bandwidth requirements for web server

S

scottemick

I currently have a web server hosted elsewhere, and I have numbers from awstats that I just installed against my old logs as far as total bandwidth used, but I don't know how to translate that to whether I need a 5mbps, 8mbps, 10 mbps, etc pipe. This is what I have compiled using awstats:

Code: 
Month 	Unique visitors 	Number of visits 	Pages 	Hits 	Bandwidth
Apr-10 	1,770,247 	2,613,702 	6,407,788 	31,087,933 	238.29 GB
May-10 	1,943,328 	2,816,135 	6,391,916 	33,313,455 	259.35 GB
Jun-10 	1,932,208 	2,761,142 	5,949,494 	31,624,680 	240.87 GB
Jul-10 	1,783,682 	2,610,862 	6,060,354 	31,625,293 	240.32 GB
Aug-10 	1,680,824 	2,483,752 	7,360,794 	33,812,307 	247.54 GB
Sep-10 	1,555,457 	2,313,376 	6,990,146 	32,306,955 	235.83 GB
Oct-10 	1,612,576 	2,428,246 	7,190,697 	30,752,460 	229.19 GB
Nov-10 	218,070 	278,118 	905,519 	3,963,398 	29.51 GB
Total 	13,790,113 	20,169,008 	51,839,417 	250,402,338 	1886.63 GB


If I just go by bandwidth and divide it out (also knowing that the average max is about 8 GB per day, that comes to 740.74 Kbps). If I multiply that by a fudge factor of 2 or 3, I am coming up with 3 mbps max needed for our current capacity. Does this make sense, or am I way under?

Any ideas welcome

Scott
 
That sounds about right. I came up with around 850kb/s. 3Mb/s should be sufficient if you are happy with 3Mb/s as your maximum transfer rate.

You would likely be better off looking at a tool like net-mgmt/mrtg to help you graph your bandwidth usage on a 5 minute basis. Since the GB transferred per month doesn't account for usage spikes.
 
Agree to gordon@
Bandwith can really vary, depending on what you have on your server. It can be video hosting or blog engine - they will give greatly different traffic. So measure speed on interface, not visitors count.
 
Thanks everyone, it is an ecommerce site, with pictures and products, but no video. I'm going to try that program that gordon mentioned and see what I get.
 
The mrtg program works great. It was a pain for me to install on FreeBSD 6.2 Release, but now I have some realtime stats. I also installed it on my ubuntu web servers, it was far easier on those. Thanks again
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