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Posted to issues@spark.apache.org by "Nicholas Chammas (JIRA)" <ji...@apache.org> on 2015/01/09 01:58:35 UTC

[jira] [Created] (SPARK-5161) Parallelize Python test execution

Nicholas Chammas created SPARK-5161:
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             Summary: Parallelize Python test execution
                 Key: SPARK-5161
                 URL: https://issues.apache.org/jira/browse/SPARK-5161
             Project: Spark
          Issue Type: Improvement
          Components: Project Infra
    Affects Versions: 1.2.0
            Reporter: Nicholas Chammas


[Original discussion here.|https://github.com/apache/spark/pull/3564#issuecomment-67785676]

As of 1.2.0, Python tests take around 10-12 minutes to run. Once [SPARK-3431] is complete, this will become a significant fraction of the total test time.

There are 2 separate approaches to explore for parallelizing the execution of Python unit tests:
* Use GNU parallel to run each Python test file in parallel.
* Use [{{nose}}|http://nose.readthedocs.org/en/latest/doc_tests/test_multiprocess/multiprocess.html] to parallelize all Python tests in a more extensible/configurable way.



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