[EMAIL PROTECTED] wrote:

Hello List,

I just stumbled across this statement concerning z/OS 1.8 and GRS.

"A new programming interface for GRS that is designed to allow authorized
programs to set their own concurrent enqueue (ENQ) limits within their
address spaces. "


This is actually one of two GRS items for z/OS R8. This one addresses the limit on the number of ENQs within an address space. The other one is to move star-mode QCB and QCBS control blocks above the bar to address system-wide limits on the number of ENQs.

Can anyone shed some light as to why you would need this?

Simple: Bigger systems support larger subsystems and applications, which can need to serialize more resources, and therefore need more ENQs.

BTW. Is there a current concurrent limit for an address space.
<snip>

Sam answered this one pretty comprehensively.

--
John Eells
z/OS Technical Marketing
IBM Poughkeepsie
[EMAIL PROTECTED]

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