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I read Phil's essay on application servers and three-level hierarchies while the Sun Ultra 10 on my desk churned through another test series to get some performance numbers on what kind of performance hit I can expect from ColdFusion versus stock HTML.
Obviously, the more levels one introduces to the hierarchy, and the more dinking around one does with the data that ultimately winds up being shoved out to the end-user, the more time or performance it'll take.
I arrived at my current job a month ago, eager to CFML-ize everything within reach. But now that I'm running tests (using Jef Poskanzer's http_load), I'm starting to realize that ColdFusion isn't particularly efficient at handling high loads. Simply having the CFserver (running as an NSAPI plugin to Netscape Enterprise Server) *look* at data, even if there's nothing there for it to parse or act on, drops pages-per-second performance incredibly.
Of course, we're not...