Aaron Davidson created SPARK-4188:
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Summary: Shuffle fetches should be retried at a lower level
Key: SPARK-4188
URL: https://issues.apache.org/jira/browse/SPARK-4188
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 1.2.0
Reporter: Aaron Davidson
Sometimes fetches will fail due to garbage collection pauses or network load. A
simple retry could save recomputation of a lot of shuffle data, especially if
it's below the task level (i.e., on the level of a single fetch).
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