Xiangrui Meng created SPARK-3142:
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Summary: Reduce memory usage in Word2Vec
Key: SPARK-3142
URL: https://issues.apache.org/jira/browse/SPARK-3142
Project: Spark
Issue Type: Improvement
Components: MLlib
Reporter: Xiangrui Meng
Assignee: Xiangrui Meng
A temporary list is created to store shuffle data, which is not necessary. We
can wrap it into an iterator.
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