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Posted to issues@spark.apache.org by "Zoltán Zvara (JIRA)" <ji...@apache.org> on 2015/08/12 11:36:45 UTC

[jira] [Created] (SPARK-9875) Do not evaluate foreach and foreachPartition with count

Zoltán Zvara created SPARK-9875:
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             Summary: Do not evaluate foreach and foreachPartition with count
                 Key: SPARK-9875
                 URL: https://issues.apache.org/jira/browse/SPARK-9875
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
            Reporter: Zoltán Zvara
            Priority: Minor


It is evident, that the summation inside count will result in an overhead, which would be nice to remove from the current execution.

{{self.mapPartitions(func).count()  # Force evaluation}} @{{rdd.py}}



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