Re: serving static files

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: George V. Reilly (george_at_reilly.org)
Date: 04/13/04 

Date: Mon, 12 Apr 2004 20:57:56 -0700

2 million hits a day is an average of 23 hits per second. The IIS 5.0 static
file cache keeps files around for at least 30 seconds. The IIS 6 cache keeps
files for at least 2 minutes. Those hot files will be in the IIS cache when
you need them.

Jeff's right. Your bottleneck is going to be the network, not IIS. 

-- 
First learn computer science and all the theory.  Next develop a programming
style.  Then forget all that and just hack.
 -- George Carrette [1990]
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George V. Reilly  george@reilly.org
"Jeff Cochran" <jcochran.nospam@naplesgov.com> wrote in message
news:407c159d.77906283@msnews.microsoft.com...
> On 9 Apr 2004 11:26:05 -0700, junk2@eyeh.net (ed) wrote:
>
> >I was using IIS to server a finite(<100) number of static files that
> >all usually < 100K.
> >
> >would I see a performance increase if I used ISA, or is the
> >harddrive/IIS caching good enough?
>
> ISA may help if you can cache all the files normally used, but it's
> likely not enough help for you to notice.  The speed may go from very
> fast to very very fast, when the internet connection to the end user
> is just fast.  :)
>
> >the top 10 files probably get 90% of the traffic, and I expect 2
> >million downloads a day.
>
> 2 million downloads of 100K static files?  Assuming a fast caching
> RAID subsystem and decent RAM you still won't see any effect from ISA.
>
> >I plan to use a load balancer to balance it across 3 pretty beffy
> >machines.
>
> For 2 million page views a day?  Of only 100 static pages?  Your
> network speed will be your bottleneck, and load balancing won't make
> much difference either.
>
> Jeff

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