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Date: Thu, 03 Jul 2008 09:12:35 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: Zbigniew Szalbot <z.szalbot@lc-words.com>,
	User Questions <freebsd-questions@freebsd.org>
Subject: Re: 7.0-release / systat / 3GB
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Wojciech Puchar wrote:
>>
>> I am a bit curious though why once the outgoing bandwidth exceeds 
>> (more or less) 3GB, the Total counter gets reset and starts counting 
>> from scratch.
> 
> isn't it 4GB - because of 32-bit unsigned counter?

I would guess so.

Using a 64-bit counter on 32-bit systems would cause additional 
processing overhead for little benefit.

Kris