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https://issues.apache.org/jira/browse/TEZ-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527937#comment-14527937
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Jeff Zhang commented on TEZ-2221:
---------------------------------
{code}
If VertexGroup("A", v1) and VertexGroup("B", v1) and connecting both to v2
allows for multiple edges between v1 and v2 then we should allow 2.
{code}
This looks more like hack or workaround for multiple edges. If we need to
support multiple edges, may need to create more elegant API.
> VertexGroup name should be unqiue
> ---------------------------------
>
> Key: TEZ-2221
> URL: https://issues.apache.org/jira/browse/TEZ-2221
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jeff Zhang
> Assignee: Jeff Zhang
> Fix For: 0.7.0, 0.5.4, 0.6.1
>
> Attachments: TEZ-2221-1.patch, TEZ-2221-2.patch, TEZ-2221-3.patch,
> TEZ-2221-4.patch
>
>
> VertexGroupCommitStartedEvent & VertexGroupCommitFinishedEvent use vertex
> group name to identify the vertex group commit, the same name of vertex group
> will conflict. While in the current equals & hashCode of VertexGroup, vertex
> group name and members name are used.
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