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Operating Systems Linux Gentoo Properly Sizing an x86 Server for Internet DNS? Post 302113969 by deckard on Wednesday 11th of April 2007 04:28:55 PM
Old 04-11-2007
Properly Sizing an x86 Server for Internet DNS?

Where I work, we have to very old Alpha boxes running OpenVMS 7. They also have Multinet and are using the BIND component for DNS services. We are planning on retiring those boxes and replacing them with x86 servers running Linux. I've decided to go with Gentoo Linux for this and I've inherited two old boxes (A PIII >1GHz system and an old PIII quad Xeon 500MHz system) to do this with.

My concern is that my co-workers are adamant that the x86 systems won't be able to to keep up with the demand (we host about 70 domains in DNS) the way the Alphas did. My suspicion is that these x86 systems are just fine. However, what I really want to know is where the real utilization for DNS comes in. Is it CPU heavy? Is it RAM heavy? Or is it I/O heavy? I would suspect RAM first and CPU second based on what I've seen at home. But to be honest, in my experience DNS has been a pretty low resource service to run.

I honestly don't see our organization as being that big and 70 domains seems like a very small load even for the PIII boxes I just got. But, I'd be happy with any insight anyone here can provide.
 

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Net::DNS::RR::RT(3)					User Contributed Perl Documentation				       Net::DNS::RR::RT(3)

NAME
Net::DNS::RR::RT - DNS RT resource record SYNOPSIS
use Net::DNS; $rr = new Net::DNS::RR('name RT preference intermediate'); DESCRIPTION
Class for DNS Route Through (RT) resource records. METHODS
The available methods are those inherited from the base class augmented by the type-specific methods defined in this package. Use of undocumented package features or direct access to internal data structures is discouraged and could result in program termination or other unpredictable behaviour. preference $preference = $rr->preference; A 16 bit integer representing the preference of the route. Smaller numbers indicate more preferred routes. intermediate $intermediate = $rr->intermediate; The domain name of a host which will serve as an intermediate in reaching the host specified by the owner name. The DNS RRs associated with the intermediate host are expected to include at least one A, X25, or ISDN record. COPYRIGHT
Copyright (c)1997-2002 Michael Fuhr. Package template (c)2009,2012 O.M.Kolkman and R.W.Franks. All rights reserved. This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
perl, Net::DNS, Net::DNS::RR, RFC1183 Section 3.3 perl v5.18.2 2014-01-16 Net::DNS::RR::RT(3)
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