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From André Warnier ...@ice-sa.com>
Subject JVM/Tomcat startup parameters, HPUX
Date Wed, 19 Nov 2008 09:22:08 GMT
Hi.

On a customer HPUX B.11.11 system that we are (remotely and partially) 
managing, I would like to know with which java options (default or 
otherwise) the JVM is being started, particularly the options regarding 
memory usage by the JVM and Tomcat.

Tomcat runs as follows (ps -ex output) :

  19866 pts/2     0:21 /opt/java1.5/bin/PA_RISC2.0/java 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 
-XdoCloseWithReadPending 
-Djava.endorsed.dirs=/opt/hpws/tomcat/common/endorsed -classpath 
:/opt/hpws/tomcat/bin/bootstrap.jar:/opt/hpws/tomcat/bin/commons-logging-api.jar 
-Dcatalina.base=/opt/hpws/tomcat -Dcatalina.home=/opt/hpws/tomcat 
-Djava.io.tmpdir=/opt/hpws/tomcat/temp 
org.apache.catalina.startup.Bootstrap start

"top" shows the following for that process :
                                  SIZE   RES
  1 pts/2 19866 root     152 20  1291M   199M run      0:23  0.38  0.38 java

"/opt/hpws/tomcat/bin/version.sh" shows the following :

Using CATALINA_BASE:   /opt/hpws/tomcat
Using CATALINA_HOME:   /opt/hpws/tomcat
Using CATALINA_TMPDIR: /opt/hpws/tomcat/temp
Using JRE_HOME:       /opt/java1.5
Server version: Apache Tomcat/5.5.9
Server built:   Oct 22 2005 03:27:12
Server number:  5.5.0.0
OS Name:        HP-UX
OS Version:     B.11.11
Architecture:   PA_RISC2.0
JVM Version:    1.5.0.07-_20_mar_2007_05_31
JVM Vendor:     Hewlett-Packard Company

I cannot find in any of the startup scripts being used, any particular 
Java "-X" options being set.
I thus imagine it is using default options, but which are these ?
Is there a default startup script that the JVM uses for that somewhere ?

Thanks



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