System for segregating a monitor program in a farm system

A computer system for monitoring the running of jobs, each job for executing an instance of an application program, the system comprising:

• a plot component that starts the instance of the application program and monitors the execution of the instance of the application program;
• a field component that starts an instance of the plot component for each instance of an application program;
• and
• a component that starts execution of a field component associated with the application program.

A system for monitoring the running of jobs, each job for executing an instance of an application program, comprising:

• means for starting an instance of a plot component to monitor execution of a job;
• means for starting an instance of the application program for the job;
• and
• means for, under control of the executing instance of the plot component, monitoring execution of the started instance of the application program.