What????......Raymond can you be more specific....
Raymond Camden wrote:
> > The problem appears to be when spectra does Duplicates of
> > large structures (ie the sitemodel- ours is HUGE) into
> > different scopes in memory..... The more simultanious threads
> > you have, the more likley these large copies will happen
> > together, making CF need more memory for Scratch space while
> > the copy is made....
>
> FYI, this _specific_ issue was addressed on spectrasource.
>
> This is not really a Spectra issue, it's a CF issue in general.
>
> Consider this pseudo-code:
>
> Does server.foo exist? If not, load foo.cfm
> foo.cfm:
> Begin creating a large structure.
> Copy large struct to server scope.
>
> Now, imagine foo.cfm gets called when server.foo does not exist. If you
> have N people hitting the server, then all N will create large
> structures. Sure, they only exist in the local Variables scope, but they
> all take up memory. So, imagine that the struct is 10 megs big. If 100
> people create that var at the same time... as you can imagine, the
> memory usage would climb. I don't even think it's fair to call this a CF
> issue, it's a code issue really. Having N people create a large
> structure is not effecient. Only one person/request needs to actually
> make it.
>
> So, for the SLM, we single threaded the create. Now foo.cfm would look
> like:
>
> foo.cfm:
> Is anybody else making the big structure? No, then:
> Mark it that we are updating the big struct
> Make a local big guy
> Copy the big guy to Server.Yourmother
> Unmark it
>
> =======================================================================
> Raymond Camden, Principal Spectra Compliance Engineer for Macromedia
>
> Email : [EMAIL PROTECTED]
> Yahoo IM : morpheus
>
> "My ally is the Force, and a powerful ally it is." - Yoda
>
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