From: Helge Hafting <helge.hafting@aitel.hist.no>
To: Bernd Eckenfels <ecki@lina.inka.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Raid 0 Swap?
Date: Tue, 05 Sep 2006 15:37:55 +0200 [thread overview]
Message-ID: <44FD7DB3.3060406@aitel.hist.no> (raw)
In-Reply-To: <E1GKKiV-0006P7-00@calista.eckenfels.net>
Bernd Eckenfels wrote:
> In article <200609041529.k84FTolf004383@turing-police.cc.vt.edu> you wrote:
>
>> Memory is indeed cheap. However, if you're already at the max supported
>> memory configuration for your system, buying another RAM socket to plug that
>> cheap memory card into can be *really* expensive.
>>
>
> Dont expect any useable system performance if you swap regularly.
>
Not entirely correct. Performance with continous swapping will
be fine as long as the swap bandwidth is lower than available disk
bandwidth.
This is a narrow line to walk though, memory bandwidth being
much higher than disk bandwith so it don't take much more
swapping before performance drops like a rock.
Helge Hafting
next prev parent reply other threads:[~2006-09-05 13:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-03 22:43 Raid 0 Swap? Marc Perkel
2006-09-04 0:16 ` Bernd Eckenfels
2006-09-04 7:06 ` Michael Tokarev
2006-09-04 9:47 ` Helge Hafting
2006-09-04 10:29 ` Michael Tokarev
2006-09-04 10:46 ` Jan Engelhardt
2006-09-18 9:50 ` Denis Vlasenko
[not found] ` <e1a7ee0c0612272106y5e22dd21uc3f2fde567ab7532@mail.gmail.com>
2006-12-28 9:13 ` Jan Engelhardt
2007-01-01 2:08 ` Bill Davidsen
2006-09-04 15:29 ` Valdis.Kletnieks
2006-09-04 20:06 ` Bernd Eckenfels
2006-09-05 13:37 ` Helge Hafting [this message]
2006-09-05 23:44 ` Bill Davidsen
2006-09-06 6:53 ` Michael Tokarev
2006-09-06 17:21 ` Kyle Moffett
[not found] <6R8WW-70v-7@gated-at.bofh.it>
[not found] ` <6RgKP-1OA-9@gated-at.bofh.it>
2006-09-04 13:21 ` Bodo Eggert
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