> -----Original Message-----
> From: Johnny Le [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, June 20, 2007 7:03 AM
> To: CF-Talk
> Subject: Maximum number of simultaneous requests in IIS?
> 
> Hi,
> 
> I set my Maximum number of simultaneous requests in CFAdmin to 25.  I
> have 1 GB of memory dedicated to this instance.  When I run a test with
> 5 simultaneous requests, I start to see 403 Access Forbidden error with
> message "Too many users are accessing the site at this time".  The
> memory is still at about 80% free.

There's probably something else that's going on.

The "Maximum number of simultaneous requests" (unless I'm mistaken) only
defines the number of _active_ threads that will spawn - in other words the
total number of "currently working" threads.  However the server should be
able to ACCEPT more (many, many more) requests than that - it should simply
queue the "extra" requests and save them until a thread becomes available to
handle them.

CF provides perfmon counters and a command line tool (CFSTAT) that can let
you see the state of active threads and the request queue.  Use them to
determine how CF is reacting to your test.

So unless you've somehow disabled the queue or throttled IIS (for I believe
the error you're seeing is an IIS, not CF, error) CF should be perfectly
happy.  Check your page timeout and cache settings as well.

I would focus on IIS at first however - I think it's the throttle point from
what you've described.

Jim Davis



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