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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-940) DeltaIteration coGroup at SolutionSet doesn't find values
Date Tue, 17 Jun 2014 23:27:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034590#comment-14034590
] 

Stephan Ewen commented on FLINK-940:
------------------------------------

I have tried your sample code in both variants (co group first and second).

I get the exact same results both times. Both with version 0.5.1 and 0.6-SNAPSHOT

I ran it on degree-of-parallelism 4.

> DeltaIteration coGroup at SolutionSet doesn't find values
> ---------------------------------------------------------
>
>                 Key: FLINK-940
>                 URL: https://issues.apache.org/jira/browse/FLINK-940
>             Project: Flink
>          Issue Type: Bug
>          Components: Java API
>    Affects Versions: pre-apache-0.5.1
>            Reporter: Bastian Köcher
>            Assignee: Stephan Ewen
>         Attachments: IMPRO-3.SS14.G03.zip
>
>
> If I execute a coGroup on a SolutionSet, the grouping doesn't find any matching tuples,
but if I reverse the grouping(SolutionSet as second set), matching tuples are found.



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