Why Use the Work Manager Services

Work manager services allow MVS™ to recognize:

• A subsystem work manager and the transactions it processes.
• The service class goals associated with the transactions.
• The address spaces that are processing the transactions.

Based on this information, workload management can determine whether goals are being met, and which work needs resources to meet the goals.

The work manager services allow:

• Your customers to define performance goals to your subsystem work manager's transactions.
• MVS to recognize the goals, and match resources to the work to meet the goals.
• Your customers to get reports from performance monitors like RMF™ on how well work is executing and whether the goals are being met.

Using the work manager services in your product allows your customers to specify goals for your work the same way they specify them for MVS-managed work.

The work manager services allow workload management to associate incoming work with a service class. When the work is associated with a service class, MVS knows the performance goal and importance level associated with the work, as well as understanding which address spaces are involved in processing the work request.

If your work manager has a client-server structure and has additional objectives such as:

• Dynamic management of server address spaces, or
• Management of server work requests as part of the originating unit of work,
• Resource management and/or reporting of individual requests, or
• Balancing workload among servers across a sysplex,

then consider using either the queueing manager, the routing manager, or enclave services instead of the work manager services.

Table 1 shows a summary of the work manager services.