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Recently i noticed that my VPS bandwith jumped from 20-30 GB per month to 150-400 GB per month in the last few months and i want to know which sites on the server are generating the most bandwith and if possible to pinpoint which files are being accesed the most (static images/files and dynamic files .php/aspx )

Any tips on how to setup such monitoring or what software to use would be usefull.

Thanks in advance.

share|improve this question
Please fix your units. gb isn't a unit that's used to measure bandwidth or usage and Gb / GB are very different. – MDMarra Jun 1 '12 at 13:09
Fixed , thanks for pointing it out! – Aviatrix Jun 1 '12 at 13:14
up vote 2 down vote accepted

All this information is in your IIS logs. You can either parse them yourself in some way, perhaps with the help of Excel, or, you can use a tool that does it for you.

A quick google for "IIS 7 log analyser" will give you plenty of options.

share|improve this answer
+1 As an aside I would suggest checking out Smarter Tools, specifically their Stats product. I think you can get the free version for a single site. By far the easiest and most detailed reports I have seen in a while. – Brent Pabst Jun 1 '12 at 14:03

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