Liquan Pei created SPARK-2907:
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Summary: Use mutable.HashMap to represent Model in Word2Vec
Key: SPARK-2907
URL: https://issues.apache.org/jira/browse/SPARK-2907
Project: Spark
Issue Type: Improvement
Components: MLlib
Affects Versions: 1.1.0
Reporter: Liquan Pei
Use mutable.HashMap to represent Word2Vec to reduce memory footprint and
shuffle size.
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