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https://issues.apache.org/jira/browse/TEZ-1065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079658#comment-14079658
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Bikas Saha commented on TEZ-1065:
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Probably DAGImpl.vertexMap also needs to maintain the order by being
LinkedHashMap. Thanks Jeff for taking this up. The idea is that if the user has
added vertices v1, v2, v3 to the DAG then the getStatus() should also show
vertices in the order v1, v2, v3.
> DAGStatus.getVertexStatus and other vertex related API's should maintain
> vertex order
> -------------------------------------------------------------------------------------
>
> Key: TEZ-1065
> URL: https://issues.apache.org/jira/browse/TEZ-1065
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.5.0
> Reporter: Bikas Saha
> Assignee: Jeff Zhang
> Priority: Blocker
> Labels: newbie
> Attachments: TEZ-1065.1.patch
>
>
> They should maintain the incoming vertex order. In VertexProgress e.g. lets
> use LinkedHashMap instead of HashMap.
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