Administration Guide › Aggregation and Correlation Engine 2 (ACE2) › ACE2 Features › ACE2 Calculation Order

ACE2 Calculation Order

This section explains the way in which ACE2 determines what order to calculate its metrics.

Metrics that send events must be calculated before metrics that receive those same events. The ACE2 manager handles the calculation order automatically.

The calculation order is instance-specific. If the event reusability hierarchy is distributed between ACE1 and ACE2 instances. ACE2 only handles the ordering of the metrics assigned to it.

Note: As in the case of ACE1, we recommended keeping an entire event reusability chain assigned to ACE2, within ACE2 limitations. We recommend keeping the entire event reusability chain assigned to the same instance.

• If there is event reusability, the metric that sends the events must precede the metric that receives the events.