Low cache offload in MCDN grandparent cache tier - reported by cluster
This alert notifies you that cache offload in the MCDN grandparent cache tier dropped below a set threshold. This error is reported by a cluster.
You can set this alert to monitor one group.
- Aura Managed CDN
- New Alert - The condition is present for 15 to 20 minutes.
- Alert Cleared - The condition is cleared for three to eight minutes.
You need to set:
The minimal traffic volume delivered to the lower tier (in megabits per second) and the minimum percentage of cache offload in the grandparent cache tier necessary to trigger the alert.
Whether the alert should be triggered when the threshold is reached for one of the selected maprules or all of them combined.
To troubleshoot this alert:
Log into Operator Portal.
Go to Monitor > Cache Performance.
Click the gear icon and select Area and POP (Points of Presence) of interest.
Hover over a representative place on the graph and note the Traffic Edge Hit Ratio.
Click Monitor > Cluster Traffic.
For both graphs, Cluster Traffic and Cluster Offload, click the gear icon. For Clusters, select the clusters of interest.
On the graphs, hover over a representative place and note the values.
Updated about 2 years ago