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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