python / python/cpython

socket methods with timeout take very slow path on Windows

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#85,972 3 comments 0 reactions 0 assignees View on GitHub

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OS-windows performance stdlib topic-socket type-feature
Dominant language
Python
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Description

BPO 41806
Nosy @pfmoore, @tjguk, @zware, @zooba

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 2020-09-17.20:25:37.882>
labels = ['3.8', '3.9', '3.10', 'performance', 'library', 'OS-windows']
title = 'socket methods with timeout take very slow path on Windows'
updated_at = <Date 2020-09-17.20:25:37.882>
user = 'https://github.com/zooba'

bugs.python.org fields:

activity = <Date 2020-09-17.20:25:37.882>
actor = 'steve.dower'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)', 'Windows']
creation = <Date 2020-09-17.20:25:37.882>
creator = 'steve.dower'
dependencies = []
files = []
hgrepos = []
issue_num = 41806
keywords = []
message_count = 1.0
messages = ['377065']
nosy_count = 4.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'steve.dower']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue41806'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

Linked PRs
  • gh-110988

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 reading BPO issue 41806 and the linked PR gh-110988, since no source files or tests are named here. Trace the Windows socket timeout path and review the linked work to determine the intended fix and validation; done means the slow path is addressed without regressing timeout behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
networking, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
15/100

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