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Status Future consideration
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Aug 26, 2013

RELATED IDEAS

Use ECB Resource Monitor to prevent input list shutdown

Create two new resources that the ECB Resource monitor will follow only when the system is in input list shutdown:
.
1) CPU milliseconds used since the input list shutdown condition
2) Number of VFA accesses since the input list shutdown condition
.
When the first threshold of either of these new resources is reached the ECB should be placed on the VCT list, this could be an option in addition to the normal message or return dump.
The second threshold would follow the normal actions of either a message or dump with exit.
The idea is to use ECBRM to resolve an input list shutdown, specifically situations where ECBs looping on the ready list are waiting for resources held by an ECB on the Suspend list.<br />Forcing the looping ECbs to the VCT list will break the deadly embrace by allowing the suspend list ECBs back on to the Ready list, if not then exiting the ECB at the second threshold should certainly end the input list shutdown condition.

Idea priority Medium
  • Guest
    Reply
    |     Oct 14, 2015

    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/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF

  • Guest
    Reply
    |     Jan 13, 2014

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF
    Component - z/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF
    Component - Runtime

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