xfs
[Top] [All Lists]

Re: Page cache write performance issue

To: Nathan Scott <nathans@xxxxxxx>
Subject: Re: Page cache write performance issue
From: Andrew Morton <akpm@xxxxxxxx>
Date: Wed, 13 Oct 2004 00:02:06 -0700
Cc: piggin@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-xfs@xxxxxxxxxxx
In-reply-to: <20041013063955.GA2079@frodo>
References: <20041013054452.GB1618@frodo> <20041012231945.2aff9a00.akpm@xxxxxxxx> <20041013063955.GA2079@frodo>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Nathan Scott <nathans@xxxxxxx> wrote:
>
> Hi Andrew,
> 
> On Tue, Oct 12, 2004 at 11:19:45PM -0700, Andrew Morton wrote:
> > Nathan Scott <nathans@xxxxxxx> wrote:
> > >
> > >  So, any ideas what happened to 2.6.9?
> > 
> > Does reverting the below fix it up?
> 
> Reverting that one improves things slightly - I move up from
> ~4MB/sec to ~17MB/sec; thats just under a third of the 2.6.8
> numbers I was seeing though, unfortunately.
> 

Well something else if fishy: how can you possibly achieve only 4MB/sec? 
Using floppy disks or something?

Does the same happen on ext2?

It's exactly a 500MB write on a 1000MB machine, yes?


<Prev in Thread] Current Thread [Next in Thread>