z/OS Version 2 Release 1 Technical Updates

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Workload manager

The Workload Manager is an IBM z/OS component that handles the installation-declared transaction goals, as stated in a service definition policy. This chapter describes the Workload Manager enhancements that were introduced with z/OS Version 2 Release 1 (2.1):

•22.1, “Extend IWMCLSFY macro interface to AMODE64” on page 288

•22.2, “Performance blocks (PBs) above the 2 GB bar” on page 288

•22.3, “Fast path classification” on page 289

•22.4, “Workload Manager I/O priority group” on page 290

•22.5, “Improved accuracy for the IWMEQTME ...

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