This book shows you how to optimize the performance of your mySAP.com solution and to ensure that it operates as cost-effectively as possible. It teaches you how to systematically identify and analyze performance problems, to implement appropriate tuning measures, and to check the effectiveness of these measures. Performance optimization covers both technical optimization and the monitoring of applications. This new edition reflects current trends in IT and takes into account the special requirements of new mySAP.com solutions: SAP Basis 4.6, Service Level Management, Internet Connection,…mehr
This book shows you how to optimize the performance of your mySAP.com solution and to ensure that it operates as cost-effectively as possible. It teaches you how to systematically identify and analyze performance problems, to implement appropriate tuning measures, and to check the effectiveness of these measures. Performance optimization covers both technical optimization and the monitoring of applications. This new edition reflects current trends in IT and takes into account the special requirements of new mySAP.com solutions: SAP Basis 4.6, Service Level Management, Internet Connection, interfaces, and server consolidation. For years SAP has been offering the benefit of their experience in these areas via two remote services: EarlyWatch and GoingLive
Thomas Schneider has been working for SAP since 1996. In the SAP Active Global Support team he is responsible for monitoring issues, performance analysis and hardware sizing.
Inhaltsangabe
Introduction ... 15 ... From SAP R/3 to mySAP.com ... 18 ... About this book ... 21 1. Performance Management of a mySAP.com Solution ... 27 ... mySAP.com Architecture ... 27 ... The Monitoring and Optimization Plan for a mySAP.com Solution ... 35 ... Summary ... 65 2. Monitoring Hardware, Database and SAP Basis ... 69 ... Basic Terms ... 69 ... Monitoring Hardware ... 70 ... Monitoring the Database ... 78 ... Analyzing SAP Memory Management ... 98 ... Analyzing SAP Work Processes ... 107 ... Summary ... 115 3. Central Monitoring and Workload Analysis ... 119 ... The Workload Monitor ... 120 ... Workload Analysis ... 124 ... Performing Workload Analysis ... 132 ... Application Monitor ... 143 ... Summary ... 145 4. Performance Analysis for ABAP-Programs ... 149 ... Single Record Statistics ... 149 ... Performance Trace ... 153 ... Performance analysis with ABAP Trace (Runtime Analysis) ... 162 ... Performance analysis with the ABAP-Debugger ... 166 ... Summary ... 168 5. Workload Distribution ... 171 ... SAP Services ... 171 ... Dynamic User Distribution (Logon-Groups) and Operation Modes ... 178 ... Update Processing ... 182 ... Hardware Sizing ... 188 ... Planning the System Landscape ... 199 ... Summary ... 202 6. Interfaces ... 205 ... The fundamentals of RFC ... 205 ... Interfaces to External Systems ... 210 ... Summary ... 218 7. SAP GUI and Internet Connection ... 221 ... SAP GUI 4.6 ... 221 ... SAP Internet Transaction Server (SAP ITS) ... 229 ... Summary ... 243 8. Memory Management ... 247 ... Basics of Memory Management ... 247 ... Configuring and Monitoring SAP Memory Areas ... 259 ... Summary ... 278 9. SAP Table Buffering ... 281 ... Preliminary Remarks for Chapters 9, 10 and 11 ... 282 ... Fundamentals of Table Buffering ... 283 ... Monitoring SAP Table Buffering ... 293 ... Summary ... 308 10. Locks ... 311 ... Database Locks and SAP enqueues ... 311 ... Monitoring Database Locks ... 314 ... Number Range Buffering ... 319 ... ATP server ... 325 ... Summary ... 331 11. Optimizing SQL Statements ... 333 ... Identifying and Analyzing Expensive SQL Statements ... 333 ... Optimizing SQL Statements through Secondary Indexes ... 339 ... Optimizing SQL Statements in the ABAP Program ... 360 ... Summary and Related Tuning Measures ... 379 Appendix ... Performance Analysis Roadmaps and Checklists ... 385 ... Database Monitors, Buffers, and SQL Execution Plans ... 401 ... Configuration Performance Parameters ... 427 ... Selected Transaction Codes ... 437 ... Review Questions and Answers ... 439 ... Glossary ... 449 ... Informatione Sources ... 459 ... Selected SAP Service Marketplace Notes ... 461 Index ... 465
