python / python/cpython

multiprocessing, default assumption of Pool size unhelpful

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3.8 (EOL) stdlib topic-multiprocessing type-feature
Dominant language
Python
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Description

BPO 32986
Nosy @pitrou, @njsmith, @eryksun, @applio, @mj-harvey
PRs
  • python/cpython#5959
  • 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 2018-03-02.17:51:29.312>
    labels = ['3.8', 'type-feature', 'library']
    title = 'multiprocessing, default assumption of Pool size unhelpful'
    updated_at = <Date 2019-02-26.07:54:27.392>
    user = 'https://github.com/mj-harvey'
    

    bugs.python.org fields:

    activity = <Date 2019-02-26.07:54:27.392>
    actor = 'eryksun'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2018-03-02.17:51:29.312>
    creator = 'M J Harvey'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 32986
    keywords = ['patch']
    message_count = 12.0
    messages = ['313150', '313381', '313382', '313385', '313386', '313387', '313392', '313401', '313402', '313403', '313406', '313408']
    nosy_count = 7.0
    nosy_names = ['pitrou', 'njs', 'eryksun', 'davin', 'Matthew Rocklin', 'Matt Harvey', 'M J Harvey']
    pr_nums = ['5959']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue32986'
    versions = ['Python 3.8']
    

    Contributor guide

    Open the contributing guide

    First steps

    1. Read the whole issue, then the project's contributing guide.
    2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
    3. Fork the repository and make your change on a branch.
    4. Open a pull request that references the issue number.

    Research direction

    Start by reviewing PR #5959 and the multiprocessing Pool entry point; the issue is in the Library component but names no source file or test. Done requires resolving the default Pool-size assumption and reaching agreement on the proposed change.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    distributed-systems
    Issue type
    Feature
    Difficulty
    4/5
    Estimated time
    3-5 days
    Activity status
    Stale
    Clarity
    Needs clarification
    Newbie friendliness
    20/100

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