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https://issues.apache.org/jira/browse/TEZ-1153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087076#comment-14087076
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Bikas Saha commented on TEZ-1153:
---------------------------------

Option 1) Add a new API called add(Key, Value, List<VertexNames>). This can be 
done compatibly but makes the API weird because one takes an enum and the other 
takes list vertices.

Option 2) Break now to create addForVertex(K,V), addForDAG(K,V), 
addForSession(K,V). Later extend with addForVertices(K,V, Vertices).

Thoughts?

> Allow object caching for more than one vertex
> ---------------------------------------------
>
>                 Key: TEZ-1153
>                 URL: https://issues.apache.org/jira/browse/TEZ-1153
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Rohini Palaniswamy
>            Priority: Blocker
>
>   It would be good to have option to cache an object for more than 1 vertex 
> by specifying a list of vertex ids



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