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https://issues.apache.org/jira/browse/TEZ-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhiyuan Yang updated TEZ-3654:
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Summary: Make CartesianProduct edge work with GroupInputEdge (was:
CartesianProduct edge won't work with GroupInputEdge)
> Make CartesianProduct edge work with GroupInputEdge
> ---------------------------------------------------
>
> Key: TEZ-3654
> URL: https://issues.apache.org/jira/browse/TEZ-3654
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Zhiyuan Yang
> Assignee: Zhiyuan Yang
> Attachments: TEZ-3654.1.patch, TEZ-3654.2.patch, TEZ-3654.3.patch,
> TEZ-3654.4.patch
>
>
> If a vertex group is used as source of cartesian product, it expands into
> multiple vertices that share the same edge properties and each CP edge is
> taken as individual cartesian product source by CP vertex manager. CP vertex
> manager will find there are more CP edge than expected and abort the AM.
> Ideally group edge semantic should be fixed: both task and vertex manager
> should see same number of sources; also not every edge can be simply
> duplicated.
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