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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.

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Our Latest Cheryl’s List Posts

Cheryl Watson’s May 2022 CPU Chart Now Available

The latest edition of Cheryl's CPU Chart is now available to subscribers on our publications website.  This update adds the information for the 317 z16 models to the existing database that reaches all the way back to the z900 models (a total of 2654 IBM mainframe models).  In addition to the spreadsheet that contains over...
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Cheryl Watson’s Tuning Letter 2022 No. 1 Now Available

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 140-page issue, 2022 No. 1, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: A 52-page ‘introduction’ to IBMs latest mainframe, the z16.  The z16 was announced on April 5th, and will be generally available on May 31st.  We expect that many subscribers are...
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Winter 2022 SHARE Conference

Hopefully all our readers are aware that the first face-to-face SHARE conference in two years is taking place in Dallas, Texas next week.  Because this is the first transition back to a live format, this will be a truncated conference, in terms of its duration and the number of tracks.  Rather than the normal five...
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Cheryl Watson’s Tuning Letter 2021 No. 4 Now Available

Subscribers to Cheryl Watson’s Tuning Letter can find the latest 146-page issue, 2021 No. 4, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: 2021 ended with the world’s media full of stories about the ‘Log4j vulnerability’, and how it was possibly the largest ever security exposure. Log4j is an open source...
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