From: Andrew Morton <akpm@osdl.org>
To: Phy Prabab <phyprabab@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question on forcing cache data to write out
Date: Mon, 19 Apr 2004 01:13:29 -0700 [thread overview]
Message-ID: <20040419011329.0b07b0ad.akpm@osdl.org> (raw)
In-Reply-To: <20040419073507.8572.qmail@web90005.mail.scd.yahoo.com>
Phy Prabab <phyprabab@yahoo.com> wrote:
>
> Sirs,
>
> I am interested in understanding how tot tune the 2.6
> kernel such that I can get the WM to write out data
> that is held within the "cache".
>
> My situtation is that I have a NFS file server that
> gets data in bursts. The first couple of burst move
> quickly, but once the system memory becomes filled,
> mostly held in "cache", then my NFS performance drops.
> The issue here is how to get the VM to write out the
> data held within the cache when times are slow (which
> amounts to 90% of the time)? I have played a little
> bit with the /proc/sys/vm/dirty_ratio, etc with out
> much help.
Setting dirty_background_ratio lower might smooth things out.
next prev parent reply other threads:[~2004-04-19 8:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-19 7:35 Phy Prabab
2004-04-19 8:13 ` Andrew Morton [this message]
2004-04-19 14:52 ` Rik van Riel
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