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

• Autore: Dasgupta Tim
• Pubblicazione: [Austin], : IBM International Technical Support Organization, 2002
• Edizione: 2nd ed.
• Descrizione fisica: 1 online resource (368 p.)
• Disciplina: 005.4/32
• Soggetto topico: Electronic data processing personnel - Certification; Operating systems (Computers) - Examinations
• Altri autori: SommerStephen
• Note generali: "December 2002."; The "e" in "eserver" is printed as the symbol for electronic.; "SG24-6184-01."
• Nota di bibliografia: Includes bibliographical references (p. 329-331) and index.
• Nota di contenuto: 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 -- Command summary -- The installp command -- The lslpp command -- The lppchk command -- Quiz -- Answers -- Exercises -- Abbreviations and acronyms -- Related publications -- IBM Redbooks -- Other resources -- Referenced Web sites -- How to get IBM Redbooks -- IBM Redbooks collections -- Index -- Back cover.
• Titolo autorizzato: IBM eserver certification study guide
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910821524403321
• Lo trovi qui: Univ. Federico II
• Serie: IBM redbooks.