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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/08/20 03:04:30 UTC

[jira] [Created] (SPARK-3142) Reduce memory usage in Word2Vec

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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