Utilities on your operating system that monitor system activities.
Use these utilities to get statistics on the number of running processes, including and the number of page-outs and swaps. Use this information to find out if the system is paging excessively, then make any necessary adjustments. You may want to put your swap files on special fast disks.
OS |
Utility |
Description |
---|---|---|
UNIX |
top, topas |
Provides an ongoing look at processor activity in real time. top is available on Solaris, Linux, and HP-UX platforms. topas is available on AIX. |
ps |
Reports process status. |
|
vmstat |
Displays information about system processes, memory, paging, block IQ, traps, and CPU activity. |
|
iostat -x |
Displays disk subsystem information. |
|
sar |
Writes selected OS activity results to standard output. | |
Windows |
Task Manager, Resource Monitor |
Provide detailed information about computer performance and running applications, processes, CPU usage, and other system services. |
Put the Windows page files on different disks than your database dbspace devices. You can also monitor the Object Memory and the counter Pages/Sec. However, this value is the sum of all memory faults which includes both soft and hard faults.