Manuale UtenteSommarioFront Cover1Table of Contents3Special Notices9Purpose of this Document12Chapter 1. Introduction13Chapter 2. iSeries and AS/400 RISC Server Model Performance Behavior152.1 Overview152.2 Server Model Behavior172.3 Server Model Differences202.4 Performance Highlights of Model 7xx Servers212.5 Performance Highlights of Model 170 Servers232.6 Performance Highlights of Custom Server Models242.7 Additional Server Considerations242.8 Interactive Utilization252.9 Server Dynamic Tuning (SDT)262.10 Managing Interactive Capacity292.11 Migration from Traditional Models322.12 Upgrade Considerations for Interactive Capacity342.13 iSeries for Domino and Dedicated Server for Domino Performance Behavior35Chapter 3. Batch Performance393.1 Effect of CPU Speed on Batch393.2 Effect of DASD Type on Batch393.3 Tuning Parameters for Batch40Chapter 4. DB2 for i5/OS Performance424.1 New for i5/OS V6R1424.2 DB2 i5/OS V5R4 Highlights444.3 i5/OS V5R3 Highlights464.4 V5R2 Highlights - Introduction of the SQL Query Engine494.5 Indexing524.6 DB2 Symmetric Multiprocessing feature534.7 DB2 for i5/OS Memory Sharing Considerations534.8 Journaling and Commitment Control544.9 DB2 Multisystem for i5/OS564.10 Referential Integrity584.11 Triggers584.12 Variable Length Fields594.13 Reuse Deleted Record Space614.14 Performance References for DB262Chapter 5. Communications Performance645.1 System i Ethernet Solutions655.2 Communication Performance Test Environment665.3 Communication and Storage observations675.4 TCP/IP non-secure performance685.5 TCP/IP Secure Performance695.6 Performance Observations and Tips725.7 APPC, ICF, CPI-C, and Anynet745.8 HPR and Enterprise extender considerations765.9 Additional Information77Chapter 6. Web Server and WebSphere Performance786.1 HTTP Server (powered by Apache)796.2 PHP - Zend Core for i886.3 WebSphere Application Server936.4 IBM WebFacing1076.5 WebSphere Host Access Transformation Services (HATS)1176.6 System Application Server Instance1196.7 WebSphere Portal1216.8 WebSphere Commerce1216.9 WebSphere Commerce Payments1226.10 Connect for iSeries122Chapter 7. Java Performance1257.1 Introduction1257.2 What’s new in V6R11257.3 IBM Technology for Java (32-bit and 64-bit)1267.4 Classic VM (64-bit)1287.5 Determining Which JVM to Use1327.6 Capacity Planning1347.7 Java Performance – Tips and Techniques135Chapter 8. Cryptography Performance1428.1 System i Cryptographic Solutions1428.2 Cryptography Performance Test Environment1438.3 Software Cryptographic API Performance1448.4 Hardware Cryptographic API Performance1458.5 Cryptography Observations, Tips and Recommendations1478.6 Additional Information148Chapter 9. iSeries NetServer File Serving Performance1499.1 iSeries NetServer File Serving Performance149Chapter 10. DB2 for i5/OS JDBC and ODBC Performance15210.1 DB2 for i5/OS access with JDBC15210.2 DB2 for i5/OS access with ODBC153Chapter 11. Domino on i15711.1 Domino Workload Descriptions15811.2 Domino 815911.3 Domino 715911.4 Domino 616011.5 Response Time and Megahertz relationship16211.6 Collaboration Edition and Domino Edition offerings16311.7 Performance Tips / Techniques16411.8 Domino Web Access16711.9 Domino Subsystem Tuning16711.10 Performance Monitoring Statistics16811.11 Main Storage Options16811.12 Sizing Domino on System i17111.13 LPAR and Partial Processor Considerations17211.14 System i NotesBench Audits and Benchmarks173Chapter 12. WebSphere MQ for iSeries17412.1 Introduction17412.2 Performance Improvements for WebSphere MQ V5.3 CSD617412.3 Test Description and Results17512.4 Conclusions, Recommendations and Tips175Chapter 13. Linux on iSeries Performance17713.1 Summary17713.2 Basic Requirements -- Where Linux Runs17713.3 Linux on iSeries Technical Overview17813.4 Basic Configuration and Performance Questions18013.5 General Performance Information and Results18113.6 Value of Virtual LAN and Virtual Disk18413.7 DB2 UDB for Linux on iSeries18513.8 Linux on iSeries and IBM eServer Workload Estimator18613.9 Top Tips for Linux on iSeries Performance186Chapter 14. DASD Performance19014.1 Internal (Native) Attachment.19014.2 New in iV5R4M520514.3 New in iV6R1M020814.4 SAN - Storage Area Network (External)21414.5 iV6R1M0 -- VIOS and IVM Considerations21514.6 IBM i operating system 5.4 Virtual SCSI Performance231Chapter 15. Save/Restore Performance24315.1 Supported Backup Device Rates24315.2 Save Command Parameters that Affect Performance24415.3 Workloads24515.4 Comparing Performance Data24615.5 Lower Performing Backup Devices24715.6 Medium & High Performing Backup Devices24715.7 Ultra High Performing Backup Devices24715.8 The Use of Multiple Backup Devices24815.9 Parallel and Concurrent Library Measurements24915.10 Number of Processors Affect Performance25315.11 DASD and Backup Devices Sharing a Tower25415.12 Virtual Tape25515.13 Parallel Virtual Tapes25715.14 Concurrent Virtual Tapes25815.15 Save and Restore Scaling using a Virtual Tape Drive.25915.16 Save and Restore Scaling using 571E IOAs and U320 15K DASD units to a 3580Ultrium 3 Tape Drive.26015.17 High-End Tape Placement on System i26215.18 BRMS-Based Save/Restore Software Encryption and DASD-Based ASP Encryption26315.19 5XX Tape Device Rates26515.20 5XX Tape Device Rates with 571E & 571F Storage IOAs and 4327 (U320) Disk Units26715.21 5XX DVD RAM and Optical Library26815.22 Software Compression26915.23 9406-MMA DVD RAM27015.24 9406-MMA 576B IOPLess IOA27115.25 What’s New and Tips on Performance272Chapter 16 IPL Performance27316.1 IPL Performance Considerations27316.2 IPL Test Description27316.3 9406-MMA System Hardware Information27416.4 9406-MMA IPL Performance Measurements (Normal)27516.5 9406-MMA IPL Performance Measurements (Abnormal)27516.6 NOTES on MSD27616.7 5XX System Hardware Information27716.8 5XX IPL Performance Measurements (Normal)27816.9 5XX IPL Performance Measurements (Abnormal)27816.10 5XX IOP vs IOPLess effects on IPL Performance (Normal)27916.11 IPL Tips279Chapter 17. Integrated BladeCenter and System x Performance28017.1 Introduction28017.2 Effects of Windows and Linux loads on the host system28117.3 System i memory rules of thumb for IXS/IXA and iSCSI attached servers.28517.4 Disk I/O CPU Cost28617.5 Disk I/O Throughput28817.6 Virtual Ethernet CPU Cost and Capacities28917.7 File Level Backup Performance29117.8 Summary292Chapter 18. Logical Partitioning (LPAR)29418.1 Introduction29418.2 Considerations29518.3 Performance on a 12-way system29618.4 LPAR Measurements29918.5 Summary300Chapter 19. Miscellaneous Performance Information30119.1 Public Benchmarks (TPC-C, SAP, NotesBench, SPECjbb2000, VolanoMark)30119.2 Dynamic Priority Scheduling30319.3 Main Storage Sizing Guidelines30619.4 Memory Tuning Using the QPFRADJ System Value30619.5 Additional Memory Tuning Techniques30719.6 User Pool Faulting Guidelines30819.7 AS/400 NetFinity Capacity Planning310Chapter 20. General Performance Tips and Techniques31320.1 Adjusting Your Performance Tuning for Threads31320.2 General Performance Guidelines -- Effects of Compilation31520.3 How to Design for Minimum Main Storage Use (especially with Java, C, C++)31620.4 Hardware Multi-threading (HMT)32120.5 POWER6 520 Memory Considerations32320.6 Aligning Floating Point Data on Power6324Chapter 21. High Availability Performance32621.1 Switchable IASP’s32621.2 Geographic Mirroring328Chapter 22. IBM Systems Workload Estimator33322.1 Overview33322.2 Merging PM for System i data into the Estimator33422.3 Estimator Access33422.4 What the Estimator is Not334Appendix A. CPW and CIW Descriptions336A.1 Commercial Processing Workload - CPW336A.2 Compute Intensive Workload - CIW338Appendix B. System i Sizing and Performance Data Collection Tools340B.1 Performance Data Collection Services341B.2 Batch Modeling Tool (BCHMDL).342Appendix C. CPW and MCU Relative Performance Values for System i344C.1 V6R1 Additions (October 2008)345C.2 V6R1 Additions (August 2008)346C.3 V6R1 Additions (April 2008)346C.4 V6R1 Additions (January 2008)347C.5 V5R4 Additions (July 2007)348C.6 V5R4 Additions (January/May/August 2006 and January/April 2007)348C.7 V5R3 Additions (May, July, August, October 2004, July 2005)350C.8 V5R2 Additions (February, May, July 2003)352C.9 V5R2 Additions353C.10 V5R1 Additions354C.11 V4R5 Additions359C.12 V4R4 Additions361C.13 AS/400e Model Sxx Servers364C.14 AS/400e Custom Servers364C.15 AS/400 Advanced Servers364C.16 AS/400e Custom Application Server Model SB1365C.17 AS/400 Models 4xx, 5xx and 6xx Systems366C.18 AS/400 CISC Model Capacities367Dimensioni: 1,32 MBPagine: 368Language: EnglishApri il manuale
