Date: Fri, 14 May 1999 04:21:38 -0400 (EDT) From: Adrian Filipi-Martin <adrian@ubergeeks.com> To: Harold Gutch <logix@foobar.franken.de> Cc: freebsd-advocacy@FreeBSD.ORG Subject: Re: time for another upgrade? Message-ID: <Pine.BSF.4.05.9905140349080.6313-100000@thneed.ubergeeks.com> In-Reply-To: <19990513203013.A19145@foobar.franken.de>
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On Thu, 13 May 1999, Harold Gutch wrote: > On Thu, May 13, 1999 at 02:23:42PM -0400, Adrian Filipi-Martin wrote: > > > > I was showing the I/O stats page for ftp.cdrom.com to someone, and > > it's quite amazing. Does anyone have a total on the daily bandwidth over > > the last few days. Has it broken 1TB/day yet? > > > 1024^3 > 86400*10^8 Not quite. Assuming you meant 1024^4, you are still mixing units. Asumnig 10 bits to transmit a byte, you only get 86400*10^7 bytes per day. > > There's no way to achieve 1TB/day with fast ethernet - and above > I'm assuming a constant stream of 100MBps with no protocol > overheads. Take all this into account and you're left with even > less :). I was under the impression that the new machine was on gigabit ethernet. As you correctly point out it is impossible to do 1TB on 100Mbps ethernet. In fact you cannot even do the 969GB/day cited in the upgrade press release. 969*2^30*10/86400 == 120,423,128bps. This agrees with what the stats pages are reporting today. I just figure with the lack of any significant drops in usage over a 24 hour period they might have made up the missing 50GB to claim a full TB per day. Adrian -- [ adrian@ubergeeks.com -- Ubergeeks Consulting -- http://www.ubergeeks.com/ ] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-advocacy" in the body of the message
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