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Cheryl Watson’s Tuning Letter 2023 No. 4 Available Now

February 12, 2024frankCheryl's List
Subscribers to Cheryl Watson’s Tuning Letter can find the latest 114-page issue, 2023 No.4, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: Cheryl and Tom's blog post announcing their plans to retire and close the Watson & Walker company and cease publication of Cheryl Watson's Tuning Letter.  This is truly the end of an...
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Cheryl’s Retirement

January 24, 2024frankCheryl's List
By now, I expect all our readers will have heard the news about Cheryl and Tom retiring.  Of course, Cheryl’s ‘We’re Retiring’ blog post thanked everyone for all the friendship and support they’ve given her over the years, but she didn’t say anything about the thanks we all owe her.  So I’m going to take...
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We’re Retiring!

January 22, 2024frankCheryl's List
Dear Watson & Walker customers and friends, We have some really big news - at the end of 2024 we’re retiring and shutting down our business and the Tuning Letter. Tom and I would like to thank you all for being such fantastic customers and friends for the past many years. We especially want to...
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Cheryl Watson’s Tuning Letter 2023 No. 3 Available Now

November 20, 2023frankCheryl's List
Subscribers to Cheryl Watson’s Tuning Letter can find the latest 114-page issue, 2023 No.3, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: Our Recovery at Scale article in Tuning Letter 2023 No. 2 caused quite a stir, with numerous readers commenting that it made them aware of challenges they didn't even know...
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W&W Guide to SHARE New Orleans 2023 (Part 2)

August 17, 2023frankCheryl's List
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 –...
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W&W Guide to SHARE New Orleans 2023 (Part 1)

August 13, 2023frankCheryl's List
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...
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Cheryl Watson’s Tuning Letter 2023 No. 2 Available Now

August 10, 2023frankCheryl's List
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...
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2023 Watson & Walker CPU Chart Updated for Latest z16 Models

May 23, 2023frankCheryl's ListCapacity, Cheryl Watson, CPU Chart, MIPS, MSUs, performance, software costs, Watson & Walker, z/OS, z16
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...
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Cheryl Watson’s Tuning Letter 2023 No. 1 Now Available

May 18, 2023frankCheryl's ListAI, Erase-on-Scratch Sort Accelerator, UNMAP, WLM, z/OS 3.1, z16 A02, z16 AGZ
Subscribers to Cheryl Watson’s Tuning Letter can find the latest 119-page issue, 2023 No.1, on our publications website (https://watsonwalkerpublications.com/). In this issue, you will find the following articles: Our review of IBM's z/OS 3.1 Preview Announcement.  The first part of this article, What’s New in z/OS – 3.1 Preview, focuses on the announced changes to the MVS core...
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Winter 2023 SHARE Conference Is on Next Week

March 1, 2023frankCheryl's ListAI, Cheryl Watson, Frank Kyne, SHARE, WLM, z/OS
The 2023 Winter SHARE conference will be held in the Atlanta Hyatt Regency hotel next week.  This is an abbreviated conference (3 full days - Monday to Wednesday), however there are more sessions on Sunday than normal, so if you are attending check out the agenda to see if any of those Sunday sessions would...
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