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From: Anton Titov <a.titov@host.bg>
To: Chris Snook <csnook@redhat.com>
Cc: "Kok, Auke" <auke-jan.h.kok@intel.com>,
	"H. Willstrand" <h.willstrand@gmail.com>,
	netdev@vger.kernel.org,
	Jesse Brandeburg <jesse.brandeburg@intel.com>
Subject: Re: Bad network performance over 2Gbps
Date: Thu, 17 Apr 2008 13:02:30 +0300	[thread overview]
Message-ID: <1208426550.6049.10.camel@localhost> (raw)
In-Reply-To: <48051734.1000107@redhat.com>

On Tue, 2008-04-15 at 16:59 -0400, Chris Snook wrote:
> Still, I think you're on to something here.  Disabling NAPI and instead 
> tuning the cards' interrupt coalescing settings might allow irqbalance 
> to do a better job than it is currently.

Disabling NAPI allowed me to push as much as 3.5Gbit out of the same
server with ~ 20% of time CPUs doing software interrupts.

Regards,
Anton Titov


  parent reply	other threads:[~2008-04-17 10:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-15 18:06 Bad network performance over 2Gbps Anton Titov
2008-04-15 20:14 ` Willy Tarreau
2008-04-15 20:40   ` Kok, Auke
2008-04-15 22:36     ` Anton Titov
2008-04-16  4:27       ` Willy Tarreau
2008-04-15 20:15 ` H. Willstrand
2008-04-15 20:34   ` Kok, Auke
2008-04-15 20:59     ` Chris Snook
2008-04-15 21:05       ` Kok, Auke
2008-04-17 10:02       ` Anton Titov [this message]
2008-04-17 17:37         ` [PATCH] " Kok, Auke
2008-04-20 12:08           ` Denys Fedoryshchenko
2008-04-21 13:19           ` Pavel Machek
2008-04-21 16:38             ` Kok, Auke
2008-04-21 15:28           ` Ingo Molnar
2008-04-21 16:58             ` Kok, Auke
2008-04-21 18:35               ` Andi Kleen
2008-04-22  5:07           ` Bill Fink

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