Multiprocessing shared_memory ValueError on race with ShareableList
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3.8 (EOL)
3.9 (EOL)
topic-multiprocessing
type-bug
- 主要语言
- Python
- 星标
- 77.2k
- 派生
- 36k
- PR 合并指标
- PR 指标待抓取
描述
| BPO | 37652 |
|---|---|
| Nosy | @pitrou, @applio, @bensimner, @pierreglaser, @mental32 |
| Files |
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 2019-07-22.15:13:18.222>
labels = ['type-bug', '3.8', '3.9']
title = 'Multiprocessing shared_memory ValueError on race with ShareableList'
updated_at = <Date 2019-09-11.17:44:09.596>
user = 'https://github.com/bensimner'
bugs.python.org fields:
activity = <Date 2019-09-11.17:44:09.596>
actor = 'davin'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2019-07-22.15:13:18.222>
creator = 'bjs'
dependencies = []
files = ['48496']
hgrepos = []
issue_num = 37652
keywords = []
message_count = 9.0
messages = ['348299', '348443', '348449', '348487', '348536', '348604', '348606', '351998', '352001']
nosy_count = 5.0
nosy_names = ['pitrou', 'davin', 'bjs', 'pierreglaser', 'mental']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue37652'
versions = ['Python 3.8', 'Python 3.9']
贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
调研方向
从链接的 test.py 文件以及 issue 中描述的 multiprocessing shared_memory 和 ShareableList 行为开始。重现共享内存访问与 ShareableList 清理之间的竞态，然后检查相关的 multiprocessing 测试和实现。当该竞态不再产生报告的 ValueError 时，即视为完成。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- python
- 领域
- distributed-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
- 基本清楚
- 新手友好度
- 35/100