Disk I/O Settings ........................................................................................................................ 102
TCP/IP Settings .......................................................................................................................... 102
Tuning UltraSPARC T1–Based Systems ........................................................................................ 103
Tuning Operating System and TCP Settings .......................................................................... 103
Disk Conguration .................................................................................................................... 105
Network Conguration ............................................................................................................. 105
Start Options ............................................................................................................................... 105
6 Tuningfor High-Availability ............................................................................................................107
Tuning HADB .................................................................................................................................... 107
Disk Use ...................................................................................................................................... 107
Memory Allocation .................................................................................................................... 109
Performance ............................................................................................................................... 110
Operating System Conguration ............................................................................................. 116
Tuning the Enterprise Server for High-Availability ...................................................................... 116
Tuning Session Persistence Frequency .................................................................................... 117
Session Persistence Scope .......................................................................................................... 118
Session Size ................................................................................................................................. 118
Checkpointing Stateful Session Beans ..................................................................................... 119
Conguring the JDBC Connection Pool ................................................................................. 119
Conguring the Load Balancer ........................................................................................................ 120
Enabling the Health Checker .................................................................................................... 120
Index ................................................................................................................................................... 123
Contents
SunGlassFishEnterpriseServer2.1PerformanceTuningGuide • January20096
