[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Senthil Kumaran]

Senthil Kumaran added the comment:

Марк, it's documented now. Thank you for the patch.

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nosy: +orsenthil
resolution:  -> fixed
stage: needs patch -> resolved
status: open -> closed

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Roundup Robot]

Roundup Robot added the comment:

New changeset eddbf14f451b by Senthil Kumaran in branch '3.5':
issue27021 - Document SC_IOV_MAX limitation imposed by OS on os.writev.
https://hg.python.org/cpython/rev/eddbf14f451b

New changeset 0b1cd695e7aa by Senthil Kumaran in branch 'default':
[merge from 3.5] - issue27021 - Document SC_IOV_MAX limitation imposed by OS on 
os.writev.
https://hg.python.org/cpython/rev/0b1cd695e7aa

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Марк Коренберг]

Марк Коренберг added the comment:

Attached the patch. Please review.

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keywords: +patch
Added file: http://bugs.python.org/file43449/writev_doc.patch

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Марк Коренберг]

Марк Коренберг added the comment:

Oops. It is documented in latest version...

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Марк Коренберг]

Марк Коренберг added the comment:

Also it is not documented that os.writev() is not awailable on Windows (!)
Also see issue27346

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Martin Panter]

Changes by Martin Panter :


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versions:  -Python 3.3, Python 3.4

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Jim Jewett]

Changes by Jim Jewett :


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stage:  -> needs patch

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[issue27021] It is not documented that os.writev() suffer from SC_IOV_MAX

[Марк Коренберг]

New submission from Марк Коренберг:

Really, os.writev() suffer from SC_IOV_MAX. This is documented for 
socket.sendmsg(), but not for os.writev():

The operating system may set a limit (sysconf() value SC_IOV_MAX) on the number 
of buffers that can be used.

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assignee: docs@python
components: Documentation
messages: 265537
nosy: docs@python, mmarkk
priority: normal
severity: normal
status: open
title: It is not documented that os.writev() suffer from SC_IOV_MAX
type: enhancement
versions: Python 3.3, Python 3.4, Python 3.5, Python 3.6

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