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Status Not under consideration
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Aug 1, 2013

RELATED IDEAS

OSA polling when nearing the depletion of IPMT blocks

Enhancement to shutdown OSA polling when nearing the depletion of IPMT blocks. This occurs today when polling during dump processing, but is not done in the mainline polling path. To prevent complete depletion of IPMTs by OSA polling and possible socket failures for sending sockets because IPMTs are not available, suggest checks be made in the mainline polling path to ensure enough IPMTs are available to process a given OSA buffer. If there is not, polling stops until the next invocation of polling.

In addition to this a warning should be displayed to the console when these conditions occur so that the user is aware of the IPMT depletion to possible reconfigure IPMT storage.

Idea priority High
  • Guest
    Reply
    |     Jun 23, 2020

    Based on priority and effort, IBM does not intend to implement this in the foreseeable future.

    The priority of this RFE is not deemed high since there is the ability to define huge amounts of IPMT above the 2G bar. In addition, this would be a highly complex change as you cannot just 'shut down' polling when low on IPMTs because we need to get the TCP ACKs into TPF that would free up IPMTs.

  • 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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