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concurrent.futures.Executor.map() consumes all memory when big generators are used #74508

@Klamann

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@Klamann
mannequin
BPO 30323
Nosy @MojoVampire, @zhangyangyu
Superseder
  • bpo-29842: Make Executor.map work with infinite/large inputs correctly
  • 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 = <Date 2017-05-16.09:32:15.125>
    created_at = <Date 2017-05-09.21:37:02.176>
    labels = ['3.7', 'library', 'performance']
    title = 'concurrent.futures.Executor.map() consumes all memory when big generators are used'
    updated_at = <Date 2017-05-16.09:38:40.987>
    user = 'https://bugs.python.org/Klamann'

    bugs.python.org fields:

    activity = <Date 2017-05-16.09:38:40.987>
    actor = 'berker.peksag'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-05-16.09:32:15.125>
    closer = 'Klamann'
    components = ['Library (Lib)']
    creation = <Date 2017-05-09.21:37:02.176>
    creator = 'Klamann'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 30323
    keywords = []
    message_count = 5.0
    messages = ['293353', '293420', '293539', '293627', '293755']
    nosy_count = 3.0
    nosy_names = ['josh.r', 'xiang.zhang', 'Klamann']
    pr_nums = []
    priority = 'normal'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '29842'
    type = 'resource usage'
    url = 'https://bugs.python.org/issue30323'
    versions = ['Python 3.3', 'Python 3.4', 'Python 3.5', 'Python 3.6', 'Python 3.7']

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      3.7 (EOL)end of lifeperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directory

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