multiprocessing Queue leaks a file descriptor associated with the pipe writer (#33081 still a problem)
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3.10
3.7 (EOL)
3.8 (EOL)
3.9 (EOL)
stdlib
topic-multiprocessing
type-bug
- 主要語言
- Python
- 星號
- 77.2k
- 分支
- 36k
- PR 合併指標
- PR 指標待擷取
描述
| BPO | 42752 |
|---|---|
| Nosy | @pitrou, @mattip, @graingert, @applio |
| 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 2020-12-26.23:03:41.032>
labels = ['3.8', '3.9', '3.10', 'performance', '3.7', 'library']
title = 'multiprocessing Queue leaks a file descriptor associated with the pipe writer (#33081 still a problem)'
updated_at = <Date 2022-02-21.11:50:18.407>
user = 'https://bugs.python.org/crazycasta'
bugs.python.org fields:
activity = <Date 2022-02-21.11:50:18.407>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-12-26.23:03:41.032>
creator = 'crazycasta'
dependencies = []
files = ['49701', '49713']
hgrepos = []
issue_num = 42752
keywords = ['patch']
message_count = 5.0
messages = ['383832', '384149', '384151', '384737', '388632']
nosy_count = 5.0
nosy_names = ['pitrou', 'mattip', 'graingert', 'crazycasta', 'davin']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'resource usage'
url = 'https://bugs.python.org/issue42752'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']
Linked PRs
- gh-112900
貢獻指南
從這裡開始
- 先讀完整個 Issue,再讀專案的貢獻指南。
- 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
- Fork 儲存庫,在一個分支上完成修改。
- 送出 Pull Request,並在描述裡引用這個 Issue 編號。
研究方向
先從上傳的 test_queue.py 和 queue_close_write.patch 開始,然後檢查與檔案描述元清理相關的 multiprocessing Queue 管道寫入器行為。執行提供的 Queue 測試,並將現有行為與連結的 PR gh-112900 進行比較。當 reproducer 不再顯示洩漏的管道寫入器描述元,且相關測試通過時,即視為完成。
由索引模型根據 Issue 內容生成。
評估
- 技術堆疊
- python
- 領域
- operating-systems
- Issue 類型
- 缺陷
- 難度
- 4/5
- 預估耗時
- 3-5 天
- 活躍度
- 停滯
- 描述清晰度
- 基本清楚
- 新手友好度
- 25/100