MonitorMemory

Description:

Checks the amount of Java Heap available in the JVM for a particular JVM Memory Pool. If the amount of space used exceeds some configurable threshold, will warn (via a log message and System-Level Bulletin) that the memory pool is exceeding this threshold.

Tags:

monitor, memory, heap, jvm, gc, garbage collection, warning

Properties:

In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values.

NameDefault ValueAllowable ValuesDescription
Memory PoolPS Old Gen
  • Code Cache
  • Metaspace
  • Compressed Class Space
  • PS Old Gen
The name of the JVM Memory Pool to monitor. The allowed values for Memory Pools are platform and JVM dependent and may vary for different versions of Java and from published documentation. This reporting task will become invalidated if configured to use a Memory Pool that is not available on the currently running host platform and JVM
Usage Threshold65%Indicates the threshold at which warnings should be generated. This can be a percentage or a Data Size
Reporting IntervalIndicates how often this reporting task should report bulletins while the memory utilization exceeds the configured threshold

State management:

This component does not store state.

Restricted:

This component is not restricted.

System Resource Considerations:

None specified.