From owner-freebsd-questions  Wed Jun  9 17:27:22 1999
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Date: Wed, 9 Jun 1999 17:27:16 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: The Hermit Hacker <scrappy@hub.org>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: MBUFs ...
In-Reply-To: <Pine.BSF.4.05.9906091941300.49155-100000@thelab.hub.org>
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On Wed, 9 Jun 1999, The Hermit Hacker wrote:

> On Wed, 9 Jun 1999, Doug White wrote:
> 
> > On Tue, 8 Jun 1999, The Hermit Hacker wrote:
> > 
> > > According to netstat -m, my configuration is as such:
> > > 
> > > 840/1032/1024 mbuf clusters in use (current/peak/max)
> > > 
> > > Peak is 8 clusters over max...how is that possible?  And what does that
> > > affect?
> > 
> > Network traffic.  Normally, the kernel panics when you run out of mbufs.
> > 
> > Solution:  increase maxusers.
> 
> Solution: leave maxusers, increase NMBCLUSTERS

Ha! We're both right.  From /sys/conf/param.c:

#ifndef NMBCLUSTERS
#define NMBCLUSTERS (512 + MAXUSERS * 16)

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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