Thanks to Chuck and all the rest.
As I mentioned in a previous email(s) I was trying to update some performance
Testing I started a few years ago where I got to a point where I was seeing
3-4msec. My architecture till last night was Apache web server and JBoss
5.1.0GA. Based on some this groups recommendations I ended up taking an
interesting ride but am almost done. I thought you all might find this
educational:
1. Disable Apache Web Server and use Tomcat http connector
2. Because of using php and Tomcat does not support it had to change all php to
html.
3. Found out port 80 issues with internal Tomcat of JBoss and maybe router/OS.
Setup Tomcat external to JBoss and rewrote web service to use jndi to get to
EJB's on JBoss 5.1.0GA. Configured Tomcat to use port 80.
4. Moved dir for jnlp jars under ROOT since did not know how to configure
Tomcat to point to dir outside of ROOT.war.
5. Reran perf tests last night and almost inside of 2msec response time after
steps 1-4. Now is 3-4msec was 4-5 with JBoss/Internal Tomcat. Did some jvm
tuning and need to do some more. Web Service measures 20 microseconds at
exposed web service method inside of Tomcat.
Next step is to install APR and rerun tests and maybe do some more tuning jvm
and maybe elsewhere for Tomcat.
Goal is to see if I can get down to 1msec or less as measured at Java client
and/or using profiler to measure at Tomcat server.
Again thanks for all the help! I wanted to lighten up my architecture and now
can do 3 tier or 2 and maybe eliminate JBoss altogether some day to have 1 tier
(not including database).
-Tony
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