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Asyncio: Pipes and socket IO is very slow #71096

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socketpair mannequin opened this issue May 2, 2016 · 3 comments
Closed

Asyncio: Pipes and socket IO is very slow #71096

socketpair mannequin opened this issue May 2, 2016 · 3 comments
Labels
performance Performance or resource usage topic-asyncio

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@socketpair
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Mannequin

socketpair mannequin commented May 2, 2016

BPO 26909
Nosy @gvanrossum, @vstinner, @socketpair, @1st1
PRs
  • [Do Not Merge] Convert Misc/NEWS so that it is managed by towncrier #552
    		•

    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 2016-09-15.20:59:19.773>
created_at = <Date 2016-05-02.17:06:33.401>
labels = ['expert-asyncio', 'performance']
title = 'Asyncio: Pipes and socket IO is very slow'
updated_at = <Date 2017-03-31.16:36:23.793>
user = 'https://github.com/socketpair'

    bugs.python.org fields:

    activity = <Date 2017-03-31.16:36:23.793>
actor = 'dstufft'
assignee = 'none'
closed = True
closed_date = <Date 2016-09-15.20:59:19.773>
closer = 'yselivanov'
components = ['asyncio']
creation = <Date 2016-05-02.17:06:33.401>
creator = 'socketpair'
dependencies = []
files = []
hgrepos = []
issue_num = 26909
keywords = []
message_count = 3.0
messages = ['264655', '276618', '276619']
nosy_count = 5.0
nosy_names = ['gvanrossum', 'vstinner', 'socketpair', 'python-dev', 'yselivanov']
pr_nums = ['552']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue26909'
versions = ['Python 3.5']
    @socketpair
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    Mannequin Author

    socketpair mannequin commented May 2, 2016

    python/asyncio#338

    (example of program shows bug resides on github)

    @socketpair socketpair mannequin added topic-asyncio performance Performance or resource usage labels May 2, 2016
    @socketpair socketpair mannequin changed the title Serious performance loss (10 times) when NOT using .drain() Asyncio: Pipes and socket IO is very slow May 16, 2016
    @python-dev
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    Mannequin

    python-dev mannequin commented Sep 15, 2016

    New changeset e6adc2448c3d by Yury Selivanov in branch '3.5':
    Issue bpo-26909: Fix slow pipes IO in asyncio.
    https://hg.python.org/cpython/rev/e6adc2448c3d

    New changeset c462db8985d8 by Yury Selivanov in branch '3.6':
    Merge 3.5 (asyncio, issue bpo-26909)
    https://hg.python.org/cpython/rev/c462db8985d8

    New changeset 6b07f261ccf4 by Yury Selivanov in branch 'default':
    Merge 3.6 (asyncio, issue bpo-26909)
    https://hg.python.org/cpython/rev/6b07f261ccf4

    @1st1
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    1st1 commented Sep 15, 2016

    Closing this one. Thank you Mark for discovering the issue and suggesting a solution (still hope we'll commit your patch in 3.7).

    Thank you INADA Naoki for the patch!

    @1st1 1st1 closed this as completed Sep 15, 2016
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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