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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