-XX:+UseConcMarkSweep can be used successfully on single CPU machines. This collector cleans up the tenured generation in parallel with the execution of the application but it doesn't actually require multiple CPUs (although it will of course benefit from 2+ CPUs)
Andy On 4/15/05, Robertson-Ravo, Neil (RX) <[EMAIL PROTECTED]> wrote: > This -XX:+UseConcMarkSweepGC should not be used on a dual processor box. You > can remove it altogether to get better 0performance. > > > -----Original Message----- > From: Dov Katz [mailto:[EMAIL PROTECTED] > Sent: 15 April 2005 02:53 > To: CF-Talk > Subject: sorry, back to JVM/GC for a moment > > Final sanity check. Please advise if I should change anything. (w2k server > 2 1ghz proc with 1gb ram - sharing sql on same box) > > I have the following JVM setting, after I modified it last week. Things seem > good, but what else should I be looking to optimize things? What might be > wrong/inefficient here? Thanks > -dov > > -server -DJINTEGRA_NATIVE_MODE -DJINTEGRA_PREFETCH_ENUMS -Xms256m -Xmx512m > -Dsun.io.useCanonCaches=false > -Xbootclasspath/a:"{application.home}/../lib/webchartsJava2D.jar" > -XX:MaxPermSize=128m -XX:PermSize=64m -XX:NewSize=64m > -XX:+UseConcMarkSweepGC > -Djavax.xml.parsers.SAXParserFactory=com.macromedia.crimson.jaxp.SAXParserFa > ctoryImpl > -Djavax.xml.parsers.DocumentBuilderFactory=com.macromedia.crimson.jaxp.Docum > entBuilderFactoryImpl > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:203004 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
