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Date:      Mon, 18 Feb 2002 22:13:59 +0000 (GMT)
From:      Mike Silbersack <silby@silby.com>
To:        Randy Bush <randy@psg.com>
Cc:        Luigi Rizzo <rizzo@icir.org>, <freebsd-net@FreeBSD.ORG>
Subject:   Re: network buffer problem
Message-ID:  <20020218221129.J636-100000@patrocles.silby.com>
In-Reply-To: <E16d0vI-000OmK-00@rip.psg.com>

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On Mon, 18 Feb 2002, Randy Bush wrote:

> > If you have 4.5 and enough memory one option is to use
> > MAXUSERS=0 and remove and "options NMBCLUSTERS"
>
> that's how it is now.
>
> before the latest builds, it uses to be MAXUSERS=96.  maybe i should
> revert that.
>
> and i have to open the box sometime soon, so i'll shove a bunch of
> ram in it.
>
> randy

Yep, the autoscaling would have chosen MAXUSERS=64, so you've been running
with fewer NMBCLUSTERS than usual.  OTOH, whatever extraordinary event
that caused you to run out of mbuf clusters that one time may very well
also run you out of mbuf clusters even at MAXUSERS=96; mbuf clusters tend
to get eaten pretty quickly.

Either way, adding ram sounds like a good idea.  :)

Mike "Silby" Silbersack


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