I should add that Tomcat is running as a Windows service, it isn't started manually.
-----Original Message----- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: 09 Dec 2011 15 29 To: Tomcat Users List Subject: RE: Tomcat memory allocation > From: Martin O'Shea [mailto:app...@dsl.pipex.com] > Subject: RE: Tomcat memory allocation > But if I change the settings in catalina.bat to: Don't make changes to catalina.bat; create a setenv.bat to hold all your local settings. > set CATALINA_OPTS=%CATALINA_OPTS% -Xms128m -Xmx768m > -XX:MaxPermSize=128m > In Tomcat Manager I see: Use a real JVM analysis tool (e.g., JConsole, VisualVM), not the manager webapp. > Free memory: 97.90 MB Total memory: 122.68 MB Max memory: 227.56 MB > Shouldn't total or max memory have a higher reading? No, since the heap size is sliding around between Xms and Xmx. You might want to take a look at the papers here: http://www.oracle.com/technetwork/java/javase/tech/index-jsp-140228.html Especially interesting are the ergonomics and tuning ones. - 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 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
