Subject: Re: Bad response...
To: None <>
From: Thor Lancelot Simon <>
List: current-users
Date: 08/30/2004 19:06:33
On Mon, Aug 30, 2004 at 10:49:53PM +0000, Michael van Elst wrote:
> ("Steven M. Bellovin") writes:
> >follow a strategy similar to TCP's congestion control -- when there are 
> >competing requests, it needs to *seriously* cut back the percentage 
> >allocatable to such needs -- say, an additive increase/multiplicative 
> >decrease scheme, just like TCP uses.
> Wouldn't a simple constant limit to the number of dirty pages
> in the filecache be sufficient ? This will put a limit on the
> time needed to reuse those pages.

No, it won't -- because you can't know how many seeks will be required to
actually write out the data.