linux-kernel - Re: Abysmal disk performance, how to debug?

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Message-ID: <Pine.LNX.4.63.0701202124180.23674@gockel.physik3.uni-rostock.de>
Date:	Sat, 20 Jan 2007 21:28:57 +0100 (CET)
From:	Tim Schmielau <tim@...sik3.uni-rostock.de>
To:	Willy Tarreau <w@....eu>
cc:	Ismail Dönmez <ismail@...dus.org.tr>,
	linux-kernel@...r.kernel.org
Subject: Re: Abysmal disk performance, how to debug?

On Sat, 20 Jan 2007, Willy Tarreau wrote:

> Anyway, in your situation with a very small buffer, this should not 
> change by more than half a second or so.

Well, his buffer is not small. He has half a GB of RAM, so when 
writing 1 GB the buffer would roughly double the dd speed, exactly as he 
has shown us.

Anyways, instead of always just posting similar answers to yours, I'll 
have dinner now. :-)

Tim
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