Race condition in multiprocessing Queue

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#77,060 4 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
backend

Research direction

Start by reading and running the attached code.py reproduction, then trace the multiprocessing.Queue behavior involved in the reported race. Confirm the failure mode and identify the relevant Queue implementation before determining how completion should be verified.

Written by the indexing model from the issue text.

Description

topic-multiprocessing type-bug
BPO 32879
Nosy @tim-one, @sim0504
Files
  • code.py: Code that reproduce the behavior
    		•

    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 2018-02-20.01:55:01.919>
labels = ['type-bug']
title = 'Race condition in multiprocessing Queue'
updated_at = <Date 2019-11-10.22:05:56.670>
user = 'https://github.com/sim0504'

    bugs.python.org fields:

    activity = <Date 2019-11-10.22:05:56.670>
actor = 'highvelcty'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2018-02-20.01:55:01.919>
creator = 'TwistedSim'
dependencies = []
files = ['47453']
hgrepos = []
issue_num = 32879
keywords = []
message_count = 4.0
messages = ['312391', '312392', '354134', '356340']
nosy_count = 3.0
nosy_names = ['tim.peters', 'TwistedSim', 'highvelcty']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue32879'
versions = ['Python 3.6']

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