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Title: [3.7] bpo-33735: Fix test_multiprocessing random failure (GH-8059) by miss-islington · Pull Request #8060 · python/cpython · GitHub

Open Graph Title: [3.7] bpo-33735: Fix test_multiprocessing random failure (GH-8059) by miss-islington · Pull Request #8060 · python/cpython

X Title: [3.7] bpo-33735: Fix test_multiprocessing random failure (GH-8059) by miss-islington · Pull Request #8060 · python/cpython

Description: When hunting memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is detected. Modify test_imap_unordered() to be closer to test_imap(): Only test 10 numbers instead of 1000: it's a pool of 4 processes, so 10 is enough to test at least one number per process Use chunksize=100 instead of chunksize=53 to mimick test_imap() (cherry picked from commit 23401fb) Co-authored-by: Victor Stinner vstinner@redhat.com https://bugs.python.org/issue33735

Open Graph Description: When hunting memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is det...

X Description: When hunting memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is det...

Opengraph URL: https://github.com/python/cpython/pull/8060

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ba3fec9 bpo-33735: Fix test_multiprocessing random failure (GH-8059) vstinner Jul 3, 2018 https://github.com/python/cpython/pull/8060/commits/ba3fec9cb9f6b1143458fceb17db9ec280828a9b
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