A special program called a trigger monitor receives the trigger message from the queue manager, reads the process definition, and then runs the command line task specified there.
It is much more convenient during the testing phase to run the trigger monitor as a foreground process because all of the diagnostic messages will be visible in the command session window.
在测试阶段，将触发器监控器作为前台进程运行更方便，因为所有诊断消息将在命令会话窗口中可见。
3
Thread 2 in Listing 2 is for taking multiple snapshots over the period without issuing the reset monitorcommand after the initial reset monitorcommand.