Cheryl Watson’s Tuning Letter

Over 8,500 pages of tuning and measurement advice.

The most comprehensive body of practical and impartial z/OS, and MVS tuning and measurement advice ever published!

Tables of Contents

View a complete list of all back issues all the way from 1991 to today.

Sample Issues

To see what we’re talking about, take a look at some Sample Issues in PDF format.

Rate Sheet

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What can Cheryl Watson’s Tuning Letter do for you?

Since January 1991 Cheryl Watson, and since 2014 Frank Kyne, have filled over 8,500 pages with their unique style of practical and impartial z/OS, and MVS tuning and measurement advice. Today over 9000 analysts in fifty countries read Cheryl Watson’s Tuning Letter.

We’ve kept our readers up-to-date with in-depth articles on topics such as Workload Manager, CICS, parallel sysplex, Parmlib members, I/O tuning, how to go about processor upgrades, LPAR management, z/OSMF, software pricing, and capacity planning techniques.  We’ve printed the latest news about new processors, user problems, and important APARs.  We’ve included timely information, such as tips on new manuals, key websites, user Q&As, and our SHARE trip reports.  We even publish a CPU Chart of all the IBM Z processors, showing such data as MIPS by workload and MSUs.  Our readers continue to say we’ve saved them their subscription cost many, many times over.  Every past issue has techniques that are still applicable today.