From: Daniel Exner <dex@dragonslave.de>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: 3.12.8 poor network performance x86_64
Date: Sat, 18 Jan 2014 23:46:17 +0100 [thread overview]
Message-ID: <52DB0439.2060905@dragonslave.de> (raw)
In-Reply-To: <20140118195026.GA15543@pd.tnic>
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Hi again,
Am 18.01.2014 20:50, schrieb Borislav Petkov:
> + netdev.
Thx
Am 18.01.2014 20:49, schrieb Holger Hoffstätte:> [This mail was also
posted to gmane.linux.kernel.]
>
> On Sat, 18 Jan 2014 20:30:55 +0100, Daniel Exner wrote:
>
>> I recently upgraded the Kernel from version 3.10 to latest
>> stable 3.12.8, did the usual "make oldconfig" (resulting config
>> attached).
>>
>> But now I noticed some _really_ low network performance.
>
> Try: sysctl net.ipv4.tcp_limit_output_bytes=262144
Tried that. Even 10 times the value. Same effect.
Is there something like that on a lower level of the network stack I
might try to change?
Could that be something in the cgroups layer?
Should I send a dmesg or anything else?
Greetings
Daniel
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next prev parent reply other threads:[~2014-01-18 22:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <52DAD66F.7080306@dragonslave.de>
2014-01-18 19:50 ` 3.12.8 poor network performance x86_64 Borislav Petkov
2014-01-18 22:46 ` Daniel Exner [this message]
2014-01-20 22:27 ` Poor network performance x86_64.. also with 3.13 Daniel Exner
2014-01-20 22:37 ` Borislav Petkov
2014-01-20 23:27 ` Branimir Maksimovic
2014-02-09 15:05 ` Daniel Exner
2014-02-09 15:31 ` Borislav Petkov
2014-02-09 18:14 ` Eric Dumazet
2014-02-09 18:49 ` Borislav Petkov
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