IBM eserver certification study guide : AIX 5L performance and system tuning / [Tim Dasgupta, Stephen Sommer].

Format:

Book

Author/Creator:

Dasgupta, Tim.

Contributor:

Sommer, Stephen.

Series:

IBM redbooks.

Redbooks

Language:

English

Subjects (All):

Electronic data processing personnel--Certification.

Electronic data processing personnel.

Operating systems (Computers)--Examinations--Study guides.

Operating systems (Computers).

AIX (Computer file)--Examinations--Study guides.

AIX (Computer file).

Physical Description:

1 online resource (368 p.)

Edition:

2nd ed.

Place of Publication:

[Austin] : IBM International Technical Support Organization, 2002.

Language Note:

English

Contents:

Front cover

Contents

Figures

Tables

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Chapter 1. Certification overview

1.1 Certification requirements

1.1.1 Required prerequisite

1.1.2 Recommended prerequisite

1.1.3 Information and registration for the certification exam

1.1.4 Core requirements

1.2 Certification education courses

Chapter 2. Performance tuning: Getting started

2.1 Introduction to concepts

2.2 CPU performance overview

2.2.1 The sar command

2.3 The time command

2.3.1 The vmstat command

2.3.2 The ps command

2.3.3 The tprof command

2.3.4 The nice and renice commands

2.3.5 The schedtune command

2.4 Memory performance overview

2.4.1 The vmstat command

2.4.2 The ps command

2.4.3 The lsps command

2.4.4 The svmon command

2.4.5 The vmtune command

2.4.6 The rmss command

2.5 Disk I/O performance overview

2.5.1 The iostat command

2.5.2 The filemon command

2.5.3 The fileplace command

2.5.4 The lslv command

2.6 Network performance overview

2.6.1 The netstat command

2.6.2 The nfsstat command

2.6.3 The netpmon command

2.7 The performance diagnostic tool (PDT)

2.7.1 Installing and enabling PDT

2.8 Service level agreement

2.9 Summary

2.10 Quiz

2.10.1 Answers

Chapter 3. CPU and memory performance monitoring tools

3.1 The sar command

3.1.1 Accounting software

3.1.2 Examples of using the sar command

3.1.3 The sar command summary

3.1.4 The sadc command

3.1.5 The sa1 and sa2 commands

3.2 The vmstat command

3.3 The ps command

3.3.1 Use of the ps command in a CPU usage study

3.3.2 Use of the ps command in a memory usage study

3.4 The tprof command

3.4.1 Using the tprof general report

3.4.2 Using tprof on a program.

3.5 The svmon command

3.5.1 The svmon global report

3.5.2 The svmon user report

3.5.3 The svmon process report

3.5.4 The svmon segment report

3.5.5 The svmon detailed segment report

3.5.6 The svmon command report

3.5.7 The svmon Workload Manager (WLM) class report

3.5.8 The svmon command flags

3.6 The rmss command

3.7 The topas command

3.7.1 Common uses of the topas command

3.8 The emstat command

3.9 The /proc file system

3.10 General performance guidelines

3.11 Quiz

3.11.1 Answers

3.12 Exercises

Chapter 4. Disk I/O performance monitoring tools

4.1 Overview

4.2 The iostat command

4.2.1 Historical disk I/O

4.2.2 Using disk I/O pacing

4.2.3 TTY and CPU utilization report

4.2.4 The iostat command on SMP systems

4.2.5 Disk utilization report

4.3 The lockstat command

4.4 LVM performance analysis using the lslv command

4.4.1 Logical volume attributes

4.4.2 Logical volume fragmentation

4.4.3 Logical volume allocation

4.4.4 Highest LVM performance

4.5 LVM and file system monitoring

4.5.1 The filemon command

4.5.2 Report analysis

4.5.3 Typical AIX system behavior

4.6 File system performance

4.6.1 AIX file system organization

4.6.2 Enhanced journaled file system (JFS2)

4.6.3 Journeled file system (JFS) log management

4.6.4 The fileplace command

4.6.5 File system defragmentation

4.7 General recommendations for I/O performance

4.7.1 Logical volume organization for highest performance

4.7.2 Logical volume striping recommendations

4.7.3 RAID recommendations

4.7.4 File system related performance issues

4.7.5 Paging space related disk performance issues

4.8 Overhead of using performance tools

4.9 Command summary

4.9.1 The filemon command

4.9.2 The fileplace command

4.9.3 The lslv command

4.10 Quiz.

4.10.1 Answers

4.11 Exercises

Chapter 5. Network performance tools

5.1 Overview

5.2 Adapter transmit and receive queue tuning

5.3 Protocols tuning

5.4 Network performance monitoring tools

5.4.1 The vmstat command

5.4.2 The traceroute command

5.4.3 The netstat command

5.4.4 The entstat command

5.4.5 The fddistat command

5.4.6 The tokstat

5.4.7 The atmstat

5.4.8 The netpmon command

5.4.9 The tcpdump and iptrace commands

5.5 Network performance management tools

5.6 Name resolution

5.7 NFS performance tuning

5.7.1 NFS server-side performance

5.7.2 NFS client-side performance

5.7.3 Mount options

5.8 Command summary

5.8.1 The netstat command

5.8.2 The tcpdump command

5.8.3 The iptrace command

5.8.4 The ipreport command

5.9 Quiz

5.9.1 Answers

5.10 Exercises

Chapter 6. Performance management tools

6.1 The AIX scheduler

6.1.1 Priority calculation on AIX versions prior to 4.3.2

6.1.2 Priority calculation on AIX Version 4.3.2 and later

6.2 Multiple run queues with load balancing

6.2.1 Initial load balancing

6.2.2 Idle load balancing

6.2.3 Frequent periodic load balancing

6.2.4 Infrequent periodic load balancing

6.3 Scheduler performance management

6.3.1 The schedtune command

6.3.2 The nice and renice commands

6.4 The bindprocessor command

6.5 The vmtune command

6.6 Workload Manager (WLM)

6.6.1 WLM concepts and architecture

6.6.2 Automatic assignment

6.6.3 Manual assignment

6.6.4 Backward compatibility

6.6.5 Resource sets

6.6.6 Rset registry

6.7 Quiz

6.7.1 Answers

6.8 Exercise

Chapter 7. Performance scenario walkthroughs

7.1 CPU performance scenario

7.1.1 Data collection

7.1.2 Data analysis

7.1.3 Recommendation

7.2 I/O performance scenario

7.2.1 Data collection

7.2.2 Data analysis.

7.2.3 Recommendation

7.3 Additional I/O scenarios

7.3.1 CPU and kernel thread I/O wait bottleneck scenario

7.3.2 I/O distribution bottleneck scenario

7.3.3 Logical volume fragmentation scenario

7.3.4 Monitoring scenario using filemon

7.3.5 Logical volume allocation scenario

7.4 Paging performance scenario

7.4.1 Data collection

7.4.2 Data analysis

7.4.3 Recommendation

Chapter 8. Scenario assessment quiz

8.1 Scenario one

8.1.1 Answers

8.2 Scenario two

8.2.1 Answers

Appendix A. The error log

Overview

Managing the error log

Configuring error log

Clearing the error log

Reading error logs in details

The errpt command output

Formatted output from errpt command

Command summary

The errpt command

Quiz

Answers

Exercises

Appendix B. Installing the performance tools

Tools and filesets

Tools by resource matrix

Performance Toolbox

The installp command

The lslpp command

The lppchk command

Abbreviations and acronyms

Related publications

IBM Redbooks

Other resources

Referenced Web sites

How to get IBM Redbooks

IBM Redbooks collections

Index

Back cover.

Notes:

"December 2002."

The "e" in "eserver" is printed as the symbol for electronic.

"SG24-6184-01."

Includes bibliographical references (p. 329-331) and index.

OCLC:

560312133