Re: iis limitations?

From: Jeff Cochran (jeff.nospam_at_zina.com)
Date: 07/15/04 

Date: Thu, 15 Jul 2004 16:38:31 GMT

On Wed, 14 Jul 2004 23:30:16 -0400, "ark" <sorry@nospam.com> wrote:

>> >
>> >Besides from the hd space limitation, are there any limitations on how
>many
>> >websites/domains/applications can be run on this server?
>>
>> None hard coded, all based on acceptable performance.
>>
>> >Also, what kind of traffic can this handle? how many hits max?
>>
>> At least 13. Maybe even 15.
>>
>> Traffic, hits, etc. are pretty meaningless measures of performance.
>> If every hit were a request for a simple HTML page, or a non-existent
>> page, it would be able to handle more than if every hit was a request
>> for your App to do something.
>>
>> Jeff
>
>well, each hit is a request for my app to do something, I don't have simple
>html pages. as it is each page view involves executing complex script, which
>however caches all the results in app level vars, so if I disable caching
>the page takes 2.5 seconds to execute on the server, with caching enabled,
>there is no hd activity, and execution takes 0.07 or even 0.01 seconds, so
>based on 0.07 seconds if we use it as average, how many simultanious
>requests would the server be able to handle?

Well, I'll still stick with my estimate of at least 13. But the only
way to know if you to measure your performance yourself. Establish a
baseline, then test under a simulated load. That should give you an
idea of the scalability of your app.

>is there a way to isolate and track memory usage on the server by all app
>level variables?
>
>Also, is there a way to isolate and track the combined application threads
>and their impact on server?

Pick up the resource kit for some expanded utilities and the chapter
on performance. It's not something easily discussed in a newsgroup
post, and all of this is so variable based upon your specific needs
that any process that works for me likely won't meet your needs. And
vice versa.

Jeff

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