Performance Tuning Guide

Version 7.7 July 2004

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Contents

Performance Tuning Guide 1

Chapter 1: Whats New in This Release

Chapter 2: Siebel Architecture and Infrastructure About Performance and Scalability 11

About Siebel Architecture and Infrastructure 13

About Siebel User Request Flow 16

Performance Tuning Terminology 17

Chapter 3: Tuning the Siebel Application Object Manager for Performance

About the Application Object Manager 19

AOM Infrastructure 20

Performance Factors for AOM Deployments 21

Topology Considerations for AOM Deployments 24

Best Practices for AOM Tuning 24 Tuning AOM Components for CPU and Memory Utilization 25 Tuning Parameters for AOM Caches 29 Additional Parameters Affecting AOM Performance 30 Memory Consumers in AOM 31

Configuring Database Connection Pooling for AOMs 32 About Database Connections for AOM 32 Database Connection Pooling Usage Guidelines 34 Configuring Pooling for Default Database Connections 36 Configuring Pooling for Specialized Database Connections 38

Using Thread Pooling for AOM 40

Chapter 4: Tuning the Siebel Server Infrastructure for Performance

Configuring SISNAPI Connection Pooling for AOM 43

Tuning Server Request Broker (SRBroker) 44

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Chapter 5: Tuning Siebel Web Client for Performance About Siebel Clients 47

Performance Factors for Siebel Web Clients 48

Best Practices for Siebel Web Client Tuning 49 Providing Sufficient Web Server and Network Capacity 49 Testing Performance for Web Clients 50 Providing Sufficient Client Hardware Resources 51 Tuning System Components 51 Following Configuration Guidelines 52 Managing the Browser Cache 52 Specifying Static File Caching 53 Improving Performance Using View Layout Caching 55 Managing Performance Related to Message Bar 59

Chapter 6: Tuning Siebel Communications Server for Performance

About Siebel Communications Server 61

Session Communications Infrastructure 62

Performance Factors for Session Communications 64

Topology Considerations for Session Communications 66

Best Practices for Session Communications Tuning 66 Tuning the AOM Component 67 Tuning the CommSessionMgr Component 67 Conserving AOM Server Resources Through Caching 68 Improving Performance for Communications Configurations 68 Configuring Logging for Session Communications 69 Improving Availability for Session Connections 70 Improving Screen Pop Performance 71 Improving Screen Pop Performance for Siebel CTI Connect 72 Reviewing Performance Impact of Activity Creation 72 Performance for Siebel Universal Queuing 72

Siebel Email Response Infrastructure 74

Performance Factors for Siebel Email Response 75

Topology Considerations for Siebel Email Response 76

Best Practices for Siebel Email Response Tuning 76

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Chapter 7: Tuning Siebel Workflow for Performance About Siebel Workflow 79

Monitoring Workflow Policies 80 Using the Policy Frequency Analysis View 80 Using Workflow Agent Trace Logs 80 Monitoring Workflow Policies Tables 81

Tuning Workflow Policies for Performance 82 Creating Workflow Policy Groups to Manage Siebel Server Load 82 Multiple Workflow Monitor Agents and Workflow Action Agents 82 Running Workflow Agents on Multiple Siebel Servers 83 Setting Optimal Sleep Interval for Workflow Policy Groups 83 Setting Optimal Action Interval for Workflow Monitor Agent and Workflow Action Agent

84

Tuning Workflow Processes 84 Minimizing Usage of Parameter Search Specification 84 Monitoring Conditions Based on Parent and Child Business Components 85 Configuring Siebel eBusiness Applications for Workflow Performance 85 Monitoring Memory Overhead for Workflow Processes 86

Tuning Workflow Process Manager for Performance 87 Caching Business Services 87 Caching Sessions 88

Chapter 8: Tuning Siebel Configurator for Performance Siebel Configurator Infrastructure 89

Performance Factors for Siebel Configurator 90

Topology Considerations for Siebel Configurator 91 Running Siebel Configurator in the AOM Component 91 Running Siebel Configurator on Dedicated Servers 91

Best Practices for Siebel Configurator Tuning 93 Tuning Siebel Configurator 94 Sizing the Siebel File System 94 Defining Customizable Product Models and Classes 95 Using Siebel Configurator Caching 95

Configuring Snapshot Mode Caching for Configurator 96 Guidelines for Using Snapshot Mode 97 Parameters for Configuring Snapshot Mode Caching 98 Determining Rough Sizing for Caching Parameters 99 Refreshing Snapshot Mode Cache Elements 100

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Chapter 9: Tuning Siebel eAI for Performance About Siebel eBusiness Application Integration 103

Best Practices for Siebel eAI Tuning 103 Improving IBM WebSphere MQ Transport Performance 104 Improving HTTP Inbound Transport Performance 106 EAI Siebel Adapter Performance 106 Virtual Business Component Performance 108 Improving Workflow Process Manager Performance 108 Other Best Practices for Siebel eAI 110

Chapter 10: Tuning Customer Configurations for Performance

General Best Practices for Customer Configurations 111 Miscellaneous Configuration Guidelines 112 Setting Unneeded Object Definitions to Inactive Status 114 Analyzing Generated SQL for Performance Issues 115

Best Practices for Siebel Scripting 119 Using Declarative Alternatives to Siebel Scripting 119 Siebel Scripting Guidelines for Optimal Performance 120

Best Practices for Data Objects Layer 123 Multilingual LOVs Query and Cache Performance 123 Managing Database Indexes in Sorting and Searching 124 Reusing Standard Columns 126

Best Practices for Business Objects Layer 128 Using Cache Data Property to Improve Business Component Performance 128 Limiting the Number of Active Fields 129 Guidelines for Using Calculated Fields 129 Using Properties to Improve Picklist Performance 131 Using Primary ID Fields to Improve Performance 131 How the Check No Match Property Impacts Performance 132

Best Practices for User Interface Objects Layer 132 Addressing Performance Issues Related to Grid Layout 132 Maintaining Performance When Using Applet Toggles 133

Chapter 11: Tuning UNIX Operating Systems for Performance

Tuning the Siebel Server for All UNIX Platforms 135

Tuning the Siebel Web Server Extension for All UNIX Platforms 137

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Tuning Siebel eBusiness Applications for AIX 137 Tuning the IBM HTTP Server for AIX 137 Tuning the Siebel Server for AIX 139 Tuning Kernel Settings for AIX 140

Tuning Siebel eBusiness Applications for Solaris 141 Tuning the Sun ONE Web Server for Solaris 142 Tuning