z/OS MVS Programming: Extended Addressability Guide
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Managing hiperspace storage

z/OS MVS Programming: Extended Addressability Guide
SA23-1394-00

Managing storage in hiperspaces differs from managing storage in address spaces. Keep the following advisory notes in mind:
  • When you create a hiperspace, request a maximum size large enough to handle your application's needs and, optionally, an initial size large enough to meet its immediate needs.
  • You are responsible for keeping track of hiperspace storage. You cannot use the system services, such as the STORAGE, GETMAIN, FREEMAIN, or CPOOL macros, or the callable cell pool services to manage this area.
  • If you are not going to use an area of a hiperspace again, release that area to free the resources that back the area.
  • When you are finished using a hiperspace, delete it.

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