Monitoring sessions in application server

The method described below is reated to GlassFish Application Server in Solaris 10 environment.
I've used the example of Convergence application (from Sun Java Communications Suite), but it could be any other app deployed on appsvr.

Before we start let's check the monitoring levels of services:

# /opt/SUNWappserver/bin/asadmin get server.monitoring-service.module-monitoring-levels.*
server.monitoring-service.module-monitoring-levels.connector-connection-pool = OFF
server.monitoring-service.module-monitoring-levels.connector-service = OFF
server.monitoring-service.module-monitoring-levels.ejb-container = OFF
server.monitoring-service.module-monitoring-levels.http-service = OFF
server.monitoring-service.module-monitoring-levels.jdbc-connection-pool = OFF
server.monitoring-service.module-monitoring-levels.jms-service = OFF
server.monitoring-service.module-monitoring-levels.jvm = OFF
server.monitoring-service.module-monitoring-levels.orb = OFF
server.monitoring-service.module-monitoring-levels.thread-pool = OFF
server.monitoring-service.module-monitoring-levels.transaction-service = OFF
server.monitoring-service.module-monitoring-levels.web-container = OFF

The most interesting, in this case, is the last one.
To begin monitor the given service we have to switch its lavel to HIGH (or LOW; it makes no difference from GlassFish v3).

# /opt/SUNWappserver/bin/asadmin set server.monitoring-service.module-monitoring-levels.web-container=HIGH
Please enter the admin user name>admin
Please enter the admin password>
server.monitoring-service.module-monitoring-levels.web-container = HIGH

Let's look at all the session counters related lines.

All appliacations:

# /opt/SUNWappserver/bin/asadmin get --user admin --passwordfile /your/favourite/path/to/password/file \
--monitor=true server.applications.*.server.*session*count 

Convergence only:

# /opt/SUNWappserver/bin/asadmin get --user admin --passwordfile /your/favourite/path/to/password/file \
--monitor=true server.applications.Convergence.server.*session*count 

Sample command to get the current value of Convergence active sessions:

# /opt/SUNWappserver/bin/asadmin get --user admin --passwordfile /your/favourite/path/to/password/file \
--monitor=true server.applications.Convergence.server.activesessionscurrent-count
server.applications.Convergence.server.activesessionscurrent-count = 99