and in a similar vein the same goes for custom error redirection

[rvj]

3. does the use of custom errors such as invalid directory (404) etc have a
miminal impact on server resources or it is significant

4. ... and are there any easy ways to monitor/measure/compare ?

[Anthony Jones]

"rvj" <rv*@rolemodels.netwrote in message
news:%2******************@TK2MSFTNGP06.phx.gbl...

3. does the use of custom errors such as invalid directory (404) etc have

a

miminal impact on server resources or it is significant

Thats not easy to answer because

1. The question isn't that clear (when a 404 happens the server has to do
something anyway)
2. In normal circumstances errors would be rare hence performance impact
would not be a consideration

4. ... and are there any easy ways to monitor/measure/compare ?

Don't know of 'easy' ways, although your definition of 'easy' may differ
from mine.

Putting it all together you are considering sending images using a Custom
404 hack. Its much more expensive than allowing IIS to serve up the images
itself.
--
Anthony Jones - MVP ASP/ASP.NET

[rvj]

I was thinking in terms of having virtually having no directory structure
to speak of so virtually all requests would be via custom redirection to a
database or some other routing technology

"Anthony Jones" <An*@yadayadayada.comwrote in message
news:ug****************@TK2MSFTNGP02.phx.gbl...

>
"rvj" <rv*@rolemodels.netwrote in message
news:%2******************@TK2MSFTNGP06.phx.gbl...

>3. does the use of custom errors such as invalid directory (404) etc
have

a

>miminal impact on server resources or it is significant

Thats not easy to answer because

1. The question isn't that clear (when a 404 happens the server has to do
something anyway)
2. In normal circumstances errors would be rare hence performance impact
would not be a consideration

>4. ... and are there any easy ways to monitor/measure/compare ?

Don't know of 'easy' ways, although your definition of 'easy' may differ
from mine.

Putting it all together you are considering sending images using a Custom
404 hack. Its much more expensive than allowing IIS to serve up the
images
itself.
--
Anthony Jones - MVP ASP/ASP.NET

[Anthony Jones]

"rvj" <rv*@rolemodels.netwrote in message
news:ek****************@TK2MSFTNGP05.phx.gbl...

>
I was thinking in terms of having virtually having no directory structure
to speak of so virtually all requests would be via custom redirection to

a

database or some other routing technology

Funny that I've just this minute been discussing that in the iis group (see
subject ' custom 404 page headers problem' started by 'Simon')

Also in this group 'Detecting if modified since in Classic Asp' started by
'Simon'

However I don't need either of these threads to say: Don't do it, its just
plain mad.

At least not in this way (using the 404 hack).

Instead get yourself a freebie ISAPI URL rewriter and do it that way.

--
Anthony Jones - MVP ASP/ASP.NET

[rvj]

thanks for the advice

PS this is where I came in

"Anthony Jones" <An*@yadayadayada.comwrote in message
news:OM****************@TK2MSFTNGP02.phx.gbl...

"rvj" <rv*@rolemodels.netwrote in message
news:ek****************@TK2MSFTNGP05.phx.gbl...

>>
I was thinking in terms of having virtually having no directory
structure
to speak of so virtually all requests would be via custom redirection to

a

>database or some other routing technology

Funny that I've just this minute been discussing that in the iis group
(see
subject ' custom 404 page headers problem' started by 'Simon')

Also in this group 'Detecting if modified since in Classic Asp' started by
'Simon'

However I don't need either of these threads to say: Don't do it, its
just
plain mad.

At least not in this way (using the 404 hack).

Instead get yourself a freebie ISAPI URL rewriter and do it that way.

--
Anthony Jones - MVP ASP/ASP.NET