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3.4    Monitoring and Tuning

The Monitoring and Tuning branch of SysMan lets you display information about system status, including events, virtual memory status, and I/O status. You also can perform tasks that help improve system performance.

View events

EVM is an event management system. Event Viewer is the portion of EVM that establishes a retrieving client to view events stored in the log files.

For additional information, see Event Viewer Help.

Class Scheduling

Allocates system resources so that the most important work gets the required percentage of processing time. Users, groups, process groups, process ids, and sessions can be collected into a scheduling class that is allocated a percentage of the CPU time. Additionally, you can use the Class Scheduling branch to start and stop the Class Scheduler.

For additional information, see Class Scheduler Online Help.

View Virtual Memory (VM) Statistics

Displays system statistics for virtual memory, processes, trap, and CPU activity.

For additional information, see the vmstat(1) reference page.

View Input/Output (I/O) Statistics

Reports the following information:

  • For terminals (collectively), the number of characters read and written per second.

  • For each disk, the number of transfers per second, bytes transferred per second (in kilobytes), and the milliseconds per average seek.

  • For the system, the percentage of time the system has spent in user mode, in user mode running low priority (nice) processes, in system mode, and idling.

For additional information, see the iostat(1) reference page.

Set up Compaq Insight Manager

Compaq Insight Manager Configuration is used by the system administrator to enable or disable the Insight Manager Agents on your system.

For additional information, see the Compaq Insight Manager Configuration Help.

View Uptime Statistics

Reports the current time, the amount of time since the system was last started, the number of users logged into the system, and the load averages.

For additional information, see the uptime(1) reference page.