Parallel Sysplex and z/OS Performance Tuning

- An EPS Seminar -

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Seminar Abstract and Outline

Audience:

This 4-1/2-day seminar is for any performance analyst, capacity planner, or systems programmer responsible for performance measuring, monitoring, and tuning IBM's z/OS systems and sysplexes.

Please do not hesitate to contact Peter Enrico if you have any questions regarding this seminar or others.

A Week of Reviewing Your Own Data!

Prior to class we instruct you on what data to bring to class from your own systems. Then, while in class, you will also be spending a week doing an actual Sysplex and z/OS system performance Health Check® using the data you supplied. So if you have not done a Sysplex Health Check® in a while, or have some performance nagging questions, this is a perfect opportunity for combined instruction, time doing analysis, and an opportunity to get input and recommendations from a leading zArchitecture and Sysplex performance expert – Peter Enrico.

The following information can be found on this page:
Dates and Locations
Instructor
Seminar Abstract
This seminar is for you...
Prerequisites
Seminar Highlights
Seminar Objectives
Seminar Class Participation
Seminar Outline

Seminar Instructor:

Peter Enrico
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Seminar Abstract:

IBM's z/Architecture platform continues to evolve at a rapid pace. It can be a full time effort just to keep current with the latest technologies, performance management techniques and measurements. This is especially true with the most recent 'z' announcements. Like our other classes, students will spend not just a week learning, but also a week analyzing their own data.

Parallel Sysplex is an important topic in this seminar. After a review of the basic concepts of XCF, parallel Sysplex and data sharing, attendees will learn about the latest coupling facility configuration options and data sharing exploiters. Attendees will also learn to effectively measure, monitor, and tune coupling facilities and structures. During the class exercises each attendee will analyze their own XCF and coupling facility data.

Other areas of instruction and analysis will include advanced processor performance, and I/O analysis from the workload point-of-view.

After attending this seminar you can return to work, roll up your sleeves, and start to effectively measure, monitor, and tune your z/OS system, with extra emphasis on parallel Sysplex.

During this performance seminar Peter will also help you to make sense of the most recent 'z' performance related announcements that, as performance analysts, you need to know to get the most out of your environment.

And remember... as with all our performance seminars, during class you will be analyzing your own data during the class exercises. Peter will also provide you real-time feedback. So please remember to think of this class not just as a week of instruction, but also as a week of doing a real performance analysis.

After attending this seminar you can return to work, roll up your sleeves, and start to effectively measure, monitor, and tune your z/OS system, with extra emphasis on parallel Sysplex.

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A Week of Reviewing Your Own Data!

Prior to class we instruct you on what data to bring to class from your own systems.. Then, while in class, you will also be spending a week doing an actually basic system performance basic Health Check® using the data you supplied. So if you have not done a basic Health Check(r) in a while, or have some performance nagging questions, this is a perfect opportunity for combined instruction, time doing analysis, and an opportunity to get input and recommendations from a leading zArchitecture performance expert – Peter Enrico.

This seminar is for you…

if you want a working knowledge of the latest z/OS, z/Architecture, zSeries, z-processors, WLM, and parallel Sysplex announcements and technologies.
if you're the one concerned with or interested in the latest parallel sysplex and coupling facility performance management information.
if terms like zIIPs, zAAPs, HiperDispatch, and 4TB peak your interest.
if you're the one responsible for ensuring the most effective WLM goals are in place.

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Prerequisites:

A basic understanding of z/OS, RMF, and parallel sysplex is assumed, although a brief introductory level set will be done at the start.
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Seminar Highlights:

Parallel Sysplex measurement analysis and tuning
Coupling facility and structure measurement analysis and tuning
Measuring the host effect of a Sysplex (i.e. what is parallel Sysplex costing you in CPU?)
HiperDispatch
zIIPs, zAAP, and CPs - including measuring a product's zIIP exploitation 'generosity factor'
LPAR, z/OS, and workload processor measurement tuning and analysis
I/O analysis from the workload point-of-view

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Seminar Objectives:

Processor, Storage, and Parallel Sysplex Performance

Although introduced in the mid-1990s, parallel Sysplex and data sharing are still a driving force at many installations, helping manage the ever increasing z/OS workload growth. As these continuously available application and database workloads grow, so do the parallel Sysplexes that provide the underlying infrastructure.

If you are already running a parallel Sysplex or are considering one, this portion of the class provides you with the latest performance monitoring and tuning information.

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Class Participation

During this class you will analyze your own data from your Sysplex and Parallel Sysplex environment. Prior to class you will be requested to send Peter a set of performance measurements. Peter will prepare your data to help ensure your active analysis during the entire week of the class. Peter will available for one-on-one discussions before class, during breaks, and after class. This class is a productive week of doing as well as learning.

Performance measurements, analysis, and tuning considerations are discussed throughout. A key strength of this seminar is that Peter does not just teach tuning recommendations, but why each recommendation is exists. Class materials have extensive notes for later reference.

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Seminar Outline:

z/OS Performance Overview

Diagnosing a performance problem: The First Steps
A top-down approach to z/OS measurement, monitoring, and tuning

Parallel Sysplex, CF, and Data Sharing

Basic Sysplex

Fundamentals of a basic Sysplex configuration
Basic Sysplex and XCF performance sensitivity points
XCF analysis and tuning considerations
In-class analysis of XCF performance measurements using your own SMF data

Parallel Sysplex

Fundamentals of a Parallel Sysplex configuration
Coupling facility and structure technology review and update
Review of coupling facility and data sharing exploiters

Data Sharing
Multi-system Management
Session/Transaction/Job Management

Understanding coupling facility performance measurements
Coupling facility performance analysis and tuning considerations
Coupling facility structure analysis and tuning

List structures - un-serialized
List structures - serialized
Lock structures
Cache structures
DB2 Group Buffer Pools and Cache structures

Measurement and Tuning the z/OS System Logger
In-class analysis of coupling facility and structure performance measurements using your own SMF data

z/OS System Performance

A fresh review of your IEAOPTxx member of parmlib

z/OS Processor Performance

Throughout the seminar - Examining your own system and processor performance data

Processor and LPAR updates summaries
System and workload processor analysis including zIIPs and zAAPs
Understanding and measuring HiperDisptach
SMF 113 record and processor instrumentation

Analyzing and tuning processor and LPAR activity

Processor types – CP, zIIP, zAAP, ICF, IFL, and SAP
LPAR configuration and performance sensitivity points
Understanding and using LPAR and z/OS processor performance measurements
LPAR performance and tuning considerations
In-class analysis of processor performance measurements using your own SMF data

z/OS I/O Analysis from the Workload Point-of-View

Measuring and analyzing Workload I/O performance

I/O analysis at the workload level
I/O analysis at the address space level (including Batch)
I/O analysis at the file level
In-class analysis of storage measurements using your own SMF data

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