Cheryl Watson’s Tuning Letter

2012 Tuning Letters

Access the 2012 Tuning Letter Downloads

No. 6 (39 pages)

Management Summary
Exploiting z/OS – Part 2
  • Introduction
  • zIIPs & zAAPs
  • zFS
  • zHPF
What’s New?
  • IBM 5 in 5
  • z/OSMF Enhancements
z/OS 101
  • zIIP Experiences
User Experiences
  • Java Compiler Improvements
  • Compiler Enhancements
  • Health Checker
  • Security & Integrity APARs
News
  • New Function APARs
  • SMF 
  • Information APARs
  • Miscellaneous APARs
  • ATS News
  • Publications 

No. 5 (41 pages)

Management Summary
  • Passing the Baton
  • What’s New in SMF?
  • IOPs – the ‘Shrinking Violets’ of I/O Processing
  • User Experiences and Tips
  • News You Can Use
Note About zEC12
Exploiting z/OS – Part 1
  • Introduction 
  • IBM Health Checker 
  • HyperPAV 
  • HiperDispatch 
Update on I/O Measurements
  • Introduction 
  • I/O Interrupt Delay Time 
  • zEC12 Enhancement 
  • I/O Response Time Review 
  • References 
z/OS 101
  • I/O Priority 
News
  • New Function APARs 
  • SMF APARs 
  • Information APARs 30 Miscellaneous APARs
  • ATS News 
  • Publications 
Cheryl’s List Blog Posts
  • Blog Entries

No. 4 (52 pages)

Management Summary
Cheryl’s LAST Hot Flashes #28
  • Two-year Release
  • IBM Education Assistant
  • At This SHARE
Nuggets From SHARE
  • z/OSMF Enhancements
  • Important Sessions
Service Levels – Part 5
  • Other Types of SLAs
What’s New?
  • zEC12 Processors
  • Other Announcements
User Experiences
  • PARMLIB Recommendation
  • Training Courses
zEC12 Processors
  • zEC12 Models & Analysis
  • August 2012 LSPRs 
News
  • Red Alert
  • New Function APARs
  • SMF APARs
  • Information APARs
  • Miscellaneous APARs
  • ATS News
  • Publications 
Cheryl’s List Blog Posts

No. 3 (42 pages)

Management Summary
z/OS 101
  • z/OS Dispatcher
User Experiences
  • IPCS Undocumented Functions
  • RSM Problem
  • Service Definition Coefficients
  • WLM Recommendations
Service Levels – Part 4 – CICS & IMS
  • Defining CICS
  • Measurements
  • CICS Considerations
  • Response Time Goals
  • Load
  • Availability
  • Quality
  • Setting SLOs
  • IMS
News
  • New Function APARs
  • SMF APARs
  • Information APARs
  • HIPER APARs
  • ATS News
  • Publications 
Cheryl’s List Blog Posts

No. 2 (57 pages)

Management Summary
Notes From SHARE
  • Hot Flashes #57
  • Highlights
User Experiences
  • CA Reclaim Experience
  • What’s an Appliance? 
  • Feedback on Part 2 – TSO
Service Levels – Part 3 – Batch
  • Turnaround Overview
  • Turnaround Challenges
  • Turnaround Options
  • Availability
  • Load
  • Quality
z/OS 101
  • Multi-Period Batch
What’s New?
  • New SHARE Website
  • New z/OS Version
News
  • New Function APARs
  • SMF APARs
  • Information APARs
  • Miscellaneous APARs
  • ATS News
  • Publications 
Cheryl’s List Blog Posts

No. 1 (41 pages)

Management Summary
Focus: WebSphere Message Broker
  • Introduction
  • WMB Overview
  • Runtime in z/OS
  • Measuring WMB From Outside 
  • Measuring WMB From Inside
  • SMF Type 117s
  • Using SMF Measurements
User Experiences
  • ROT for Page Fault Rate
  • WMB Response Time
  • WebSphere MQ Analysis
  • DB2 Analytics
  • Webcasts
  • CPU MF Update
  • CA Reclaim Update
Service Levels – Part 2 – TSO
  • Basic Measurements
  • Variances
  • Response Time Goals
  • Load
  • Setting TSO SLOs
News
  • New Function APARs
  • SMF APARs
  • Information APARs
  • Miscellaneous APAR
  • ATS News
  • Publications 
Cheryl’s List Blog Posts
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