Siddharth Seth created TEZ-1172:
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             Summary: Allow multiple Root Input initializers to be specified 
per Vertex
                 Key: TEZ-1172
                 URL: https://issues.apache.org/jira/browse/TEZ-1172
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Siddharth Seth
            Assignee: Siddharth Seth


The default VertexManager in Tez for this handles only 1 RootInput - since it 
doesn't know how to combine multiple different Inputs. However, if a custom 
vertex manager plugin is specified by users - it should be possible to specify 
multiple RootInputs.



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