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https://issues.apache.org/jira/browse/PIG-3743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheolsoo Park reopened PIG-3743:
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Actually, I introduced a terrible skew to union in my previous patch.
Since I am setting key to null, every record goes to a single task in reducer
vertex. I will post a fix shortly.
> Use VertexGroup and Alias vertex for union
> ------------------------------------------
>
> Key: PIG-3743
> URL: https://issues.apache.org/jira/browse/PIG-3743
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Reporter: Rohini Palaniswamy
> Assignee: Cheolsoo Park
> Fix For: tez-branch
>
> Attachments: PIG-3743-1.patch, PIG-3743-2.patch
>
>
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