Hi

Thank you, I will read her posts, but reading now it only works for SMS managed PDSE.
My PDSE's are not SMS managed.
D SMS,PDSE1,HSPSTATS says that  all my dataset 's are cache eligible.

On 7/1/2011 4:11 PM, Rob Scott wrote:
Miklos

Barbara Nitz has explored this area in great detail in various threads over the 
last few years.

Check the archives and read her posts - they are excellent.


Rob Scott
Lead Developer
Rocket Software
275 Grove Street * Newton, MA 02466-2272 * USA
Tel: +1.617.614.2305
Email: [email protected]
Web: www.rocketsoftware.com


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of 
Miklos Szigetvari
Sent: 01 July 2011 14:53
To: [email protected]
Subject: PDSE cache

Hi

Started in zOS 1.11 the SMS PDSE1 address space with large cache, 
buffer_beyond_close  etc.
For my big surprise no any change in a program runtime, which is intensively 
using modules from PDSE libraries.

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