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Memory leak in ThreadPoolExecutor + run_in_executor #82611

@EvgenyNizhibitsky

Description

@EvgenyNizhibitsky
BPO 38430
Nosy @asvetlov, @1st1, @eamanu
PRs
  • WIP: bpo-38430: Memory leak in ThreadPoolExecutor + run_in_executor #17038
  • Files
  • python-leak.zip: Minimal python script + dockerfile/makefile for reproducibility
  • 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 2019-10-10.09:41:34.118>
    labels = ['expert-asyncio', '3.7', '3.9', 'performance']
    title = 'Memory leak in ThreadPoolExecutor + run_in_executor'
    updated_at = <Date 2019-11-05.01:20:32.415>
    user = 'https://bugs.python.org/EvgenyNizhibitsky'

    bugs.python.org fields:

    activity = <Date 2019-11-05.01:20:32.415>
    actor = 'vstinner'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['asyncio']
    creation = <Date 2019-10-10.09:41:34.118>
    creator = 'Evgeny Nizhibitsky'
    dependencies = []
    files = ['48654']
    hgrepos = []
    issue_num = 38430
    keywords = ['patch']
    message_count = 14.0
    messages = ['354351', '354352', '354353', '354354', '354355', '354356', '354357', '354358', '354360', '355835', '355836', '355843', '355864', '355882']
    nosy_count = 4.0
    nosy_names = ['asvetlov', 'yselivanov', 'eamanu', 'Evgeny Nizhibitsky']
    pr_nums = ['17038']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'resource usage'
    url = 'https://bugs.python.org/issue38430'
    versions = ['Python 3.6', 'Python 3.7', 'Python 3.9']

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      3.10only security fixes3.11only security fixes3.12only security fixestopic-asynciotype-bugAn unexpected behavior, bug, or error

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