DB2 for z/OS DM and OS/390 Version 7 selected performance topics

Performance measurements are ongoing during the life of each release of DB2 for OS/390. DB2 for z/OS and OS/390 Version 7 (DB2 V7 throughout this document) has introduced several enhancements in the areas of performance and availability, and other enhancements are currently being added. Most of thes...

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Detalles Bibliográficos
Autor principal: Bruni, Paolo (-)
Otros Autores: Dubois, Florence, Nacamatsu, Claudio
Formato: Libro electrónico
Idioma:Inglés
Publicado: [San Jose, Calif.] : IBM, International Technical Support Organization 2002.
Edición:1st ed
Colección:IBM redbooks.
Materias:
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009627474506719
Tabla de Contenidos:
  • Front cover
  • Contents
  • Figures
  • Tables
  • Examples
  • Notices
  • Trademarks
  • Preface
  • The team that wrote this redbook
  • Become a published author
  • Comments welcome
  • Chapter 1. Introduction
  • 1.1 Evolution of DB2 V7
  • 1.2 Contents of this redbook
  • Chapter 2. FICON
  • 2.1 Description
  • 2.2 Performance measurement environment
  • 2.3 Performance measurement results
  • 2.3.1 DB2 transaction workload
  • 2.3.2 DB2 logging
  • 2.3.3 DB2 queries
  • 2.3.4 DB2 utilities
  • 2.3.5 Summary
  • 2.4 VSAM striping
  • Chapter 3. Enhanced Instrumentation Facility
  • 3.1 DBM1 storage monitoring
  • 3.1.1 z/Architecture and DB2 for z/OS
  • 3.1.2 Storage manager pool statistics
  • 3.1.3 DB2 PM statistics report: DBM1 storage statistics
  • 3.1.4 DB2 PM record trace: storage manager pool summary
  • 3.2 Other new IFCIDs
  • 3.2.1 IFCID 0234
  • 3.2.2 IFCID 0334
  • 3.3 Changed IFCIDs
  • 3.4 DB2 PM workstation interface enhancements
  • 3.4.1 New Workstation Online Monitor functions
  • 3.4.2 The Performance Warehouse function
  • Chapter 4. Java support
  • 4.1 JDBC and SQLJ
  • 4.1.1 JDBC overview
  • 4.1.2 SQLJ overview
  • 4.2 SQLJ versus JDBC
  • 4.2.1 Reasons to use SQLJ
  • 4.2.2 Reasons to use JDBC
  • 4.2.3 SQLJ and JDBC inter-operability
  • 4.3 Enhancements to JDBC/SQLJ driver
  • 4.4 Guidelines for high performance when using JDBC/SQLJ
  • 4.4.1 Design guidelines for applications
  • 4.4.2 Identifying the system levels
  • 4.4.3 Environment tuning
  • 4.5 Analyzing performance
  • 4.6 Performance results
  • 4.6.1 WebSphere Application Server
  • 4.6.2 Summary
  • Chapter 5. CICS interface
  • 5.1 CICS TS V2.2
  • 5.2 Tuning the CICS/DB2 attachment
  • 5.2.1 Architecture
  • 5.2.2 Monitoring
  • 5.2.3 Performance and tuning considerations
  • 5.2.4 Conclusion
  • 5.3 CICS/DB2 attachment in CICS TS V2.2
  • 5.3.1 OTE
  • 5.3.2 Group attach
  • 5.3.3 Usability enhancement.
  • 5.3.4 RMI PURGE enhancement
  • 5.3.5 Other DB2 complementary functions
  • Chapter 6. Real time statistics
  • 6.1 Description
  • 6.2 Enabling RTS on your system
  • 6.3 How real time statistics work
  • 6.3.1 Create real time statistics objects
  • 6.3.2 Set interval for writing statistics
  • 6.3.3 Start the real time statistics database
  • 6.4 Operation considerations
  • 6.4.1 When real time statistics are externalized
  • 6.4.2 When real time statistics are updated
  • 6.4.3 Real time statistics and DB2 utilities
  • 6.4.4 Real time statistics and non-DB2 utilities
  • 6.4.5 Real time statistics in data sharing
  • 6.4.6 Accuracy of the statistics
  • 6.5 DSNACCOR stored procedure
  • 6.6 Performance considerations
  • Chapter 7. DB2 OLAP Server on zSeries
  • 7.1 DB2 OLAP Server introduction
  • 7.2 V1.1 to V7.1 performance comparisons
  • 7.2.1 Measurement environment
  • 7.2.2 Measurement results
  • 7.3 Throughput and scalability measurements
  • 7.3.1 Measurement environment
  • 7.3.2 Measurement results
  • 7.4 Summary
  • Appendix A. Recent performance and availability maintenance
  • A.1 DB2 for OS/390 V5 APARs
  • A.2 DB2 for OS/390 V6 APARs
  • A.3 DB2 for OS/390 V7 APARs
  • A.4 DB2 PM V7
  • A.5 SDK
  • A.6 OS/390 and z/OS APARs
  • Abbreviations and acronyms
  • Related publications
  • IBM Redbooks
  • Other resources
  • Referenced Web sites
  • How to get IBM Redbooks
  • IBM Redbooks collections
  • Index
  • Back cover.