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Date:      Thu, 22 Sep 2005 11:35:24 -0700
From:      Jason Mealins <jmealins@supfoo.org>
To:        freebsd-amd64@freebsd.org
Subject:   kern.ipc.nsfbufs not being set at boottime...
Message-ID:  <20050922183524.GG17620@supfoo.org>

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I am currently running 5.4-RELEASE-p7 on a poweredge 2850 and I am trying to tune it for serving a
very high load of mixed static/dynamic content. Being that the webserver I am using takes advantage
of sendfile I was trying to tune it for values of kern.ipc.nsfbufs which according to what little
documentation I can find is supposed to scale along with kern.maxusers. however when I check netstat
-m I get:
0/0/0 sfbufs in use (current/peak/max)

and when trying to set kern.ipc.nsfbufs in /boot/loader.conf to an arbitrarily low value like 1024,
it stil comes up zero at boot. 

I am very new to running amd64 so any help is great. 

as a reference:
kern.ipc.maxusers=512
kern.ipc.nmbcluster=65536

this is a dell poweredge 2850 with 4 gigs of ram and dual 3.0ghz xeons (nocona) running an SMP
generic kernel.

Jason Mealins



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