This alert notifies you that cache offload in the MCDN parent cache tier dropped below a set threshold. This error is reported by a maprule.

You can set this alert to monitor one group.

Available for

• Aura Managed CDN

Notification time

• New Alert - The condition is present for 15 to 20 minutes.
• Alert Cleared - The condition is cleared for three to eight minutes.

Threshold configuration

You need to set:

• The minimal traffic volume delivered to a lower tier (in megabits per second) and the minimum percentage of cache offload in the parent cache tier necessary to trigger the alert.

• Whether the alert should be triggered when the threshold is reached for one of the selected maprule or all of them combined.

Troubleshooting

Follow the instructions from the Troubleshooting section on the alert's page.