Subject: Re: bufpages
To: Tom T. Thai <tomthai@future.net>
From: Sean Witham <Sean.Witham@asa.co.uk>
List: port-i386
Date: 06/02/1998 13:01:35
On Tue, 2 Jun 1998, Tom T. Thai wrote:
> On Tue, 2 Jun 1998, Jukka Marin wrote:
>
> > I want to improve performance of a largish news server which has 80 MB
> > of RAM. According to options(4), I have to set options NBUF and/or
> > BUFPAGES. However, there is no information of the range of these
> > constants - not even in the sample kerne config files.
> >
> > I'm building a NetBSD 1.3.2 kernel. How should I set these constants?
>
> maxusers 200 # estimated number of users
> options NMBCLUSTERS=4096
> options BUFPAGES=4096 # 16MB for disk buffering
> options NBUF=4096
>
This is helpfull but a maxusers of 200 (anything over 64) on 1.3
and I think 1.3.1 gives a warning message, has this been fixed on
1.3.2
Does anyone know what ranges can be used for the various option
before design limits are met ?
--Sean