SAP BW Performance Optimization Guide
(Sprache: Englisch)
Finally, a detailed reference that gives administrators expert instruction to analyze and optimize performance in SAP BW. All the BW basics are covered such as architecture and data modelling, plus the ins and outs of systematic performance analysis, as...
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Produktinformationen zu „SAP BW Performance Optimization Guide “
Finally, a detailed reference that gives administrators expert instruction to analyze and optimize performance in SAP BW. All the BW basics are covered such as architecture and data modelling, plus the ins and outs of systematic performance analysis, as well as volumes of valuable data design tips.
Readers get an in-depth introduction to SAP BW indices, statistics, and database optimizers and learn about the key aspects of reporting performance. Full-length chapters deal with aggregates as well as extraction and loading performance. Plus, of course, the mission-critical topics of compression and InfoCube partitioning are discussed extensively. The depth and breadth of the information in this book, together with practical guidance that you can use right away, gives administrators the tools to analyze and tune BW performance immediately.
Highlights include:
- BW architecture, sizing, and data modeling
- System load analysis
- Indices and database statistics
- Reporting performance: OLAP
- Cache, query monitor and trace,
- BW Reporting Agent, front-end
- performance and network, BEx
- queries and Excel workbooks
- Aggregates
- Compression and partitioning
- Extraction and loading performance: Integration of data sources, data
- flow, communication and transfer
- techniques, Persistent Staging Area,
- performance aspects for load, data
- extraction, and data transformation
- processes
- Update of InfoCubes and ODS objects
Inhaltsverzeichnis zu „SAP BW Performance Optimization Guide “
1. Introduction and Overview 111.1. Structure of the Book 12
1.2. How to Use This Book 14
1.3. Acknowledgements 15
2. Data Warehousing and SAP BW 17
2.1. Introduction to Data Warehousing 17
2.2. Differences Between Operational and Decision Support Systems 20
2.3. Structure of Data Warehousing Systems 21
2.4. Overview of SAP BW 24
3. Basic Principles of the SAP BW Architecture 35
3.1. Software Components of an SAP BW System 35
3.2. Overview of the SAP BW Architecture 38
4. Basic Principles of SAP Memory Configuration 47
4.1. Terminology Definitions 47
4.2. Basic Principles of SAP Memory Management 48
5. SAP BW Sizing 61
5.1. The SAP Sizing Process 62
5.2. Size Categories of SAP BW Systems 63
5.3. Sizing Hard Disk Capacity 64
5.4. CPU Sizing 69
5.5. Memory Sizing 77
5.6. Operation Mode and Load Distribution 84
5.7. SAP Quick Sizer 86
6. The SAP BW Data Model 89
6.1. The Star Schema Data Model 89
6.2. The SAP BW Data Model 91
6.3. Performance-Relevant Modeling Aspects 112
7. Analyzing the Database, Memory, and Hardware 117
7.1. Analyzing the Database 118
7.2. Analyzing the SAP Memory Areas 137
7.3. Analyzing the Hardware 145
7.4. Analyzing the SAP Work Processes 148
7.5. Analyzing User Sessions 152
7.6. Analyzing the Memory Utilization of Users and Sessions 154
8. Analyzing the System Load 155
8.1. Basic Principles and Terms 156
8.2. The Workload Monitor 160
8.3. SAP System Load Analysis 163
8.4. Analysis of SAP BW System Load 164
8.5. Technical Content 181
8.6. Transferring Technical Content 183
9. Indices and Database Statistics 189
9.1. Principles 189
9.2. Structure Types of the Indices 194
9.3. Indexing Schema in SAP BW 199
9.4. Administration of Indices 216
9.5. Database Optimizer 227
9.6. Database Statistics 228
9.7. Administration of Database Statistics 231
10. Reporting Performance 243
10.1. OLAP Processor 243
10.2. OLAP Cache 245
10.3. OLAP Cache Monitor 247
10.4. Query Monitor 260
10.5.
... mehr
Query Trace 273
10.6. SAP BW Reporting Agent 277
10.8. Performance Aspects Relevant to SAP BEx Queries and Excel Workbooks 290
11. Aggregates 301
11.1. Basic Principles 303
11.2. Automatic Creation of Aggregates 319
11.3. Manual Creation of Aggregates 325
11.4. Maintaining Aggregates 332
12. Compression and Partitioning 357
12.1. Compressing InfoCubes 357
12.2. Partitioning InfoCubes 360
13. Extraction and Load Performance 371
13.1. Data Sources and Their Integration 372
13.2. Data Flow in SAP BW 374
13.3. Enabling the Communication Between SAP R/3 and SAP BW 376
13.4. Transfer Techniques 378
13.5. Transfer Methods 379
13.6. Persistent Staging Area 380
13.7. Monitoring the Load Processes 385
13.8. Performance Aspects for Data Extraction 393
13.9. Performance Aspects Relevant to Data Transformation 399
13.10. Performance Aspects Relevant to the Update of InfoCubes 406
13.11. Performance Aspects Relevant to the Update of Standard ODS Objects 411
14. Appendix 417
14.1. Transparent Tables of SAP BW Statistics 417
14.2. Job Prefixes in SAP BW 421
14.3. Transactions in the SAP BW System 422
14.4. Transactions Relevant to BW in the SAP R/3 System 426
14.5. Processing Steps and Calling Programs in the RSMO Monitor 426
14.6. SAP R/3 and BW System Tables 428
14.7. SAP Notes 430
14.8. SAP Online Resources 432
14.9. Optimizing the Performance of Workbooks Containing Excel Formulas 433
- The Author 439
- Index 441
10.6. SAP BW Reporting Agent 277
10.8. Performance Aspects Relevant to SAP BEx Queries and Excel Workbooks 290
11. Aggregates 301
11.1. Basic Principles 303
11.2. Automatic Creation of Aggregates 319
11.3. Manual Creation of Aggregates 325
11.4. Maintaining Aggregates 332
12. Compression and Partitioning 357
12.1. Compressing InfoCubes 357
12.2. Partitioning InfoCubes 360
13. Extraction and Load Performance 371
13.1. Data Sources and Their Integration 372
13.2. Data Flow in SAP BW 374
13.3. Enabling the Communication Between SAP R/3 and SAP BW 376
13.4. Transfer Techniques 378
13.5. Transfer Methods 379
13.6. Persistent Staging Area 380
13.7. Monitoring the Load Processes 385
13.8. Performance Aspects for Data Extraction 393
13.9. Performance Aspects Relevant to Data Transformation 399
13.10. Performance Aspects Relevant to the Update of InfoCubes 406
13.11. Performance Aspects Relevant to the Update of Standard ODS Objects 411
14. Appendix 417
14.1. Transparent Tables of SAP BW Statistics 417
14.2. Job Prefixes in SAP BW 421
14.3. Transactions in the SAP BW System 422
14.4. Transactions Relevant to BW in the SAP R/3 System 426
14.5. Processing Steps and Calling Programs in the RSMO Monitor 426
14.6. SAP R/3 and BW System Tables 428
14.7. SAP Notes 430
14.8. SAP Online Resources 432
14.9. Optimizing the Performance of Workbooks Containing Excel Formulas 433
- The Author 439
- Index 441
... weniger
Autoren-Porträt von Thomas Schröder
Thomas Schröder works as a Managing Consultant in the department of Finance Transformation and Application Consulting at Capgemini Germany. He is a renowned specialist with many years of experience in the design and implementation of Business Intelligence solutions. He focuses on Business Intelligence strategy, Business Analysis, Data Modelling, Data Warehouse Architecture, and SAP Business Information Warehouse.
Bibliographische Angaben
- Autor: Thomas Schröder
- 2006, 447 Seiten, Maße: 17,9 x 24,7 cm, Gebunden, Englisch
- Verlag: Galileo Press GmbH
- ISBN-10: 1592290809
- ISBN-13: 9781592290802
Sprache:
Englisch
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