How costly is the instantiation of a gateway's listener CFC?

In article <fak4kj$4bg$1@forums.macromedia.com> "BKBK"
<webforumsuser@macromedia.com> wrote:
> How is the gateway's listener CFC invoked? How often? What are the
> performance costs, if any?

The CFC is instantiated on every request.

I run the IRC #coldfusion channel bot (on dal.net). It's a ColdFusion
event gateway (downloadable from my blog).

At one point I was concerned about the performance cost of
instantiating the gateway on every request (for every single message
written into the channel!). So I created a variant that had the main
bot code in a CFC in application scope and a lightweight CFC that was
used as the gateway, which delegated onIncomingMessage() to the CFC in
application scope.

I tested it under load and the difference in performance was
negligible.

So I wouldn't worry about it.

Sean Corfield
An Architect's View -- < http://corfield.org/>


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