6 Oracle Applications JVM Usage

The Oracle Applications JVM Usage target monitors the Oracle Applications Java Virtual Machines (JVMs).

6.1 Application Modules Count

This metric category indicates the number of active Oracle Application Framework pages that are currently being accessed by users.

6.1.1 Application Module Pools

This metric displays the number of Application Module pool instances.

Target Version	Collection Frequency
All Versions	Every 60 Seconds

6.1.2 Total Application Modules

This metric displays the total number of application modules.

Target Version	Collection Frequency
All Versions	Every 60 Seconds

6.1.3 Total Locked Application Modules

This metric displays the total number of locked application modules.

Target Version	Collection Frequency	Default Warning Threshold	Default Critical Threshold
All Versions	Every 60 Seconds	Not Defined	Not Defined

User Action

Administrators can review the profile options related to the Application Module Pool and check whether they are set at optimal levels.

6.2 Cached Objects

This metric category provides information about the present load generated by the Forms processes.

6.2.1 Total Cached Components

This metric displays the registered cache components in the system.

Target Version	Collection Frequency	Default Warning Threshold	Default Critical Threshold
All Versions	Every 60 Seconds	Not Defined	Not Defined

User Action

Clear cache using Functional Administrator Responsibility. For more information, see your Oracle E-Business Suite System Administrator's Guide.

6.2.2 Total Objects

This metric displays the total number of objects contained in the component cache.

Target Version	Collection Frequency
All Versions	Every 60 Seconds

User Action

Identify the processes that are consuming the most CPU and take appropriate action.

6.3 Locked/Leaked AOL/J Connections

This metric category lists the number of locked and leaked Java Database Connectivity (JDBC) connections.

6.3.1 Leaked AOL/J Connections

This metric displays the number of leaked JDBC connections utilized by applications.

Target Version	Collection Frequency	Default Warning Threshold	Default Critical Threshold
All Versions	Every 60 Seconds	Not Defined	Not Defined

User Action

Enable connection leak diagnostics

6.3.2 Locked AOL/J Connections

This metric displays the number of locked JDBC connections utilized by applications.

Target Version	Collection Frequency
All Versions	Every 60 Seconds

User Action

Review the AOLJ connection pool size and increase if necessary.

6.4 OC4J JVM Instance Metrics

This metric category provides information about the Oracle Containers for J2EE (OC4J) JVM instance.

6.4.1 OC4J JVM - Active Threads

This metric displays the number of threads currently executing in the JVM.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

User Action

No generic action.

6.4.2 OC4J JVM - CPU Usage (%)

This metric displays the percentage of CPU currently being used by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.3 OC4J JVM - Memory Usage (MB)

This metric displays the amount of memory currently being used by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.4 OC4J JVM Instance - Aborted Transactions

This metric displays the number of transactions that were terminated for this OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.5 OC4J JVM Instance - Active EJB Methods

This metric displays the number of Enterprise Java Beans (EJB) methods that are currently being executed by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.6 OC4J JVM Instance - Active Requests

This metric displays the number of servlets and JavaServer Pages (JSPs) currently being executed by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.7 OC4J JVM Instance - Active Sessions

This metric displays the number of active HTTP sessions used by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.8 OC4J JVM Instance - Active Transactions

This metric displays the number of transactions that are currently open for this OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.9 OC4J JVM Instance - Committed Transactions

This metric displays the number of transactions that are committed for this OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.10 OC4J JVM Instance - EJB Method Execution Rate (per second)

This metric displays the rate at which the EJB methods are currently being executed by this OC4J JVM instance during the last collection interval.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.11 OC4J JVM Instance - EJB Method Execution Time (seconds)

This metric displays the time consumed to execute EJB methods for this OC4J JVM instance during the last collection interval.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.12 OC4J JVM Instance - Heap Usage (MB)

This metric displays the amount of heap space used by the OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.13 OC4J JVM Instance - Open JDBC Connections

This metric displays the number of JDBC open by applications that are part of this OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.14 OC4J JVM Instance - Request Processing Time (seconds)

This metric displays the average time consumed to execute servlets and JSPs for this OC4J JVM instance during the last collection interval.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.15 OC4J JVM Instance - Requests Per Second

This metric displays the rate at which servlets and JSPs are being invoked for this OC4J JVM instance during the last collection interval.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.16 OC4J JVM Instance - Start Time (ms since Epoch)

This metric displays the time when the OC4J JVM instance was started. It is represented in milliseconds since the UNIX epoch (that is, January 1, 1970).

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.4.17 OC4J JVM Instance - Total JDBC Connections

This metric displays the total number of JDBC connections that are part of this OC4J JVM instance.

Target Version	Collection Frequency
All Versions	Every 5 Minutes

6.5 Response

This metric category provides information about the status of the Oracle Applications JVM Usage target.

6.5.1 Status

This metric checks if the target is up and running.

Target Version	Collection Frequency	Default Warning Threshold	Default Critical Threshold	Alert Text
All Versions	Every 1 Minute	Not Defined	0	Oracle Applications JVM Usage is down

User Action

If the target is down, then check the log files and take appropriate action if it is down unexpectedly.