Prometheus 2.20 added a group aggregator. What is it for?
Reliable Insights
A blog on monitoring, scale and operational Sanity
/proc/mdstat is another of the files that the node exporter exposes as metrics.
Trying to improve alerting piecemeal can be difficult.
The node exporter exposes the current machine time.
We recently looked at creating silences from the command line, what about from programs?
What happens when your clustered storage fails?
You don't have to wait for alerts to fire to create a silence.
How do you debug and resolve the "Error on ingesting out-of-order samples" warning from Prometheus?
