Fusebox 3, Reactor rev 403. Relatively simple application.
I'll check out the var scope checker and see if I screwed up somewhere.
I've never heard of that tool before, and I've probably completely forgotten
whatever issue it checks for! :)
Marc
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Dan Wilson
> Sent: Friday, December 15, 2006 6:37 PM
> To: [email protected]
> Subject: Re: [Reactor for CF] URGENT... Survey app
> barfing under load
>
> Marc,
>
> Please post any and all frameworks you are using.
>
> Also, run the Var Scope Checker tool on your Production Code:
> http://www.petry-johnson.com/files/VarScopeChecker_v1.0.6.zip
>
> If you want some background, Dave Shuck said it better
> than I can:
>
> http://daveshuck.instantspot.com/blog/index.cfm/2006/11/
> 28/Thread-safety-example--Var-scope-your-loop-index-in-C
> oldFusion-CFCs
>
>
> Unscoped variables can slam your code so lets start
> with the easy stuff first.
>
> Dan Wilson
>
>
>
>
>
>
>
> On 12/15/06, Marc <[EMAIL PROTECTED]> wrote:
> > Well, we got our survey app online, after finally
> figuring out that we
> > needed reactor to be in a directory in the root of
> our app with no mapping.
> >
> > The client broadcast to his mailing list to take the
> survey, and lo
> > and behold, our robust server is just choking... And
> it's really not
> > THAT many users at once. Of course, it's all my
> fault, so I need to
> > ask for some help at this point. I didn't even think
> to ask him how
> > many people were getting the newsletter/notice of the
> survey, and
> > reactor had been performing well in my tests --
> though I did not have
> > time to perform proper load tests on this app, nor do
> I really have the tools to do so.
> >
> > We are in production mode. There's a lot of
> questions in the survey,
> > but they are delivered in "pages". The database
> server is not really
> > under a lot of load overall, so this really seems to
> be a CPU usage issue.
> >
> > I'll answer any questions that anyone willing to help
> would like to
> > ask, to help us get this completed app running better
> than it is. I
> > think we need to look at caching the queries that
> pull the questions
> > onto each page as the page is loaded, and we may need
> to look at how
> > the answers are stored back to the database as well.
> For each answer
> > on the page, there's a database insert. I can also
> provide our dB schema.
> >
> > But first I thought I'd check with everyone, to see
> if there's some
> > additional "performance related setting" I should
> check, within reactor.
> > Caching, mode, etc.
> >
> > I'm not sure if this should be taken off-list or not,
> but there will
> > certainly be a reply back to the list when it's OVER,
> to make sure
> > nobody makes the same mistake I have just made.
> >
> > Anyone care to join me in hell's cubicle for a little while?
> >
> > marc
> >
> >
> >
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> Come to the edge, he said. They came. He pushed them
> and they flew."
>
> Guillaume Apollinaire quotes
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