From: Christian Schmid <webmaster@rapidforum.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Stephen Hemminger <shemminger@osdl.org>, netdev@oss.sgi.com
Subject: Re: TCP-Protection is really a pain...
Date: Thu, 03 Feb 2005 23:29:10 +0100 [thread overview]
Message-ID: <4202A5B6.5080903@rapidforum.com> (raw)
In-Reply-To: <4202A206.7060100@pobox.com>
I turned it off and without it, I was unable to reproduce any stalls anymore.
Jeff Garzik wrote:
> Christian Schmid wrote:
>
>> What exactly is tcp segmentation offload? Where can I read more about
>> it? Should I disable it or is this not a good idea?
>
>
> It's an optimization designed to reduce CPU usage for zero-copy apps
> (those that use sendfile(2)).
>
> It would be a useful datapoint to disable TSO, and see if that improves
> things for you.
>
> Jeff
>
>
>
>
prev parent reply other threads:[~2005-02-03 22:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-03 4:07 TCP-Protection is really a pain Christian Schmid
2005-02-03 4:54 ` Stephen Hemminger
2005-02-03 5:21 ` Christian Schmid
2005-02-03 6:50 ` Jeff Garzik
2005-02-03 17:04 ` Christian Schmid
2005-02-03 19:33 ` Stephen Hemminger
2005-02-03 19:58 ` Christian Schmid
2005-02-03 20:15 ` Stephen Hemminger
2005-02-03 20:19 ` Christian Schmid
2005-02-03 20:47 ` Rick Jones
2005-02-03 22:13 ` Jeff Garzik
2005-02-03 22:29 ` Christian Schmid [this message]
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