Chao Sun created SPARK-50307:
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Summary: Spark should respect spark.shuffle.io.preferDirectBufs in
BlockTransferMessage
Key: SPARK-50307
URL: https://issues.apache.org/jira/browse/SPARK-50307
Project: Spark
Issue Type: Improvement
Components: Shuffle
Affects Versions: 3.5.3
Reporter: Chao Sun
Attachments: Screenshot 2024-11-13 at 4.03.51 PM.png
In {{{}BlockTransferMessage{}}}, we always allocate heap buffer regardless of
whether {{spark.shuffle.io.preferDirectBufs}} is true or not:
!image-2024-11-13-16-03-18-978.png!
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