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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:
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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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