAFU-116
> URL: https://issues.apache.org/jira/browse/DATAFU-116
> Project: DataFu
> Issue Type: Improvement
> Affects Versions: 1.3.0
> Reporter: Eyal Allweil
>
> SetIntersect and SetDifference accept only sorted bags, and the output is
> always smaller than the inputs. Therefore an accumulator implementation
> should be possible and it will improve memory usage (somewhat) and allow Pig
> to optimize loops with these operations better.
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