multiprocessing.Pool shouldn't hang forever if a worker process dies unexpectedly

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Since May 20, 2025.

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Description

stdlib topic-multiprocessing type-feature
BPO 22393
Nosy @pitrou, @applio, @oesteban, @rkm, @kormang, @shnizzedy
PRs
  • python/cpython#10441
  • python/cpython#16103
    		•
    Files
  • multiproc_broken_pool.diff: Abort running task and close down a pool if a worker is unexpectedly terminated.
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2014-09-11.22:33:06.739>
labels = ['3.8', 'type-feature', 'library']
title = "multiprocessing.Pool shouldn't hang forever if a worker process dies unexpectedly"
updated_at = <Date 2021-10-18.03:11:08.813>
user = 'https://bugs.python.org/danoreilly'

    bugs.python.org fields:

    activity = <Date 2021-10-18.03:11:08.813>
actor = 'myles.steinhauser'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2014-09-11.22:33:06.739>
creator = 'dan.oreilly'
dependencies = []
files = ['36603']
hgrepos = []
issue_num = 22393
keywords = ['patch']
message_count = 11.0
messages = ['226805', '294968', '315684', '315687', '329381', '329383', '329770', '333895', '351754', '390775', '390780']
nosy_count = 14.0
nosy_names = ['pitrou', 'jnoller', 'cvrebert', 'sbt', 'dan.oreilly', 'davin', 'brianboonstra', 'cjmarkie', 'Francis Bolduc', 'oesteban', 'rkm', 'kormang', 'shnizzedy', 'myles.steinhauser']
pr_nums = ['10441', '16103']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue22393'
versions = ['Python 3.8']

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