Abstract.......................................................................................................................................1
Introduction................................................................................................................................1
Tuning processor performance.................................................................................................1
Simultaneous multithreading.................................................................................................................1
Process scheduling and priority..............................................................................................................2
Processor affinity...................................................................................................................................3
Logical partitioning and Micro-Partitioning.............................................................................................5
Tools to monitor processor performance................................................................................................6
The vmstat command.......................................................................................................................6
The iostat command........................................................................................................................7
The sar command...........................................................................................................................8
Tuning memory..........................................................................................................................9
Oracle process memory footprint...........................................................................................................9
Pinning memory.....................................................................................................................................9
Example configuration for using pinned SGA................................................................................10
Large page memory............................................................................................................................10
Example configuration for using large pages for the Oracle SGA.................................................11
Example configuration for using large pages for .text and .data...................................................11
Tools to monitor memory usage...........................................................................................................12
vmstat............................................................................................................................................12
svmon............................................................................................................................................13
Tuning I/O performance............................................................................................................14
Asynchronous I/O...............................................................................................................................................................................
