Hi all,

We've been running into some issues while testing a new deployment.
Servers are CF9 (hf1) on Win2k8 64-bit. Also seeing same problems on
developer machines running Win7 64-bit, and WinXP (32-bit). We're
seeing the problem on both CF9 Standard as well as CF9 Enterprise.

We're having trouble getting the GC to maintain a happy state, service
climbs and climbs, and eventually kacks the server. Wondering if any
of the following suggestions for GC settings etc., still apply for
CF9.
http://www.coldfusionmuse.com/index.cfm/2005/10/28/jvm.gc
http://www.petefreitag.com/articles/gctuning/

Did find this, which shows his solution, but no good discussion about
setup based on server config:
http://forums.adobe.com/thread/642057?tstart=0

And this one discusses 64-bit implementation, but again, no real
guidelines for how to tune.
http://groups.google.com/group/cfaussie/browse_thread/thread/3932bce486621abe/8b37ea8cbe0384b6?pli=1

And on GC itself:
http://www.softwaresecretweapons.com/jspwiki/thelastjavagarbagecollectionguideyouwilleverneed

Are there other resources that detail JVM args, GC settings, versions,
etc., as relates to CF9? Is it advisable to change the GC type?

CF9 ships with 6.0_14, which doesn't exhibit the class loader bug. We
are seeing some mem lost when passing very large strings between
objects. This is resolved if we package the strings inside of structs
(pass by ref vs. pass by val), or write the process old-school. But,
honestly, is that a solution? We've implemented a check for var
scoping errors across the board, and have made sure that the output
attribute on every function definition is there and set to either true
or false (not left blank, or undefined).

Thoughts? Or is time to give up, punch the clock and retire?

Cheers,
Kris

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