JVM Memory Resource Statistics Test

This test monitors every memory type on the JVM of the target IBM Integration Bus and reports how efficiently the JVM utilizes the memory resources of each type.

Target of the test : An IBM Integration Bus

Agent deploying the test : An internal/remote agent.

Outputs of the test : One set of results for each memory type on the JVM of the IBM Integration Bus that is to be monitored

Configurable parameters for the test
Parameters	Description
Test period	How often should the test be executed.
Host	The host for which the test is to be configured.
Port	The port on which the specified host listens.
JNDI Namespace Location	Indicate where the JNDI namespace has been created. For this, select one of the following options: File or LDAP. Select File if the JNDI namespace is created in the same location as that of the IIB server.
SSL	If you have chosen LDAP as the JNDI Namespace Location wherein the LDAP server communicating with the IIB server that is to be monitored is an SSL-enabled server, then set the SSL flag to Yes. By default, this flag is set to No.
User DN and Password	Here, provide the credentials of the Active Directory user created as explained in Creating a user in the Active Directory server, if the target IIB server is monitored in an agentless manner. If the IIB server is to be monitored in an agent based manner, specify none against these parameters.
Confirm Password	Confirm the Password by retyping it in this text box.
JNDI Provider URL	Specify the URL that was specified as the provider URL while creating the initial context. To know the Provider URL, refer to Agent based monitoring of the IIB server if you choose to monitor the target IIB server in an agent based manner and Agentless Monitoring of the IIB server if you chose to monitor the target IIB server in an agentless manner.
TopicConnectionFactory	Specify the name of the connection factory in this text box. If you have chosen to monitor the target IIB server in an agent-based manner, refer to Creating a Connection Factory and if you have chosen to monitor the target IIB server in an agentless manner, refer to Creating a Connection Factory.
JMS Resource Stats	Specify the name of the JMS destination that you have created for storing the Resource statistics. If you chose to monitor the target IIB server in an agentless manner, refer to Creating the JMS Destinations and if you choose to monitor the target IIB server in an agent based manner, refer to Agent based monitoring of the IIB server.
JMS Flow Stats	Specify the name of the JMS destination that you have created for storing the Message flow statistics. If you chose to monitor the target IIB server in an agentless manner, refer to Creating the JMS Destinations and if you choose to monitor the target IIB server in an agent based manner, refer to Agent based monitoring of the IIB server.

Measurements made by the test
Measurement	Description	Measurement Unit	Interpretation
Committed memory	Indicates the amount of memory that is allocated to this memory type on the JVM by the operating system.	MB
Used memory	Indicates the amount of memory of this memory type that is currently in use.	MB	It includes the memory occupied by all objects, including both reachable and unreachable objects. Ideally, the value of this measure should be low. A high value or a consistent increase in the value could indicate gradual erosion of memory resources. In such a situation, you can take the help of the detailed diagnosis of this measure (if enabled), to figure out which class is using up memory excessively.
Maximum configured memory	Indicates the maximum amount of memory of this memory type that can be used for memory management.	MB
Used percentage of committed memory	Indicates the percentage of memory that is allocated to this memory type on the JVM.	Percent	Ideally, the value of this measure should be low. A very high value of this measure could indicate excessive memory consumption by the JVM, which in turn, could warrant further investigation.
Used percentage of the maximum configured memory	Indicates the percentage of maximum memory of this memory type that can be used for memory management.	Percent
Free memory in the committed memory	Indicates the amount of memory that is left unused from the total amount allocated to this memory type on the JVM.	MB	A high value is desired for this measure.
Free memory in the maximum configured memory	Indicates the amount of memory that is unused from the maximum amount of memory of this memory type that can be used for memory management.	MB	A high value is desired for this measure.