holdenk created SPARK-20347:
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             Summary: Provide AsyncRDDActions in Python
                 Key: SPARK-20347
                 URL: https://issues.apache.org/jira/browse/SPARK-20347
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 2.2.0
            Reporter: holdenk
            Priority: Minor


In core Spark AsyncRDDActions allows people to perform non-blocking RDD 
actions. In Python where threading & is a bit more involved there could be 
value in exposing this, the easiest way might involve using the Py4J callback 
server on the driver.



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