Adrian -

I've not used that before.  I found it on my W2000 machine and will
get familiar with it.

Thanks -

george

--- In [EMAIL PROTECTED], Adrian Forbes - ITD
<[EMAIL PROTECTED]> wrote:
> You could try PerfMon, the monitor that comes with Windows.
> 
> -----Original Message-----
> From: GLSmyth [mailto:[EMAIL PROTECTED] 
> Sent: 14 May 2004 3:35
> To: [EMAIL PROTECTED]
> Subject: Re: [ASP] Can I Crash A Server
> 
> 
> John -
> 
> Good comments.  Specifically, I am talking about usna.com, which is
one of
> the websites I write.  We do use the Persits COM for email, but
that's about
> it.  As far as I know, I do all of the "right things" to ensure that
I am
> not creating a resource hog (using GetRows, closing connections, etc.),
> though I am in the process of double-checking everything from my end.
> 
> We have had the website go down a couple of times and the IT people
are not
> able to figure out why it has happened.  The situations you mention,
I am
> assuming, would cause excessive slowness but not show as a crash.
> 
> If I were doing something wrong then I am going to assume that they
should
> be able to see that a particular program was collecting all of the cycle
> time, so I am just guessing that this is not the case.  I have been
promised
> a development box, but that has been forthcoming for several months, so
> hopefully that will happen someday.
> 
> If/when that does come, do you have any suggestions as to what I can
do on
> the development box to ensure that I am not excessively hogging
resources?
> I believe that I understand the general guidelines, but am wondering if
> there is a program that can monitor this sort of thing.
> 
> Cheers -
> 
> george
> 
> 
> --- In [EMAIL PROTECTED], "John Vieth" <[EMAIL PROTECTED]>
> wrote:
> > If you're accessing your own COM components from within your ASP
code, 
> > or a third-party vendor's COM components, you can definitely 
> > experience memory leaks and performance hogs that render the machine 
> > unresponsive. I've seen this first-hand.  Usually an application 
> > "unload" or IIS restart is all that is necessary to solve the
problem, 
> > but on some occassions a system restart has been necessary, and, in 
> > the meantime, the machine is unresponsive.
> > 
> > If you're not using COM objects, you can still monopolize the 
> > machine's resources with inifinite loops, excessive database calls 
> > that are opened and never closed, memory/processor-intensive Access 
> > queries and ADO calls, etc.  These kinds of things can slow a machine 
> > to a crawl so that, even if the machine hasn't crashed, it might as 
> > well have crashed, because it can be rendered unresponsive.
> > 
> > So, I guess it depends on your definition of a "crash."  I think your 
> > engineer is more concerned with activity that will harm the 
> > performance of other mission-critical applications on the machine, 
> > whether the machine has truly crashed or not.
> > 
> > You should probably not be developing on a machine that is
responsible 
> > for other mission-critical applications.  Perhaps you could
develop on 
> > your desktop machine, or a separate development server.  Any old 
> > machine will do, or, worst case, a new $500 box.  And if you're 
> > confident that your web applications are not resource hogs, you
should 
> > even be able to run them live on your desktop machine and still do 
> > your other work on that machine, unless there are security 
> > implications.  I'm assuming this is some sort of intranet site.
> > 
> > - John
> > 
> > > -----Original Message-----
> > > From: GLSmyth [mailto:[EMAIL PROTECTED]
> > > Sent: Friday, May 14, 2004 7:09 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: [ASP] Can I Crash A Server
> > > 
> > > I have been programming with ASP for several years now, and
> > > being far from an expert, I feel that I have a pretty good 
> > > grasp on things.  We have a new Network Engineer on board at 
> > > work and he is concerned that if I make a mistake in my 
> > > programming, I could crash the server.
> > > 
> > > I have been trying to think of ways to crash the server using
> > > ASP, but besides doing something intentional, I am just not 
> > > able to think of how this could be done (truthfully, I can't 
> > > even think of a way to do it intentionally).  
> > > 
> > > Is he off base that a goof in my code could bring down the
> > > server, or does he have a legitimate concern.  I have made 
> > > the occasional mistake of forgetting to include Movenext 
> > > within a loop looking at a series of records, but I am just 
> > > not able to come up with any instances.
> > > 
> > > Any help with this would be greatly appreciated.
> > > 
> > > Cheers -
> > > 
> > > george
> > > 
> > > 
> > > 
> > > 
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> 
> 
> 
> 
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