SET_JVM procedure

The SET_JVM procedure can be used to manage specific JVM jobs.

This actions provided by this Db2® for i procedure can also be accomplished interactively using the Work with JVM Jobs (WRKJVMJOB) command.

Authorization: None required.

Read syntax diagramSkip visual syntax diagramSET_JVM(job_name, action)
The schema is QSYS2.
job_name
A character or graphic string expression that identifies the qualified job name of the job to change.
action
A character or graphic string expression that specifies that action to perform. Supported actions are:
GC_ENABLE_VERBOSE
Enable verbose garbage collection detail.
GC_DISABLE_VERBOSE
Disable verbose garbage collection detail.
GENERATE_HEAP_DUMP
Generates information about the JVM's heap. Generates a dump of all the heap space allocations which have not yet been freed.
GENERATE_SYSTEM_DUMP
Generates system detail for the JVM. Generates a binary format raw memory image of the job that was running when the dump was initiated.
GENERATE_JAVA_DUMP
Generates Java™ detail for the JVM. Generates multiple files that contain diagnostic information for the JVM and the Java applications running within the JVM.

Example

  • Change a specific web admin JVM to provide verbose garbage collection details:
    CALL QSYS2.SET_JVM('121376/QWEBADMIN/ADMIN4','GC_ENABLE_VERBOSE') ;