liuxian created SPARK-23992:
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Summary: ShuffleDependency does not need to be deserialized every
time
Key: SPARK-23992
URL: https://issues.apache.org/jira/browse/SPARK-23992
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.3.0
Reporter: liuxian
In the same stage, 'ShuffleDependency' is not necessary to be deserialized each
time.
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