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https://issues.apache.org/jira/browse/TEZ-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377301#comment-14377301
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Hitesh Shah commented on TEZ-2221:
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what happens if someone does the following:
{code}
dag.createVertexGroup("group_1", v1,v2);
dag.createVertexGroup("group_2", v1,v2);
{code}
This should also be disallowed. Correct?
> 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
> Attachments: TEZ-2221-1.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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