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Why is the timestamp for the performance event different from the initial notification timestamp?

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Applies to

Active IQ Unified Manager (AIQUM) 9.6+

Answer

Performance events (also called continuous events) in Unified Manager involve a monitoring period where the selected counter must remain above the threshold for a period of time. This default monitoring period is 60 minutes. When a threshold is first breached, the event is not visible in the event management table, nor does it send a notification. If the threshold remains breached and the monitoring period elapses, the event becomes visible in the event management table and triggers a notification. The timestamp visible in the event management table is derived from the first inventory collection where the threshold was breached ("first seen"), whereas the notification will occur after the monitoring period. 

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