Computer Drive User Manual

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