Tp Sessions Test

This test monitors the Transaction Processor sessions.

Target of the test : The TP server

Agent deploying the test : An internal agent

Outputs of the test : One set of outputs for the TP server monitored.

Configurable parameters for the test
Parameter Description

Test period

How often should the test be executed


The host for which the test is to be configured.


Refers to the port at which the specified host listens to.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

Current sessions to TP

Indicates the total number of Voyager sessions on the TP machine.


Ideally, the value of this measure should rise as the load increases, stabilize at target level and decrease when the session timeout period is exceeded. With multiple TPs, look for balanced values. If this is unbalanced, check the routing policy. If this value continues to increase, there could be a problem with garbage collection of expired sessions.

New sessions to TP

Indicates the number of new sessions that have been created in this TP in the past minute.


If this measure increases with load, and gains stability once peak load has been reached, it is a good sign. If there is no value, or the value suddenly drops, make sure that the web servers are functioning properly.

Session garbage collected in TP

Indicates the number of sessions which have been garbage collected on this TP in the past minute.  Sessions garbage collected include timed out and signed off sessions.



Session GC time

Indicates the average time spent in session garbage collection on this TP in the past minute.



Sessions timed out

Indicates the number of sessions that have timed out in the past minute.