Kris, As dave said, I would start with increasing minimum and maximum heap size to something more likely for a 64bit server. 512megs is inadequate. Set it to at least 1024 (both of them) and other's have mentioned additional switches.
-Mark Mark A. Kruger, MCSE, CFG (402) 408-3733 ext 105 Skype: markakruger www.cfwebtools.com www.coldfusionmuse.com www.necfug.com -----Original Message----- From: Kris Jones [mailto:kris.jon...@verizon.net] Sent: Monday, July 12, 2010 5:46 PM To: cf-talk Subject: Re: JVM args, GC issues, performance tuning - CF9, Win2k8 It's as default as it gets. No changes from initial install at all: An enterprise server CF9 hf1: java.args=-server -Xmx512m -Dsun.io.useCanonCaches=false -XX:MaxPermSize=192m -XX:+UseParallelGC -Xbatch -Dcoldfusion.rootDir={application.home}/ -Djava.security.policy={application.home}/servers/cfusion/cfusion-ear/cfusio n-war/WEB-INF/cfusion/lib/coldfusion.policy -Djava.security.auth.policy={application.home}/servers/cfusion/cfusion-ear/c fusion-war/WEB-INF/cfusion/lib/neo_jaas.policy A standard server CF9 hf1: java.args=-server -Xmx512m -Dsun.io.useCanonCaches=false -XX:MaxPermSize=192m -XX:+UseParallelGC -Xbatch -Dcoldfusion.rootDir={application.home}/../ -Djava.security.policy={application.home}/../lib/coldfusion.policy -Djava.security.auth.policy={application.home}/../lib/neo_jaas.policy -Dcoldfusion.classPath={application.home}/../lib/updates,{application.home}/ ../lib,{application.home}/../gateway/lib/,{application.home}/../wwwroot/WEB- INF/cfform/jars,{application.home}/../wwwroot/WEB-INF/flex/jars -Dcoldfusion.libPath={application.home}/../lib Cheers, Kris On Mon, Jul 12, 2010 at 5:16 PM, Wil Genovese <jugg...@trunkful.com> wrote: > > Please post your JVM config line from jvm.config > > I can most likely give you the pointers you need once I see your existing config arguments. > >> >> 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/3932bce486621ab e/8b37ea8cbe0384b6?pli=1 >> >> And on GC itself: >> http://www.softwaresecretweapons.com/jspwiki/thelastjavagarbagecollectiongui deyouwilleverneed >> >> 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). >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology-Michael-Dinowitz/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:335280 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
