JVMSERVER: Summary resource statistics
A summary listing of resource statistics for JVM servers, including the number of times the JVM server has been used by Java™ applications and thread usage.
Summary statistics are not available online.
| DFHSTUP name | Description |
|---|---|
| JVMSERVER name | The name of the JVMSERVER resource. |
| JVMSERVER LE runtime options | The name of the program that defines the runtime options of the Language Environment® enclave. |
| JVMSERVER use count | The number of times that the JVM server has been called. |
| Thread limit | The maximum number of threads that are allowed to run in the JVM server. |
| Peak threads | The peak number of threads in the JVM server. |
| Thread limit waits | The number of tasks that waited for a free thread. |
| Thread limit wait time | The amount of time that tasks waited for a free thread. |
| Peak thread limit waits | The peak number of tasks that waited for a free thread. |
| System thread use count | The number of times that the system thread has been used. |
| System thread waits | The number of CICS® tasks that waited for a system thread. |
| System thread wait time | The accumulated time that tasks spent waiting for a system thread. |
| Current sys thread waits | The current number of tasks that are waiting for a system thread. |
| Peak system thread waits | The highest number of tasks that waited for a system thread. |
| JVMSERVER status | The status of the JVMSERVER resource. |
| Current heap size | The size in bytes of the heap that is currently allocated to the JVM server. |
| Initial heap size | The size in bytes of the initial heap that is allocated to the JVM server. This value is set by the -Xms option in the JVM profile. |
| Max heap size | The size in bytes of the maximum heap that can be allocated to the JVM server. This value is set by the -Xmx option in the JVM profile. |
| Peak heap size | The size in bytes of the largest heap that has been allocated to the JVM server. |
| Heap occupancy | The size in bytes of the heap immediately after the last garbage collection occurred. |
| Garbage Collection (GC) | The garbage collection policy that is being used by the JVM. |
| Number of major GC events | The number of major garbage collection events that have occurred. |
| Elapsed time in major GC | The elapsed time that was spent performing major garbage collection. |
| Total memory freed by major GC | The total memory that was freed by performing major garbage collection. |
| Number of minor GC events | The number of minor garbage collections that have occurred. |
| Elapsed time in minor GC | The elapsed time that was spent performing minor garbage collection. |
| Total memory freed by minor GC | The total memory that was freed by performing minor garbage collection. |