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Watson & Walker, Inc.
Cheryl Watson has been using and explaining mainframe operating systems
since 1965. We at Watson & Walker, Inc. offer practical mainframe performance
and measurement advice. Through our paid electronic publication Cheryl
Watson's Tuning Letter, which comes out six times a year, we assist
system programmers, capacity planners and performance analysts world wide
using the IBM z/OS (previously the OS/390 or MVS) operating system. Our
goal is to provide vendor-independent and very practical assistance and
training, keeping our customers up-to-date and saving them valuable time,
money and resources. We also offer two software products, BoxScore and
GoalTender.
Please review all our offerings below, and while you're at it sign up
for our free "Cheryl's
List", a periodic emailing which contains such things as notices of
publication dates, brief summaries of recent newsletters, news of software
releases, and similar information.
RECENT
EVENTS
Cheryl
Watson's Tuning Letter 2011 No. 6 was emailed to active subscribers
on December 29, 2011.
The
2011 DVD-ROM, which
contains all material published from 1991 through 2010, was mailed to Tuning
Letter subscribers on February 9, 2011.
The
July 2011 System z CPU
Charts were emailed to electronic subscribers on July 22, 2011.
The latest release of BoxScore
is V2R2. For more information or to request an update, please email support
at watsonwalker.com.
The latest release of GoalTender
is V1R1. For more information or to request an update, please email support
at watsonwalker.com.
The latest Cheryl's List was emailed on January
12, 2012. To view any previous Cheryl's List, go to Archives.
To register to receive Cheryl's List, sign up here
. It's free.
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Cheryl
Watson's
GoalTender is our latest software offering.
Cheryl Watson's GoalTender analyzes your Workload Manager service definitions
and SMF data and provides Cheryl's recommendations on how to best tune
your policies and your sysplex. Click here
to read about GoalTender.
Cheryl
Watson's
BoxScore is our set of SAS programs which show
you the difference in CPU speed and CPU capacity after a hardware change,
a software change, a change in LPAR configuration, or a tuning change.
For instance, we identify the stable job steps or transactions that most
benefited from the change and also identify the job steps or transactions
that suffered the most (or benefited the least). Click here
to find out more.
Cheryl
Watson's Tuning Letter
Published since 1991, our Tuning Letter is
now available via DVD-ROM and EMAIL. You
receive every past issue of Cheryl Watson's TUNING Letter, plus a year's
subscription (six issues) - all in electronic format, delivered via email
and fully searchable. Includes Cheryl
Watson's z/OS and OS/390 CPU Charts. Click
here
to find out more.
Articles
and Presentations
We've placed some important articles and presentations
on our Web pages, and we'll add to them from time to time. Check back often!
Cheryl's
List
TUNING Tips and updates via email!
Click
here for contact information
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