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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2014/08/14 08:45:11 UTC

[jira] [Created] (SPARK-3030) reuse python worker

Davies Liu created SPARK-3030:
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             Summary: reuse python worker
                 Key: SPARK-3030
                 URL: https://issues.apache.org/jira/browse/SPARK-3030
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
            Reporter: Davies Liu


Currently, it will fork an Python worker for each task, it will better if we can reuse the worker for later tasks.

This will be very useful for large dataset with big broadcast, so it does not need to sending broadcast to worker again and again. Also it can reduce the overhead of launch a task.



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