From: Chris Wedgwood <cw@f00f.org>
To: Jaswinder Singh <jaswinder.singh@3disystems.com>
Cc: stepken@little-idiot.de, linux-kernel@vger.kernel.org
Subject: Re: IDE Performance lack !
Date: Mon, 28 May 2001 11:31:16 +1200 [thread overview]
Message-ID: <20010528113116.A4895@metastasis.f00f.org> (raw)
In-Reply-To: <01052622193100.01317@linux.zuhause.de> <00a101c0e642$4f0791a0$52a6b3d0@Toshiba> <20010527224045.B3556@metastasis.f00f.org> <00c701c0e6d8$2b28ea40$4aa6b3d0@Toshiba>
In-Reply-To: <00c701c0e6d8$2b28ea40$4aa6b3d0@Toshiba>; from jaswinder.singh@3disystems.com on Sun, May 27, 2001 at 11:09:25AM -0700
On Sun, May 27, 2001 at 11:09:25AM -0700, Jaswinder Singh wrote:
But my problem is why linux boxes do not response for few seconds
(sometimes) and especially during telnet/ssh it looks more worst
and looks similar to Microsoft Windows :(
there is problem in scheduling or what ?
Sounds like IO starvation, if your reading from one partition to the
other, it's going to suck for IO --- the head will be going nuts.
Also, 2.2.x has a single IO queue for writes (doesn't it?), so that won't
help.
What if you dd a file from one partition to another, is the problem
lesser with larger buffers, say 64M or so?
What about dd from /dev/zero to a partition, so you get heavy writes,
does this also suck?
--cw
next prev parent reply other threads:[~2001-05-27 23:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-26 20:19 Guido Stepken
2001-05-27 0:16 ` Jaswinder Singh
2001-05-27 10:40 ` Chris Wedgwood
2001-05-27 18:09 ` Jaswinder Singh
2001-05-27 22:08 ` Miquel van Smoorenburg
2001-05-28 3:29 ` Jaswinder Singh
2001-05-27 23:31 ` Chris Wedgwood [this message]
2001-05-27 16:32 ` Jakob Østergaard
2001-05-27 17:43 ` francois.cami
2001-05-27 18:14 ` Jaswinder Singh
2001-05-27 1:30 ` Marc Schiffbauer
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