From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
To: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [RFC][PATCH 0/3] Skip I/O merges when disabled
Date: Thu, 24 Apr 2008 09:43:33 -0400 [thread overview]
Message-ID: <48108E85.50209@hp.com> (raw)
In-Reply-To: <48108BC6.5030409@hp.com>
Alan D. Brunelle wrote:
>
> Kernel NM I/Os per second
> -------------------- -- ---------------
> 2.6.25 (not patched) 483,727.36
> 2.6.25 + nomerges 0 483,880.96
> 2.6.25 + nomerges 1 483,921.92
Wrong chart, sorry:
Kernel NM I/Os per second
-------------------- -- ---------------
2.6.25 (not patched) 472.39
2.6.25 + nomerges 0 472.54
2.6.25 + nomerges 1 472.58
(Don't think a little 2-way box w/ 4 SATA drives can really approach
500K I/Os per second...)
Alan
prev parent reply other threads:[~2008-04-24 13:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-23 19:08 [RFC][PATCH 0/3] Skip I/O merges when disabled Alan D. Brunelle
2008-04-23 19:12 ` [RFC][PATCH 1/3] Add flag and sysfs interfaces Alan D. Brunelle
2008-04-23 19:14 ` [RFC][PATCH 2/3] Have __make_request skip merges when disabled Alan D. Brunelle
2008-04-23 19:15 ` [RFC][PATCH 3/3] Do not use rqhash when merges disabled Alan D. Brunelle
2008-04-24 0:37 ` Aaron Carroll
2008-04-24 0:59 ` Alan D. Brunelle
2008-04-24 2:07 ` Aaron Carroll
2008-04-24 7:09 ` [RFC][PATCH 0/3] Skip I/O merges when disabled Jens Axboe
2008-04-24 12:09 ` Alan D. Brunelle
2008-04-25 8:38 ` Jens Axboe
2008-04-25 11:17 ` Alan D. Brunelle
2008-04-25 11:25 ` Jens Axboe
2008-04-25 12:06 ` Aaron Carroll
2008-04-25 12:14 ` Jens Axboe
2008-04-25 12:17 ` Alan D. Brunelle
2008-04-28 16:36 ` Alan D. Brunelle
2008-04-29 7:37 ` Jens Axboe
2008-04-24 20:38 ` Alan D. Brunelle
2008-04-24 13:29 ` Andi Kleen
2008-04-24 13:59 ` Jens Axboe
2008-04-24 14:13 ` Alan D. Brunelle
2008-04-24 15:05 ` Jens Axboe
2008-04-24 22:04 ` Carl Henrik Lunde
2008-04-25 7:13 ` Andi Kleen
2008-04-24 14:15 ` Andi Kleen
2008-04-24 15:04 ` Jens Axboe
2008-04-24 15:53 ` David Collier-Brown
2008-04-24 16:29 ` Alan D. Brunelle
2008-04-24 13:31 ` Alan D. Brunelle
2008-04-24 13:43 ` Alan D. Brunelle [this message]
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