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Status Not under consideration
Categories z/TPF
Created by Guest
Created on Oct 25, 2018

Cross-processor Short Term Pool Return & Pool Directory Update

Allow short term pool directories to be updated by any processor in a z/TPF loosely-coupled complex to prevent lost short term pool and accelerated re-dispensing of pool causing improper re-use of pool currently in use by another LNIATA AAA.

Idea priority High
  • Guest
    Reply
    |
    Apr 24, 2020

    The understanding of the lab is the following:
    (1) While TPF was processing a transaction, work went off of TPF to gather additional information. When the information returned, the data was put into short term pools and chained to the AAA. This work was done on a different processor than the one that made the request.
    (2) Eventually, when an end transaction or ignore is done, the AAA is cleaned up and the short term pools that were chained out of the AAA are released. These short term pools were obtained on a different processor than the processor where the pools are released.
    (3) A temporary work around was created. This temporary work around caused the information that was returned to TPF to be processed on the same processor that made the request.

    The lab's opinion is that the temporary work around is actually the best long term solution. The request to return short term pools to the processor where they were dispensed would require significantly more overhead than the work around that is currently in place.