Siddharth Seth created TEZ-1397:
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Summary: Node affinity for tasks processing the same splits
Key: TEZ-1397
URL: https://issues.apache.org/jira/browse/TEZ-1397
Project: Apache Tez
Issue Type: Improvement
Reporter: Siddharth Seth
Assignee: Siddharth Seth
Within a session, if the same set of HDFS blocks are accessed by different
tasks - these should ideally be launched on the same node for better buffer
cache, etc utilization.
This will likely end up being another level of requests higher up than
NODE_LOCAL for the scheduler.
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