Hitesh Sharma created TEZ-4010:
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Summary: Use InputReadyVertexManager for broadcast connection
Key: TEZ-4010
URL: https://issues.apache.org/jira/browse/TEZ-4010
Project: Apache Tez
Issue Type: Improvement
Reporter: Hitesh Sharma
As per
[VertexImpl::assignVertexManager|https://github.com/apache/tez/blob/39d76a656216d4843908279ef8eaa29a4cc83104/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/VertexImpl.java#L2677]
an ImmediateStartVertexManager is used for broadcast connections. This seems
to be inefficient as tasks are started way before they can run in the DAG.
Thoughts on using InputReadyVertexManager for broadcast connections?
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