A blog on monitoring, scale and operational Sanity
September 14, 2020
Prometheus 2.21.0 is now out, following on from 2.20.0 with many fixes and improvements.
September 7, 2020
Users are sometimes surprised that Prometheus uses RAM, let's look at that.
August 31, 2020
Linux provides scheduling metrics in /proc/schedstat, which the node exporter uses.
August 24, 2020
As previously mentioned partial failure is hard to deal with.
August 17, 2020
Modern CPUs don't run at one constant frequency.
August 10, 2020
Prometheus 2.20 added a group aggregator. What is it for?
August 3, 2020
/proc/mdstat is another of the files that the node exporter exposes as metrics.
July 27, 2020
Prometheus 2.20.0 is now out, following on from 2.19.0 with many fixes and improvements.
July 20, 2020
Trying to improve alerting piecemeal can be difficult.
July 13, 2020
The node exporter exposes the current machine time.
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