Avi minsky created SPARK-26143:
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Summary: Shuffle shuffle default persist type
Key: SPARK-26143
URL: https://issues.apache.org/jira/browse/SPARK-26143
Project: Spark
Issue Type: New Feature
Components: Shuffle
Affects Versions: 2.3.0
Reporter: Avi minsky
Currently developer can set persist type explicitly only on persist command but
shuffling can occur in many cases (group by, join, etc..) why can we set a
default shuffle mode, this can be helpful in many cases (also will
automatically allow replication of shuffle blocks if set to memory_only_2, for
example)
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