WAS: SUN JVM Tunning

# pwd

/opt/IBM/WebSphere/AppServer/java/bin

# ./java -version

java version "1.6.0_37"

Java(TM) 2 Runtime Environment, Standard Edition (IBM J6_26 build 1.6.0_37-b06 24_Oct_2012_04_14 solaris sparcv9 (SR4))

Java HotSpot(TM) Server VM (build 20.12-b01, mixed mode)

IBM Java ORB build orb626-20121008.00

XML build XL TXE Java 1.0.29

XML build IBM JAXP 1.4.7

XML build XML4J 4.5.19

Java HotSpot(TM) Server VM (build 20.12-b01, mixed mode)
When you see the HotSpot VM, this means it is the Sun JVM wrapped with
IBM's implementation such as ORB, JAXP and etc. On IBM's implentation
of JVM you will not see this HotSpot information.

http://pic.dhe.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=%2Fcom.ibm.websphere.nd.doc%2Finfo%2Fae%2Fae%2Frprf_hotspot_parms.html

http://docs.oracle.com/cd/E19462-01/819-4673/gbpxm/index.html
https://blogs.oracle.com/sunabl/entry/solaris_network_tuning_for_websphere
https://blogs.oracle.com/sunabl/entry/websphere_tuning_tip_scalability_on
https://blogs.oracle.com/sunabl/entry/understanding_websphere_and_java_updates