Re: WRKSHRPOOL paging *calc or *fixed recommendations

On Feb 7, 2020, at 8:35 PM, Steinmetz, Paul via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

Jim,

I don't think so.
Here's a recent doc regarding *CALC (Expert Cache).

People have different views on performance adjusting.
I run with performance adjuster on, to allow nightly batch jobs to allocate more memory.
During the day, allocated back to interactive.


Document number:
638945

Modified date:
18 December 2019

https://www.ibm.com/support/pages/separating-batch-work-base-0

Shared Pool

A shared pool is a pool in which multiple subsystems can run jobs. The advantage of shared pools is the flexibility of sharing memory between pools if it is not being used. System value QPFRADJ adjusts memory to maximize resources on a dynamic system. Shared pools can also use Expert Cache by setting the paging option on the WRKSYSSTS or WRKSHRPOOL to *CALC.

Paul

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jim Oberholtzer
Sent: Friday, February 07, 2020 8:55 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: WRKSHRPOOL paging *calc or *fixed recommendations

I’d love to know why. For years IBM has been suggesting the opposite. There were some excellent write ups explaining the process that *CALC used some time back.. has something changed?

Jim Oberholtzer
Agile Technology Architects

On Feb 7, 2020, at 1:24 PM, Rob Berendt <rob@xxxxxxxxx> wrote:

IBM Lab services is recommending that *MACHINE and *SPOOL are set to *FIXED while the rest are set to *CALC.
Sound reasonable?

Rob Berendt
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