python / python/cpython

multiprocessing.Process file descriptor resource leak

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docs stdlib topic-multiprocessing type-bug
主要语言
Python
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描述

BPO 39535
Files
  • proc_test.py: test script to demonstrate resource leak
  • 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 2020-02-03.09:21:12.039>
    labels = ['docs', 'library', 'performance']
    title = 'multiprocessing.Process file descriptor resource leak'
    updated_at = <Date 2020-02-03.09:56:03.757>
    user = 'https://bugs.python.org/RobertPierce'
    

    bugs.python.org fields:

    activity = <Date 2020-02-03.09:56:03.757>
    actor = 'Robert Pierce'
    assignee = 'docs@python'
    closed = False
    closed_date = None
    closer = None
    components = ['Documentation', 'Library (Lib)']
    creation = <Date 2020-02-03.09:21:12.039>
    creator = 'Robert Pierce'
    dependencies = []
    files = ['48878']
    hgrepos = []
    issue_num = 39535
    keywords = []
    message_count = 2.0
    messages = ['361273', '361275']
    nosy_count = 2.0
    nosy_names = ['docs@python', 'Robert Pierce']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'resource usage'
    url = 'https://bugs.python.org/issue39535'
    versions = ['Python 3.6']
    

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    调研方向

    首先运行链接的 proc_test.py 脚本,以复现 multiprocessing.Process 的文件描述符泄漏问题,然后跟踪 CPython 中相关的 multiprocessing.Process 实现。当复现不再泄漏描述符,并且该行为由适当的回归测试覆盖时,即表示完成。

    由索引模型根据 Issue 内容生成。

    评估

    技术栈
    python
    领域
    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
    30/100

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