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Date:      Mon, 05 Oct 1998 10:02:52 -0700
From:      David Greenman <dg@root.com>
To:        "Mikhail A. Sokolov" <mishania@demos.net>
Cc:        current@FreeBSD.ORG
Subject:   Re: -current panics.. 
Message-ID:  <199810051702.KAA13253@implode.root.com>
In-Reply-To: Your message of "Mon, 05 Oct 1998 20:10:17 %2B0400." <19981005201017.53803@demos.su> 

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>#    Wcarchive does NOT run a standard kernel. It has various tweaks, such as
># greatly expanded kernel virtual address space, which are specific to that
># machine and not appropriate for 99.999% of FreeBSD users. NMBCLUSTERS on
># wcarchive is currently set to 80000, but will need to be doubled again to
># 160000 before we can support 10000 concurrent users. The VM is evenly split
># for 2GB for user processes and 2GB for the kernel (contrast that with
># standard FreeBSD which is 3.75GB user and .25GB kernel).
>
>Could it be an option then, since it looks like we, the 0.001% of FreeBSD
>users seem to exist.

   Making FreeBSD more dynamically configuring has always been a long term
goal. There isn't any magic configuration option that I can make for "big
systems", because there are many factors to consider and the system simply
has to be tuned to the specific work load. The analysis and tuning is complex
enough that it's something that I charge money to do for people.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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