Intel 170 Servers, AS/400 RISC Server, 7xx Servers manual

requirements do not take into account the requirement for other web applications, such as customer applications. You should use IBM Systems Workload Estimator (http://www-912.ibm.com/wle/EstimatorServlet)to determine the system requirements for additional web applications.

IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
© Copyright IBM Corp. 2008	Chapter 6 - Web Server and WebSphere	120

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Intel 170 Servers, AS/400 RISC Server, 7xx Servers manual

Contents

January/April/October Toolcat Mkttools GET AS4ADV36 Package Table of Contents Performance Observations and Tips 107117 System Application Server Instance 119 10.2 DB2 for i5/OS access with Odbc 155 157158 11.1 Supported Backup Device Rates 243 196199 200 IPL Performance 17.7 File Level Backup Performance 292 19.6 User Pool Faulting Guidelines 310 19.7284 285 Switchable IASP’s 327 Geographic Mirroring 329 334335 What the Estimator is Not 335 Special Notices Disclaimer Notice Ipds Purpose of this Document Introduction Page Interactive Indicators and Metrics ISeries and AS/400 Risc Server Model Performance BehaviorOverview Disclaimer and Remaining Sections 3 V5R3 Server Model Behavior V4R5 V5R2 4 V5R2 and V5R1Page 100 Server Model Differences Custom Server Model Model 7xx and 9/98 Model Performance Highlights of Model 7xx Servers Performance Highlights of Model 170 Servers Performance Highlights of Custom Server Models Additional Server Considerations Interactive Utilization Example Server Dynamic Tuning SDT Page Affects of Server Dynamic Tuning Interactive/Server characteristics in the real world Managing Interactive Capacity Is Interactive really Interactive? Page Migration from Traditional Models Interval end time hour and minute Number of interactive transactions per hour Upgrade Considerations for Interactive Capacity 13.2 V5R1 DSD Performance Behavior Domino-Complementary Processing V5R1 Non-Domino ProcessingInteractive Processing Logical Partitioning on a Dedicated Server Running Linux on a Dedicated ServerPage Batch Performance Effect of CPU Speed on BatchEffect of Dasd Type on Batch Batch Workload Description Tuning Parameters for Batch Expert CacheJob Priority Dynamic Priority SchedulingPage DB2 for i5/OS Performance New for i5/OS V6R1I5/OS V6R1 SQE Query Coverage Query Attribute POWER5 Processor POWER6 Processor DB2 i5/OS V5R4 Highlights Records Inserted/Selected I5/OS V5R4 SQE Query Coverage I5/OS V5R3 Highlights I5/OS V5R3 SQE Query CoverageCommon table expressions Deletes Derived tables Like/Substring predicates DB2 Multisystem LOB columns I5/OS V5R3 SQE Performance Enhancements Partitioned Table Support V5R2 Highlights Introduction of the SQL Query Engine Materialized Query Table Support Fast Delete SupportSQE Optimizer SQE Query Engine SQE Database Statistics Statistic Usage Example Indexing SQE for V5R2 SummaryEncoded Vector Indices EVIs DB2 Symmetric Multiprocessing feature Introduction DB2 for i5/OS Memory Sharing ConsiderationsDecision Support Queries SMP Performance Summary Journaling and Commitment Control JournalingRemote Journal Function System-Managed Access Path Protection Smapp Smapp DB2 Multisystem for i5/OS Commitment Control Copyright IBM Corp Referential Integrity Triggers Variable Length Fields Description Performance Expectations Reuse Deleted Record Space Description of FunctionComparison to Normal Inserts Performance References for DB2 Copyright IBM Corp Communications Performance System i Ethernet Solutions CCIN3 Communication Performance Test Environment HardwareSoftware Communication and Storage observations Dasd PerformanceLarge data transfer FTP TCP/IP non-secure performance Streaming Performance RR & Acrr Performance TCP/IP Secure Performance SSL Performance 1167 565.4 530.0 479.6 462.1 202.2249.7 53.4 48.0 31.3 27.4 478.4 55.7 53.3 36.9 31.9 SSL Relative Performance VPN Performance VPN Relative Performance Performance Observations and Tips27.5 10.9 15.4 18.7 88.8Page APPC, ICF, CPI-C, and Anynet Page HPR and Enterprise extender considerations Test Type Hprip Link Hprip Link Speed AnyNetSpeed = 10Mbps = 100Mbps Additional Information For network information select Networking Web Server and WebSphere Performance Http Server powered by Apache Relative Performance Metrics Http Server powered by Apache for i5/OS V5R4 Relative Capacity for CGI Http Server powered by Apache for i5/OS Page Page Page Page System Configuration PHP Zend Core forZend Core for Database and Workload Description Database Access OS / DB Database Persistent versus Non-Persistent Connections Database Isolation Levels Zend Platform PHP System Sizing WebSphere Application Server What’s new in V6R1?Thi Sho Tuning changes in V6R1 Using direct map native JdbcUsing ‘threadUsed=false custom property toolbox Jdbc Use of unix sockets toolbox JdbcPage Topology of the Trade Application Page WebSphere Application Server Trade3 Measurement Results Trade Capacity Results Trade Scalability Results Trade 6 Primitives Description of Trade primitives in Figure WebSphere Trade 3 Primitives Accelerator for System Trade Jdbc Response Time 1 User Time seconds Page WebSphere Application Server V51 Express IBM WebFacing WebFaced applications, one simple, oneModerate, and one complex. See .4, for Version 5.0 of Webfacing More in line with the other two machinesMany 5250 applications have been implemented With best performance techniques, such as Tuning the Record Definition Cache Display File Record I/O Processing Cache Management Definition Cache Content Viewer Cache Size EffectDefinitions would be retained in the cache with few cache Misses for not commonly used records Cache Viewer Button operations Button Operation Cache Management Record Definition Loader Record Definition Loader Button operations Operation Compression Enabling Compression in IBM Http Server powered by Apache Webfacing Compression Additional Resources PartnerWorld for Developers Webfacing website WebSphere Host Access Transformation Services Hats What’s new with V5R4 and HatsHats Customization Hats Customization CPW/User System Application Server Instance IBM Systems Workload Estimator for HatsPage WebSphere Portal WebSphere Commerce Connect for iSeries WebSphere Commerce Payments Performance Tips and Techniques Connect for iSeries Connector Types Performance Observations/TipsPage Java Performance IntroductionWhat’s new in V6R1 IBM Technology for Java 32-bit and 64-bit Native Code Garbage Collection Classic VM 64-bit JIT CompilerPage Garbage Collection Bytecode Verification Determining Which JVM to Use Functional Considerations Performance Considerations Capacity Planning General Guidelines Java Performance Tips and Techniques I5/OS Specific Java Tips and Techniques Classic VM-specific Tips Consider the special property os400.jit.mmi.threshold Java Language Performance Tips Minimize synchronized methods Instead, the above procedure should be written as Java i5/OS Database Access Tips Pool Database Connections Resources System i Cryptographic Solutions IBM Software SolutionsIBM Hardware Solutions Cryptography Performance Cryptography Performance Test Environment CSP API Sets Software Cryptographic API Performance Measurement Results Hardware Cryptographic API Performance Bytes/Second Cipher Encrypt Performance Encryption Threads4764 Transactions/second Bytes/second Cryptography Observations, Tips and Recommendations CCA CSP Supported number of 4764 Cryptographic Coprocessors ISeries NetServer File Serving Performance ISeries NetServer File Serving Performance Response Time Conclusion/ExplanationsPage 10.1 DB2 for i5/OS access with Jdbc Jdbc Performance Tuning TipsDB2 for i5/OS Jdbc and Odbc Performance References for Jdbc 10.2 DB2 for i5/OS access with Odbc Odbc Performance Settings Page References for Odbc Microsoft Odbc webpage Domino on Domino Workload Descriptions Mail and Calendaring Users MCU Domino Web Access formerly known as iNotes Web Access Domino Domino Domain Monitor Domino Web Access client improvements with Domino Additional memory was added for this test Response Time and Megahertz relationship Collaboration Edition and Domino Edition offerings Collaboration EditionDomino Edition Performance Tips / Techniques Page Page Domino Web Access Domino Subsystem Tuning Performance Monitoring Statistics Main Storage Options Minimize Thousands Sizing Domino on System V5R3 Main Storage Options Response Times Lpar and Partial Processor Considerations Performance Data Collection Tools System i NotesBench Audits and Benchmarks WebSphere MQ for iSeries Performance Improvements for WebSphere MQ V5.3 CSD6Queue Manager Start Following an Abnormal End Checkpoint Following a Journal Receiver Roll-over Test Description and Results Conclusions, Recommendations and Tips Other Sources of Information Basic Requirements -- Where Linux Runs Linux on iSeries PerformanceSummary Key Ideas Linux on iSeries Technical Overview Linux on iSeries Architecture Linux on iSeries Run-time Support Basic Configuration and Performance Questions General Performance Information and Results Computational Performance -- C-based code Number Processors Partition Computational Performance -- JavaWeb Serving Performance TCP/IP Function Megabit Ethernet LAN Virtual LAN Network OperationsGcc and High Optimization gcc compiler option -O3 Gcc Compiler, Version Value of Virtual LAN and Virtual Disk Virtual Disk 13.7 DB2 UDB for Linux on iSeries Linux on iSeries and IBM eServer Workload Estimator Top Tips for Linux on iSeries PerformancePage Page Page Dasd Performance Internal Native Attachment Direct Attach Native Hardware Characteristics Devices & Controllers 14.1.2 iV5R2 Direct Attach Dasd Intensive Workload Performance Comparison Intensive Workload 14.1.3 571B 14.1.3.1 571B RAID5 vs RAID6 10 15K 35GB Dasd14.1.3.2 571B IOP vs Iopless 10 15K 35GB Dasd 14.1.4 571B, 5709, 573D, 5703, 2780 IOA Comparison Chart Dasd 14.1.4.4 14.1.5.1 Comparing 571E/574F and 571F/575B IOP and IOPLess 14.1.6.2 1000 2000 3000 4000 Ops/Sec 14.1.7.4 Performance Limits on the 571F/575B 14.1.8.1Page 14.1.9.2 14.1.9.1 Direct Attach 571E/574F and 571F/575B Observations New in iV5R4M5 14.2.1 9406-MMA CEC vs 9406-570 CEC Dasd 100 200 300 400 500 600 Ops/Sec RAID Hot Spare 14.2.3 12X Loop Testing New in iV6R1M0 Encrypted ASP Non Encrypted ASP vs Encrypted ASP Non Encrypted ASP vs Encrypted ASP 14.3.2 57B8/57B7 IOA 100 350 600 850 1100 1350 1600 1850 POWER6 520 57B8/57B7 6 RAID5 Dasd in CEC 14.3.3 572A IOA Page SAN Storage Area Network External 14.5 iV6R1M0 -- Vios and IVM Considerations General Vios Considerations Generic Concepts Generic Configuration Concepts Page Page Chdev -dev hdisk03 -attr pv=yes will assign a Pvid to hdisk3 Page Vios and JS12 Express and JS22 Express Considerations 001 10000 20000 30000 40000 50000 60000 Vios CPU Vios Average Dasd Response Time Seconds BladeCenter S and JS12 Express Page Page System Workload Response Time Seconds IBM i operating system 5.4 Virtual Scsi Performance Page Introduction Virtual Scsi Performance Examples Native vs. Virtual Performance Virtual Scsi Bandwidth-Multiple Network Storage Spaces Nwsd Read Scaling Virtual Scsi Bandwidth-Disk Scaling Sizing when using Dedicated Processors Sizing CPU milliseconds to process virtual Scsi I/O transaction Sizing when using Micro-Partitioning Sizing memory Disk 1GB Sequential Read AIX Virtual IO Client Performance Guide Save/Restore Performance Supported Backup Device Rates Save Command Parameters that Affect Performance Use Optimum Block Size UseoptblkData Compression Dtacpr Data Compaction Compact Workloads Database File related WorkloadsUser Mix User Mix 3GB contains 12,300 objects Comparing Performance Data Lower Performing Backup Devices Medium & High Performing Backup DevicesUltra High Performing Backup Devices Use of Multiple Backup Devices Parallel and Concurrent Library Measurements Save and Restore Rates Large File Concurrent Save and Restore Rates Large File Parallel User Mix Concurrent Runs User Mix Concurrent 450 440 430 420 Number of Processors Affect Performance Dasd and Backup Devices Sharing a Tower 100 200 Virtual Tape Data To Save Hours 500 Parallel Virtual Tapes 1500 1000 Concurrent Virtual Tapes Save and Restore Scaling using a Virtual Tape Drive Large File Virtual Tape Scaling Save Write to Virtual tape Large File Save User Mix Saves High-End Tape Placement on System PCI-X ™ In a 5094/5294 tower use slot C08 or C09 700 250 15.19 5XX Tape Device Rates SLR60 Measurements in GB/HR all 8 Dasd in the system ASP Source File 1GB 15.21 5XX DVD RAM and Optical Library Software Compression High 15.23 9406-MMA DVD RAM ASP 15.24 9406-MMA 576B IOPLess IOA 1GB What’s New and Tips on Performance What’s New IV6R1M0 March IV5R4M5 JulyIV5R4 January August IPL Performance IPL Performance ConsiderationsIPL Test Description Software Configuration 16.3 9406-MMA System Hardware InformationActive Database 1 iV5R4M5 Normal IPL Power-On Cold Start 16.4 9406-MMA IPL Performance Measurements Normal16.5 9406-MMA IPL Performance Measurements Abnormal 1 iV5R4M5 Abnormal IPL Partition MSD MSD Affects on IPL Performance Measurements 16.7.1 5XX Small system Hardware Configuration 16.7.2 5XX Large system Hardware Configuration16.7 5XX System Hardware Information Database 1 Normal IPL Power-On Cold Start 16.8 5XX IPL Performance Measurements Normal16.9 5XX IPL Performance Measurements Abnormal Measurement units are in hours, minutes and seconds 16.10 5XX IOP vs IOPLess effects on IPL Performance Normal IPL Tips Integrated BladeCenter and System x Performance V5R4 iSCSI Host Bus Adapter iSCSI HBAIntegrated xSeries Adapter IXA Effects of Windows and Linux loads on the host system Integrated xSeries Servers IXS17.2.1 IXS/IXA Disk I/O Operations Extended Write Operations ISCSI Disk I/O Operations ISCSI virtual I/O private memory pool Crtsbsd SBSDQGPL/QFPHIS POOLS1 10000 Virtual Ethernet Connections 17.2.5 IXS/IXA IOP Resource IXS and IXA attached servers ISCSI attached servers Disk I/O CPU Cost Machine Pool MBytes Base Pool Qfphis Private Pool Total Further notes about IXS/IXA Disk Operations CPW per 1k Disk Operations Disk I/O Throughput ISCSI Target, IXA Capacity Comparison MB per Second Virtual Ethernet CPU Cost and Capacities VE Capacity Comparisons VE CPW Cost PP TCP Stream i5/OS to Windows File Level Backup Performance Windows CPU Cost Additional Sources of Information Flbu SAV / RST Rates Microsoft Hardware Compatibility Test URL See Logical Partitioning Lpar V5R3 InformationV5R2 Additions General Tips Considerations V5R1 Additions Lpar Performance Considerations Performance on a 12-way systemPage Lpar Throughput Increase Lpar Measurements Over a Standalone 12-way 5920 26 %5700 21 % Miscellaneous Performance Information TPC-C Commercial PerformanceSAP Performance Information SPECjbb2000 VolanoMark Delay Cost Terminology Dynamic Priority Scheduling Priority Mapping to Delay Cost Curves Performance Testing Results Qdynptyscd = ‘1’ on Qdynptyscd = ‘0’ Memory Tuning Using the Qpfradj System Value Main Storage Sizing Guidelines Additional Memory Tuning Techniques User Pool Faulting Guidelines Setobjacc Set Object AccessLarge Memory Systems Interactive Batch 19.7 AS/400 NetFinity Capacity Planning AS/400 NetFinity Software Inventory Performance Conclusions/Recommendations for NetFinity Adjusting Your Performance Tuning for Threads General Performance Tips and TechniquesHistory Coming Change Problem Solution General Performance Guidelines -- Effects of Compilation In-liningOptimization Levels Theory -- and Practice System Level Considerations Typical Storage Costs Order1 Orderj Ordert OrderN Brief Example Which is more important? Short but Important Tip about Data Base Final Thought About Memory and Competitiveness Hardware Multi-threading HMT HMT Described HMT Feature SMT Feature HMT and SMT Compared and ContrastedSome key similarities and differences are Models With/Without HMT POWER6 520 Memory Considerations Aligning Floating Point Data on Power6 Page High Availability Switchable Resources Considerations Switchable IASP’sHigh Availability Performance Workload Description Workload Configuration System ConfigurationHardware Configuration Cabling Map Switchover Tips Geographic Mirroring Workload Description Large System Configuration Hardware Configuration Cabling Map Switchable Towers using Geographic Mirroring Geographic Mirroring MeasurementsSynchronization on an idle system Active State Geographic Mirroring Tips IBM Systems Workload Estimator Estimator Access Merging PM for System i data into the EstimatorWhat the Estimator is Not Page Appendix A. CPW and CIW Descriptions Commercial Processing Workload CPW CPW Application Description Compute Intensive Workload CIW Page Page Performance Data Collection Services How Collection Services worksStarting Collection Services Batch Modeling Tool Bchmdl Page Page CPW values for the IBM Power Systems IBM i operating system V6R1 Additions October CPW values for the IBM Power 595 IBM i operating system V6R1 Additions AugustV6R1 Additions April Table C.3.1. CPW values for Power System Models V6R1 Additions January IBM System i using the POWER6 processor technology IBM System i using the POWER5 processor technologyV5R4 Additions July V5R4 Additions January/May/August 2006 and January/April Model Edition Accelerator V5R3 Additions May, July, August, October 2004, July IBM ~ i5 ServersValue Express CPU V5R2 Additions February, May, July ISeries Model 8xx Servers750 540 Model 810 and 825 iSeries for Domino February V5R2 AdditionsModels share L2 cache between 2 processors Standard Models 8xx Servers 10 V5R1 Additions Table C.9.2.1 Standard Models 8xx Servers Model 8xx Servers Table C.9.1.1 Model 8xx Servers Model 2xx Servers 10.3 V5R1 Dedicated Server for DominoTable C.10.2.1 Model 2xx Servers Table C.10.3 .1 Dedicated Servers for Domino Capacity Upgrade on-demand Models CPW Values and Interactive Features for CUoD ModelsActive Stand-by 840-2352 840-2353 840-2354 Table C.10.4.1.1 V5R1 Capacity Upgrade on-demand Models 16500 11 V4R5 Additions 11.1 AS/400e Model 8xx ServersTable C.11.1 Model 8xx Servers All new Condor models Dedicated Server for Domino Table C.11.2.1 Model 2xx ServersTable C.11.3.1 Dedicated Server for Domino SB Models 12 V4R4 Additions12.1 AS/400e Model 7xx Servers Table C.11.4.1 SB Models Model 170 Servers Current 170 Servers Table C.12.2.1 Current Model 170 Servers AS/400e Dedicated Server for Domino Previous Model 170 Servers2407 2408 2409 120 Table C.12.2.2 Dedicated Server for Domino 13 AS/400e Model Sxx Servers 14 AS/400e Custom Servers15 AS/400 Advanced Servers Table C.13.1 AS/400e Servers 16 AS/400e Custom Application Server Model SB1 Table C.15.1 AS/400 Advanced Servers V4R1 and V4R2Table C.15.2 AS/400 Advanced Servers V3R7 17 AS/400 Models 4xx, 5xx and 6xx Systems Table C.16.1 AS/400e Custom Application Server Model SB1Table C.17.1 AS/400 Risc Systems Table C.17.2 AS/400e Systems 18 AS/400 Cisc Model Capacities Table C.18.6 AS/400 Cisc Model 9406 Systems Table C.18.7 AS/400 Advanced Systems CiscTable C.18.8 AS/400 Advanced Servers Cisc