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.

Table 1. JVMSERVER: Summary resource statistics
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.