Re: How do you expand buffers?(solving 3.0 speed problems)

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#1593

From: Bryce Jasmer
Date: Mon, 28 Sep 1992 23:25

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Bill Smith writes
>In article <1992Sep24.145410.3194@hamblin.math.byu.edu>  
>bill@mathnx.math.byu.edu (Bill Smith) writes:
>> You can set this in the ROM monitor by just typing  "p"  and then
>> in the boot preference  "sd- nbuf=64"  or whatever number you want.
>> If you are booting from network use  en  instead of sd  I suppose.
>> -Bill
>Hmm.  Well you can't set any number you want this way. The highest you
>can go this way is  99 .  If you want a larger number of buffers
>you must apparently do it by hand, say  as  bsd sdmach nbuf=1000  or
>some such at the ROM prompt.  Would someone at NeXT comment on what 
>the optimal setting might be for a given amount of RAM available?

You can say "sd- nbu=128"

I personally haven't done any testing for the optimal setting. We usually use  
128 on our 16MB file servers.

Bryce Jasmer
bryce_jasmer@next.com

#import <std/disclaimers.h>

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Path: arc1-ca.pugleaf.net!sparky!uunet!rosie!next.com
From: bryce_jasmer@next.com (Bryce Jasmer)
Newsgroups: comp.sys.next.sysadmin
Subject: Re: How do you expand buffers?(solving 3.0 speed problems)
Message-ID: <5192@rosie.NeXT.COM>
Date: 28 Sep 92 23:25:28 GMT
References: <1992Sep25.145848.23524@hamblin.math.byu.edu>
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