Yingda Chen created TEZ-4001:
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Summary: Allow mixture of CONCURRENT/SEQUENTIAL incoming edges on
the same vertex
Key: TEZ-4001
URL: https://issues.apache.org/jira/browse/TEZ-4001
Project: Apache Tez
Issue Type: Task
Reporter: Yingda Chen
This is an umbrella task of TEZ-3997.
In the above two changes, we assume that a vertex’s incoming edges should have
the same edge property in terms of Scheduling Type, i.e., they are either all
SEQUENTIAL, or, all CONCURRENT.
We shall extend beyond this assumption in this change to allow mixture of
different incoming edge types, as exemplified in Fig.2.
Fig. 2 Vertex with mixture of input edges
This change will mainly focus on enriching the VertexMangagerPlugin
implementation that we introduced in our first change, namely, the
VertexManagerWithConcurrentInputs. No API change is expected with this change.
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