JQE

Job Queue Element si a control block set up when a job is read into the system.

The initialization parameter JOBNUM is used to specify how many JQEs can be created by JES 2

The JQE is moved from queue to queue as the job moves through each stage of JES 2 processing.

Contents of a JQE are

• Job name
• Job priority
• Details of the entry node
• ID of the execution node
• Hold state (or lack thereof)
• Track address of the JCT (Job control table) on the spool data set
• Information on the next JES 2 phase the job is eligible for

The ability to modify the priority of the job might have been disabled, allowing the system to automatically determine the priority. If not disabled, you can also edit this value.

Initiators can be controlled by JES 2 or WLM. In the case the former does so, job classes are configured by the systems programmer configures them to maximise the resource usage.

Execution job class names

Execution job classes can be

• one character designations A-Z and 0-9
• User defined class names 2-8 characters long.

What can an operator not do with JQE

Job name, Details of the entry node, track address of the JCT and information on the next available phase of JES2 are all details of the JQE that the operator cannot modify

Hold status

A JQE indicating a hold status means that the job won't be able to be processed until this status is removed. This can happen because of an operator / user command, or from another process.