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Status Future consideration
Workspace z/OS
Categories BCP_IOS
Created by Guest
Created on Jul 15, 2021

RELATED IDEAS

zEDC Authorized Services Managing Module Dynamic Area and History Buffer + Update Documentation

While testing out zEDC authorized services running in synchronous mode on a z15, we noticed pairs of STORAGE OBTAINS/RELEASES surrounding each call to FPZ4ABC, leading to increased CPU time. After opening a PMR, it was revealed that these requests are done in order to manage a module dynamic area and history buffer. I was instructed to open this RFE for the zEDC developers to take a look at the design on the FPZ4ABC service.

The PMR also revealed that the zEDC documentation was lacking for the authorized services on the z15. Apparently, FPZ4RZV/RMR/DMR/URZ do not need to be called while on a z15, only FPZ4ABC needs to be called. This information is nowhere to be found in the zEDC documentation. I believe the doc should be updated to indicate this as it can save overhead and simplify the calling of these authorized services.

Idea priority Low
  • Guest
    Reply
    |     Jul 22, 2021

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/OS
    Component - BCP_IOS
    Operating system - IBM z/OS
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/OS
    Component - Other
    Operating system - IBM z/OS
    Source - None

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