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Date:      Fri, 14 May 1999 11:55:49 -0400
From:      "David E. Cross" <crossd@cs.rpi.edu>
To:        Rob Garrett <eagle@phc.igs.net>
Cc:        "David E. Cross" <crossd@cs.rpi.edu>, Chuck Youse <cyouse@cybersites.com>, hackers@FreeBSD.ORG, crossd@cs.rpi.edu
Subject:   Re: 1GB, kvm issues. 
Message-ID:  <199905141555.LAA24677@cs.rpi.edu>
In-Reply-To: Message from Rob Garrett <eagle@phc.igs.net>  of "Fri, 14 May 1999 10:32:23 EDT." <Pine.BSF.4.10.9905141029490.31555-100000@eagle.phc.igs.net> 

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> > > has to be "careful" with the configuration (NMBCLUSTERS, MAXUSERS) to
> > > prevent the box from falling over every few days due to kvm problems.
> > > 
> > > Can somebody be more specific?  I'm just about to order a really, really
> > > expensive machine and I want to be sure I can get it to work .. :) 
> > > 
> > > Chuck Youse 
> > 
> > This was fixed somewhere in the 3.1-STABLE branch, you will not need to worry
> > about this at all with 3.2-BETA/3.2-RELEASE.
> > 
> I thought so as well, however I added a 64 meg dimm and ran into the same
> problems he is describing. After I remembered the problem. I lowered the
> value of maxusers and everything is back to normal. This is on 4.0 -
>>  Current. btw..
>>  
> 1 - 128 meg dimm
> 1 - 64  meg dimm
> 
> and for the record
> 
> 750 meg of swap space

Well, this is my current config: Dual P2-400, 256M RAM, 256M SWAP, 3.2-BETA,
maxusers 256.  I have yet to have any wierdness.  Note we also run servers
based off of the late 3.1-STABLE branch and we *used* to see KVA problems
all of the time.  For awhile we rolled in the KVA patches by hand, but since
the change was MFCed we have not done that and have made 0  patches and 
everything continues to work great.

I am 99.99999999%  positive that the changes were made to -current 
(I know I saw the CVS logs go through on our mirror)  I am also 99.99% sur
-STABLE is patched too... If not we should really take care of that now.

--
David Cross                               |  email: crossd@cs.rpi.edu 
Systems Administrator/Research Programmer |  Web: http://www.cs.rpi.edu/~crossd 
Rensselaer Polytechnic Institute,         |  Ph: 518.276.2860            
Department of Computer Science            |  Fax: 518.276.4033
I speak only for myself.                  |  WinNT:Linux::Linux:FreeBSD


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