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Status Delivered
Workspace CICS Transaction Server for z/OS
Categories Runtime
Created by Guest
Created on Aug 8, 2019

RELATED IDEAS

Add storage statistics field for available 64-bit extents LWM

A new statistics field should be created that will be similar to this calculation outlined in the CICS v5.5 Knowledge Center (https://www.ibm.com/support/knowledgecenter/en/SSGMCP_5.5.0/reference/statistics/dfht3_stats_stgmgr_0stat_above2GB.html)
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MEMLIMIT minus allocated to Private Memory Objects
The value of the z/OS MEMLIMIT parameter minus the amount of storage allocated from large virtual memory in private memory objects. This value is expressed in megabytes.
When rounded down to units of GB, it represents the number of extra GDSA 1 GB extents that can be allocated by CICS currently.

Source field: (SMSMEMLIMIT - (SMSLVABYTES / 1048576))
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While this is a calculated field as currently outlined, it still only provides "a moment in time". A similar statistics field should be maintained about the extents available for growth, but should represent the Low Water Mark since the region recycle. Other LWM values focus on the free space as each extent needs contiguous storage. Thus, in a fragmented region, today's calculation alone may not give the full picture of whether a region can grow. Such a LWM may accomplish this.

Idea priority High
  • Guest
    Reply
    |     Apr 12, 2024
    Support is provided in CICS TS 6.2 which has been announced and will GA June 14th 2024.

    See Announcement letter https://www.ibm.com/docs/en/announcements/AD24-0164
  • Guest
    Reply
    |     Jun 14, 2023
    CICS Development: This is something we would like to address. The Idea is being moved into 'Planned for Future release' status.
    Please note:
    IBM's statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM's sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion
  • Guest
    Reply
    |     Oct 28, 2019

    This is a candidate for a future release

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