> From: Steffen Heil [mailto:li...@steffen-heil.de] > Subject: AW: OFFTOPIC: Java String problem - possible VM bug
> > There is a -XX option to limit or disable SSE usage: > > -XX:UseSSE=n > Hard to find more infomation on the web though. Even sun > does not list that option. There are many, many undocumented -XX options - you have to look at the JVM code. > However -XX:UseSSE=3 seems to have solved it. Good to know. > -Xincgc Using the above depends mostly on your webapp and throughput requirements; Tomcat itself won't care. With incremental GC, you will get shorter pauses for full GC events, but slightly less overall throughput. Only you and your users can decide what's best. More information here: http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#cms > I read a bit about the new G1 collector? Is it better? Probably a bit faster, but I have not put it under any real heavy loads. I'd be concerned about stability with it until it's had a bit more seasoning. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
