Some good starting links: http://java.sun.com/j2se/1.5.0/docs/guide/vm/gc-ergonomics.html http://java.sun.com/docs/hotspot/gc/index.html http://www.petefreitag.com/articles/gctuning/
> -----Original Message----- > From: Che Vilnonis [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 10:02 AM > To: CF-Talk > Subject: RE: What's wrong with this jvm.config file? > > Ok. Thanks. One last thing... Where might I find some of > these GC options > online? > > ~Che > > -----Original Message----- > From: Mark A Kruger [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 9:50 AM > To: CF-Talk > Subject: RE: What's wrong with this jvm.config file? > > > Che, > > If you have steady traffic the ..MarkSweepGC that you've > specified is good. > A lot depends on the site and it's level of activity and > memory usage. There > are a ton of GC options and there's no subsititue for testing > and tweaking > :) > > -Mark > > -----Original Message----- > From: Che Vilnonis [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 8:35 AM > To: CF-Talk > Subject: RE: What's wrong with this jvm.config file? > > > Thanks Mark. I am not using the admin to edit this file. I > was hand editing > it. Any recommendations as to which GC to use? I know there > are a few. I > really have no clue! > > ~Che > > -----Original Message----- > From: Mark A Kruger [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 9:29 AM > To: CF-Talk > Subject: RE: What's wrong with this jvm.config file? > > > Che, > > You've specified 2 Garbage collectors. > > When you make changes to this file and you want to switch GC > params, don't > use the CF Admin to do it. It will automatically insert the > extraparams in > there. Get rid of the switch: > > -XX:UseParNewGC and restart. > > I have a blog about this issue at: > > http://mkruger.cfwebtools.com/index.cfm?mode=alias&alias=jvm.gc > > Hope this helps! > > -Mark > > > -----Original Message----- > From: Che Vilnonis [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 15, 2006 8:16 AM > To: CF-Talk > Subject: What's wrong with this jvm.config file? > > > Morning all. I am trying to do some performance mods to my > jvm.config file. > Problem is, I cannot get CF to start once I make changes to the file. > Server: Dual Xeon 3.06 w/ 2GBs of ram. Win 2003 Server. CFMX 6.1 > Professional. Original JVM. Am I leaving anything? Any edits > you'd like to > suggest? See below... > > # Arguments to VM > java.args=-server -DJINTEGRA_NATIVE_MODE > -DJINTEGRA_PREFETCH_ENUMS -Xmx768m > -Xms256 -Dsun.io.useCanonCaches=false > -Xbootclasspath/a:"{application.home}/ > ......./lib/webchartsJava2D.jar" -XX:MaxPermSize=128m > -XX:PermSize=64m -XX+Us > e > C > o > n > cMarkSweepGC -XX:NewSize=48m -XX:+UseParNewGC > -Djavax.xml.parsers.SAXParserF > actory=com.macromedia.crimson.jaxp.SAXParserFactoryImpl > -Djavax.xml.parsers. > DocumentBuilderFactory=com.macromedia.crimson.jaxp.DocumentBui > lderFactoryImp > l -XX:+DisableExplicitGC > > Thanks, Che > > > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Message: http://www.houseoffusion.com/lists.cfm/link=i:4:235443 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
