Effective zSeries performance monitoring using Resource Measurement Facility / Pierre Cassier ... [et al.].

Format:

Book

Author/Creator:

Cassier, Pierre., Author.

Contributor:

International Business Machines Corporation. International Technical Support Organization

Series:

IBM redbooks.

Redbooks

Language:

English

Subjects (All):

Computer networks--Workload--Management.

Computer networks.

Computer systems--Management.

Computer systems.

IBM computers.

z/OS.

Physical Description:

xii, 340 p. : ill.

Edition:

1st ed.

Place of Publication:

Poughkeepsie, N.Y. : IBM Corp., International Technical Support Organization, c2005.

Language Note:

English

Contents:

Front cover

Contents

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Part 1 RMF components

Chapter 1. RMF data gatherers

1.1 Gathering data

1.1.1 Monitors for data gathering

1.1.2 Storing data

1.1.3 Defining measurement options

1.1.4 Using the RMF Sysplex Data Server to access data across the sysplex

1.2 Long term data gathering with Monitor I and Monitor III

1.2.1 Data gathering with Monitor I

1.2.2 Data gathering services with Monitor III

1.3 Snapshot monitoring with Monitor II

1.4 Short term data collection with Monitor III

1.4.1 Common Monitor III report measurements

1.5 RMF Linux data gatherer

Chapter 2. RMF performance data front ends

2.1 The RMF performance management menu

2.2 Monitor II or Monitor III

2.3 Monitor II

2.3.1 Using the Monitor II ISPF session

2.4 Monitor III

2.4.1 Using the Monitor III ISPF session

2.4.2 Generating WTO messages

2.5 Postprocessor

2.5.1 Using the Postprocessor to create reports

2.6 Spreadsheet Reporter

2.6.1 Spreadsheet Reporter concept

2.6.2 Getting started

2.7 RMF Performance Monitoring

2.7.1 Using RMF PM

2.7.2 Troubleshooting

2.8 RMF Web browser interface

2.8.1 Using RMF Web browser interface

2.9 Using RMF application programming interfaces

2.9.1 Calling services ERBDSQRY, ERBDSREC, ERB2XGDS, and ERB3XDRS

Part 2 Setting up and customizing RMF components

Chapter 3. Setup and customization of the traditional favorites

3.1 RMF customization

3.1.1 Basic customization

3.1.2 Advanced RMF configuration

3.2 Monitor I

3.2.1 Relationship to SMF

3.2.2 Monitor I customization considerations

3.2.3 Starting Monitor I

3.3 Monitor II

3.3.1 Customization of the Monitor II background session.

3.3.2 Starting the Monitor II background session

3.4 Monitor III

3.4.1 Customization of the Monitor III gatherer

3.4.2 Monitor III in-storage buffer

3.4.3 Starting the Monitor III gatherer

3.4.4 Using preallocated data sets

3.4.5 Transmitting Monitor III data to another location

3.5 Sysplex Data Server

Chapter 4. Setup and customization of the new RMF facilities

4.1 RMF Spreadsheet Reporter

4.1.1 Prerequisites

4.1.2 Installation

4.1.3 Starting the Spreadsheet Reporter

4.2 RMF Distributed Data Server

4.2.1 Setting up the Distributed Data Server

4.3 RMF Linux data gatherer

4.3.1 Installation

4.3.2 Customization

4.3.3 Start RMF Linux data gatherer

4.4 RMF Performance Monitor

4.4.1 Installing RMF PM under Microsoft Windows

4.4.2 Installing RMF PM under Linux on your workstation

Part 3 Using RMF to answer your performance questions

Chapter 5. Performance analysis

5.1 Defining performance

5.1.1 Service level agreements (SLA)

5.2 Performance analysis overview

5.2.1 Performance management

5.2.2 General performance management metrics

5.2.3 Processor performance metrics

5.2.4 I/O performance and metrics

5.3 z/OS CPU time considerations

5.3.1 Capture ratio

5.3.2 Service definition coefficient (SDC)

5.3.3 z/OS preemptability

5.4 How to measure performance

5.5 Planning system capacity

5.6 Using RMF

5.6.1 Analyzing workload characteristics

5.6.2 Measuring resource utilization by workload

5.7 Workload Management (WLM) highlights

Chapter 6. Using RMF for performance monitoring and problem diagnosis

6.1 RMF approaches to performance management

6.2 Running a performance health check

6.2.1 Health checking focusing on throughput

6.2.2 Checking the processor

6.2.3 I/O Subsystem

6.2.4 Coupling Facility.

6.3 Running problem diagnosis

6.3.1 Monitor III Sysplex Summary report

6.3.2 Monitor III Response Time Distribution report

6.3.3 Monitor III Work Manager Delays report

6.3.4 System Information report

6.3.5 Evaluating virtual storage problems

6.4 Diagnosing Coupling Facility performance

6.4.1 Coupling Facility response time and utilization

6.4.2 Coupling Facility structures

6.4.3 Coupling facility links

6.4.4 Links between Coupling Facilities

6.4.5 XCF signalling resources

6.4.6 Coupling Facility study with the Spreadsheet Reporter

Chapter 7. Monitoring batch workloads using RMF

7.1 Introduction

7.1.1 Summary report as a good starting point

7.2 CPU delay investigation

7.2.1 Using the CPU Activity report

7.2.2 Using Monitor III

7.2.3 Using the Workload Activity report

7.3 I/O delay investigation

7.3.1 Investigating delays

7.3.2 Investigating cache activity

7.3.3 Investigating channel activity

7.3.4 ESS performance features

7.4 Other batch-oriented problems

7.4.1 Duration of performance periods

7.4.2 Capping delays

7.5 Batch performance

7.5.1 Batch window

7.5.2 Exploiting Data-in-Memory

7.5.3 Improving performance using BatchPipes®

7.5.4 VSAM Record Level Sharing (RLS)

7.5.5 WLM batch initiator

Chapter 8. Monitoring transactional workloads using RMF

8.1 Introduction

8.2 Monitoring CICS workload

8.2.1 CICS and WLM

8.2.2 Using the Workload Activity report

8.2.3 Using Monitor III

Chapter 9. Understanding the new RMF reporting capabilities

9.1 Workload Licensing Charges considerations

9.1.1 Defined Capacity

9.1.2 Monitoring Defined Capacity

9.2 Intelligent Resource Director

9.2.1 IRD in action and RMF reports

9.2.2 IRD and capping

9.3 Analyzing crypto performance

9.3.1 Crypto and workload reports.

9.4 zAAP on RMF reports

9.4.1 A sample scenario

9.4.2 Using and Delay samples

9.4.3 RMF reports

9.4.4 zAAP Projection Tool

9.5 Monitoring UNIX System Services (USS) applications

9.5.1 OMVS System Call activity

9.5.2 OMVS Process activity

9.5.3 OMVS Inter-process communication

9.5.4 HFS Global Statistics report

9.5.5 HFS File System Statistics report

9.5.6 OMVS process data report

9.6 Monitoring WebSphere Application Server workload

9.6.1 WebSphere Application Server configuration

9.6.2 Some specific definitions for WebSphere Application Server

9.6.3 WLM Delay Monitoring

9.6.4 Performance monitoring

9.6.5 Performing problem diagnosis

Chapter 10. Using RMF to investigate Linux performance

10.1 Linux

10.1.1 Linux on zSeries

10.1.2 Linux performance metrics

Appendix A. Formulas and laws in performance management

Little's law

Markov's equation

80/20 Rule

80/20 rule and service class periods

Partition's law

Law of diminished returns (LDR)

Principle of locality

Related publications

IBM Redbooks

Other publications

Online resources

How to get IBM Redbooks

Help from IBM

Index

Back cover.

Notes:

"This edition applies to Version 1, Release 6 of z/OS (product number 5694-A01)."

"April 2005."

Includes bibliographical references and index.

OCLC:

61859156