netdev - Re: [PATCH net-next-2.6] rps: consistent rxhash

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Message-ID: <1271775421.7895.19.camel@edumazet-laptop>
Date:	Tue, 20 Apr 2010 16:57:01 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Franco Fichtner <franco@...tsummer.de>
Cc:	Changli Gao <xiaosuo@...il.com>,
	David Miller <davem@...emloft.net>, therbert@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] rps: consistent rxhash

Le mardi 20 avril 2010 à 16:03 +0200, Franco Fichtner a écrit :

> 
> It is funny, but I fail to see the big picture of the
> firewall / conntrack application here. It looks like
> this is needed for local netperf tests to impress, but
> it's a quite special use case, isn't it?

I know many applications using TCP on loopback, they are real :)

What I find 'funny' are not the tbench results, but the fact that RFS
can give pretty good hints to process scheduler, something that might be
good to investigate by scheduler specialists.

In the meantime, if some admin finds that setting RFS on loopback can
boost by 10% its application, why not ?



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