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Date: Tue, 18 Oct 2016 07:26:39 -0700
From: Paul Vixie <paul@redbarn.org>
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To: Victor Sudakov <vas@mpeks.tomsk.su>
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Subject: Re: choice of i386 vs amd64 guest
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Victor Sudakov wrote:
> Paul Vixie wrote:
>> for everything else, the larger register set on amd64 will matter more,
>> and you should probably use a 64-bit guest.
> 
> There is an opinion that 64-bit systems use up more resources than
> 32-bit ones for the same tasks, it that not true?

it's not true. only the size of a pointer can affect you, and only if
your RAM will be mostly full of pointers, as it would be with BIND9.

for a web server you'll notice no real difference between CPU modes.

-- 
P Vixie