Deadlock in multiprocessing.pool.Pool on terminate
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3.7 (EOL)
stdlib
topic-multiprocessing
type-bug
- 主要语言
- Python
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描述
| BPO | 29759 |
|---|---|
| Nosy | @pitrou, @applio |
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 2017-03-08.17:50:46.188>
labels = ['3.7', 'type-bug', 'library']
title = 'Deadlock in multiprocessing.pool.Pool on terminate'
updated_at = <Date 2020-05-06.13:48:01.640>
user = 'https://bugs.python.org/mapozyan'
bugs.python.org fields:
activity = <Date 2020-05-06.13:48:01.640>
actor = 'ionelmc'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-03-08.17:50:46.188>
creator = 'mapozyan'
dependencies = []
files = []
hgrepos = []
issue_num = 29759
keywords = []
message_count = 5.0
messages = ['289248', '289249', '297215', '297733', '297735']
nosy_count = 4.0
nosy_names = ['pitrou', 'ionelmc', 'davin', 'mapozyan']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue29759'
versions = ['Python 2.7', 'Python 3.5', 'Python 3.6', 'Python 3.7']
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调研方向
从 Python 的库实现中的 multiprocessing.pool.Pool 终止路径开始，调查 terminate 期间报告的死锁。使用一个针对性的 multiprocessing 示例重现该行为，然后确定受影响的同步路径。当 Pool.terminate() 完成且不会发生死锁，并且该行为由回归测试覆盖时，即视为完成。
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评估
- 技术栈
- python
- 领域
- backend, operating-systems
- Issue 类型
- 缺陷
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 活跃度
- 停滞
- 描述清晰度
- 需要澄清
- 新手友好度
- 25/100