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From: "Jeff V. Merkey" <jmerkey@vger.timpanogas.org>
To: Mike Anderson <andmike@us.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: queue_nr_requests needs to be selective
Date: Fri, 1 Mar 2002 23:16:39 -0700	[thread overview]
Message-ID: <20020301231639.A14413@vger.timpanogas.org> (raw)
In-Reply-To: <20020301132254.A11528@vger.timpanogas.org> <20020301165104.C6778@beaverton.ibm.com> <20020301213908.B13983@vger.timpanogas.org> <20020301225918.A14239@vger.timpanogas.org> <20020301230142.B14239@vger.timpanogas.org>
In-Reply-To: <20020301230142.B14239@vger.timpanogas.org>; from jmerkey@vger.timpanogas.org on Fri, Mar 01, 2002 at 11:01:42PM -0700

On Fri, Mar 01, 2002 at 11:01:42PM -0700, Jeff V. Merkey wrote:
> On Fri, Mar 01, 2002 at 10:59:18PM -0700, Jeff V. Merkey wrote:
> > 
> > 
> > Mike,
> > 
> > Here are some numbers from the running system.  This system is 
> > running at 120 MB/S 

Mike,

Also, I've had a single adapter above 150 MB/S.  This test I am running
was to test this 15 queue depth issue, so I took the system down 
to a single adapter for the test so I could get the stats you raised the 
issue about.

Jeff


on a single 3Ware adapter.  Stats attached.  You
> > will note that the max commands hitting the adapter are way above
> > 15.  I can only presume this is due to caching behavior on the card.
> > I do have these cards enabled with caching.  I have had these numbers
> > as high as 319 MB/S with multiple cards in separate buses.  The system
> > this test is running on has 3 PCI buses.  2 x 33 Mhz and 1 x 66 Mhz.  
> > with Serverwork HE Chipset.
> > 

  reply	other threads:[~2002-03-02  6:02 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-01 20:22 Jeff V. Merkey
2002-03-01 20:43 ` Andrew Morton
2002-03-01 21:03   ` Alan Cox
2002-03-01 23:22     ` Jeff V. Merkey
2002-03-01 23:20   ` Jeff V. Merkey
2002-03-01 23:23     ` Andrew Morton
2002-03-02  0:27       ` Jeff V. Merkey
2002-03-02  0:49         ` Andrew Morton
2002-03-02  2:16           ` Jeff V. Merkey
2002-03-02  3:50             ` Andrew Morton
2002-03-02  4:34               ` Jeff V. Merkey
2002-03-02  7:33               ` Jeff V. Merkey
2002-03-02  9:10               ` Jens Axboe
2002-03-02  9:22                 ` Andrew Morton
2002-03-04  9:09                   ` Jens Axboe
2002-03-02  0:51 ` Mike Anderson
2002-03-02  4:39   ` Jeff V. Merkey
2002-03-02  5:59     ` Jeff V. Merkey
2002-03-02  6:01       ` Jeff V. Merkey
2002-03-02  6:16         ` Jeff V. Merkey [this message]
2002-03-04  7:16       ` Mike Anderson
2002-03-04 17:39         ` Jeff V. Merkey

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