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Spotlight on SAP ASE 2.12 - User Guide

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CPU Busy

This value displays the percentage of time that the Adaptive Server's CPU was performing Adaptive Server-related tasks.

The CPU Busy metric reported here may differ from the CPU usage values reported by operating system tools. When Adaptive Server has no tasks to process, it enters a loop that regularly checks for network I/O, completed disk I/Os, and tasks in the run queue (in addition to the work the housekeeper task is performing).

Operating system commands and utilities that measure CPU activity may show high usage for an Adaptive Server engine because they are measuring the looping activity, while "CPU Busy" does not include time spent looping. It is considered idle time.

  

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