Alan, Frank, Tom, Cheryl, Mario photo

Expert z/OS performance and cost reduction advice

Watson & Walker provides expert advice for users of IBM z Systems and the z/OS operating system. Our specialties are cost reduction and system stability. Our clients include system programmers, performance analysts, capacity planners, managers, procurement specialists, DBAs, CICS/IMS/WAS/MQ administrators, application developers/designers, Independent Software Vendors (ISVs), and industry consultants. We have saved our clients millions of dollars, and we are ready to do the same for you.

Put Cheryl Watson, Frank Kyne, and the rest of our team on your side today!

Unbeatable knowledge at your fingertips. Subscribe to the Tuning Letter today!

Cheryl Watson's Tuning Letter
Publications

Publications

Education

Education

Software

Software

Services

Services

Latest News and Upcoming Events.

Fill me in

Free Resources

We occasionally create or come across small utilities or tools which we think everyone should have an opportunity to use.
Free for the taking

Our Latest Cheryl’s List Posts

W&W Guide to SHARE New Orleans 2023 (Part 2)

We are now just over half way through the 2023 Summer SHARE conference. As I expected, my biggest problem is in trying to decide between which of the excellent sessions I will attend – I have a minimum of three competing sessions in most slots.  It is a big help having Mario here with me –...
Read More

W&W Guide to SHARE New Orleans 2023 (Part 1)

The 2023 Summer SHARE conference will be held in the New Orleans Hyatt Regency hotel starting tomorrow.  This is a traditional 5-day conference.  If you are attending, check out the agenda and download the SHARE app for your mobile device. I (Frank) will be co-presenting two sessions: Wednesday, 16:00, Empire C, I will be moderating the ‘Observability...
Read More

Cheryl Watson’s Tuning Letter 2023 No. 2 Available Now

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 112-page issue, 2023 No.2, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: "We considered that by using disk replication and GDPS we were safe. But when I try to answer all the questions you make in the Loss of Volume(s) section I...
Read More

2023 Watson & Walker CPU Chart Updated for Latest z16 Models

The latest edition of Cheryl’s CPU Chart is now available to subscribers on our publications website.  This update adds the information for the 156 z16 A02/AGZ models to the existing database that reaches all the way back to the z900 models (a total of 2810 IBM mainframe models).  In addition to the spreadsheet that contains over 40 attributes...
Read More
Read More

Subscribe to our Cheryl’s List blog

listSign up for Cheryl's List