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https://issues.apache.org/jira/browse/TEZ-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623855#comment-15623855
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Zhiyuan Yang commented on TEZ-3465:
-----------------------------------
Thanks a lot for your review! Regarding to your question, if tasks of broadcast
source isn't running yet, destination task could unlikely make progress in
typically scenarios. Ideally we may want to do slow star on broadcast sources
also, but that's not necessary for now. I'll upload a new patch later to
address other comments.
> Support broadcast edge into cartesian product vertex and forbid other edges
> ---------------------------------------------------------------------------
>
> Key: TEZ-3465
> URL: https://issues.apache.org/jira/browse/TEZ-3465
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Zhiyuan Yang
> Assignee: Zhiyuan Yang
> Attachments: TEZ-3465.1.patch, TEZ-3465.2.patch, TEZ-3465.3.patch
>
>
> Cartesian product vertex manager should support other incoming edge type.
> Currently only broadcast edge is necessary, although potentially more edge
> types could also be. Custom edge need its own vertex manager which can't work
> with Cartesian product VM, so it has to be forbade.
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