IBM 6.1.X User Manuals

Table of Contents

• PERFORMANCE TUNING OVERVIEW

  2
• Environment Considerations

  3
• 32-bit and 64-bit Considerations

  3
• Hardware Multithreading (Hyper-Threading)

  3
• BASE PORTAL TUNING

  4
• Application Server Tuning

  5
• JVM Initial and Maximum Heap Size

  5
• JVM Heap Large Page

  7
• JVM Heap New Area Size

  8
• Additional SUN JVM Arguments

  8
• Session Timeout

  9
• Web Container Thread Pool Size

  9
• Security Attribute Propagation

  10
• VMM Context Pooling

  11
• ORB Service Tuning For z/OS

  11
• WebSphere Portal Services

  12
• Navigator Service

  12
• Registry Service

  13
• Cache Manager Service

  14
• Database Tuning

  15
• Datasource Tuning For DB2

  15
• DB2 Database Server Tuning

  15
• Oracle Database Server Tuning

  19
• Other Database Considerations

  21
• Directory Server Tuning

  22
• Web Server Tuning

  23
• Operating System Tuning

  25
• AIX

  25
• Linux

  26
• Windows 2003

  26
• Solaris

  27
• Z/OS

  29
• Required Fixes

  29
• WEB 2.0 THEME TUNING

  30
• JVM Initial and Maximum Heap Size

  30
• Navigator Service Properties

  30
• Internet Explorer Support of Vary Header

  31
• Caching Proxy Tuning

  31
• Web Server Tuning

  32
• Portlet Caching

  33
• MANY PAGES TUNING

  34
• DB2 Database Tuning

  34
• Cache Manager Service

  35
• Required Fixes

  35
• WEB CONTENT MANAGEMENT TUNING

  36
• Application Server Tuning

  36
• WebSphere Portal Service Properties

  37
• Cache Manager Service

  37
• Navigation Service

  38
• WCM Object Cache

  38
• WCM Configuration Service

  39
• JCR Text Search

  39
• DB2 Tuning (Authoring Environment)

  40
• Multiplatform (LUW)

  40
• Z/OS

  41
• COMPOSITE APPLICATIONS TUNING

  43
• Cache Manager Service Properties

  43
• Composite Applications Best Practices

  44
• CLUSTER TUNING

  46
• Application Server Tuning

  46
• Dynacache Custom Properties

  46
• z/OS Dynacache Custom Property

  46
• Thread Pools

  47
• Transport Buffer Size

  47
• WMM Context Pooling

  47
• Web Server Tuning

  48
• Session Persistence To Database Tuning

  49
• Vertical Cluster Tuning

  50
• Required Fixes

  51
• OTHER PERFORMANCE TUNING OPTIONS

  52
• Improving Portal Startup Performance

  52
• Managing the Retrieval of User Attributes

  53
• Identifying a Full Fetch of User Attributes

  54
• Minimum Attribute Set

  55
• Use of Dynamic Content Features

  55
• Real-World Network Considerations

  56
• Compress Content on the HTTP Server

  56
• Enabling Client-Side Caching

  57
• WEBSPHERE PORTAL CACHES

  58
• General Information

  58
• Cache Configuration Properties

  58
• Cache Usage Patterns

  61
• Cache Instances

  62
• Access Control

  62
• Portal User Management

  67
• Datastore

  68
• Model

  69
• URL Mappings

  74
• Virtual Portals

  74
• WSRP

  75
• Dynamic Assembly / Process Integration

  77
• Policy

  78
• Collaboration Services

  78
• Miscellaneous

  79
• Example Scenarios

  82
• General Comments

  82
• Small Number of Pages and Small Number of Users

  83
• Small Number of Pages and Large Number of Users

  83
• Portals with Long Session Timeouts

  84
• Portals with Many Pages

  84
• WEB CONTENT MANAGEMENT CACHES

  86
• WCM Cache Instances

  86
• WCM Item caching

  86
• WCM Summary

  86
• WCM Basic Caching

  87
• Advanced and Resources

  87
• Session Cache

  87
• Menu

  88
• Navigator

  88
• Absolute path

  88
• Missed Items

  88
• Library

  88
• Library Parent

  89
• Draft Summary

  89
• User cache

  89
• References

  90
• Credits

  91
• Figure 1 Portal Access Control Cache Hierarchy

  63
• Figure 2 Portal Model Cache Hierarchy

  70
• Table 1: Additional Sun JVM Settings

  8
• Table 2: WebSphere Security Attribute Propagation Settings

  10
• Table 3: VMM Context Pool Setting

  11
• Table 4: Navigation Service Settings

  12
• Table 5: Registry Service Settings

  13
• Table 6: Cache Manager Service Settings

  14
• Table 7: DB2 Database Domains

  15
• Table 8: Oracle Database Tuning

  20
• Table 9: IDS Tuning

  22
• Table 10: Web Server Tuning

  23
• Table 11: AIX Network Settings

  25
• Table 12: Linux Network Settings

  26
• Table 13: Windows Network Settings

  26
• Table 14: Solaris Network Settings

  27
• Table 15: z/OS System Tuning

  29
• Table 16: Navigation Service Settings for Web 2.0 Theme

  30
• Table 17: Reverse Proxy Settings

  31
• Table 18: DB2 Database Settings for Many Pages

  34
• Table 19: Cache Manager Service Settings for Many Pages

  35
• Table 20: Cache Manager Service Settings for WCM

  37
• Table 21: Navigation Service Settings for WCM

  38
• Table 22: WCM Object Cache Settings

  38
• Table 23: DB2 z/OS Bufferpool Settings

  41
• Table 24: DB2 z/OS Default Bufferpool Settings

  42
• Table 25: Cache Manager Serivce Properties for Application Infrastructure

  43
• Table 26: Web Server Tuning for Clusters

  48
• Table 27: WebSphere Session Persistence Tuning

  49
• Table 28: IDS Tuning in Vertical Cluster

  51