Reliable Insights

A blog on monitoring, scale and operational Sanity

January 6, 2020

Network interface metrics from the node exporter

Along with many others, the node exporter exposes network interface metrics.

Read more

December 30, 2019

Left joins in PromQL

Just because SQL isn't in the name doesn't mean that you can't do SQL-like joins with PromQL.

Read more

December 9, 2019

PromQL Subqueries and Alignment

Subqueries were added to PromQL a while back, but there's more to this feature than it'd seem.

Read more

December 2, 2019

Target labels, not metric name prefixes

Services are not distinguished by their metric names in Prometheus.

Read more

November 25, 2019

Filesystem metrics from the node exporter

The node exporter exposes filesystem metrics out of the box, so let's take a look.

Read more

November 18, 2019

Evaluating Performance and Correctness

There's more to selecting a piece of software than headline numbers. Read more

November 11, 2019

New Features in Prometheus 2.14.0

Prometheus 2.14.0 is now out, following on from 2.13.0 with many fixes and improvements.

Read more

November 4, 2019

Don’t cross the screams: Monitoring across failure domains

Scraping targets across datacenters will make things better, right?

Read more

October 28, 2019

Getting Cloudwatch data into Prometheus

Among the many integrations for Prometheus is the Cloudwatch exporter.

Read more

October 14, 2019

Environment substitution with Docker

Prometheus leaves configuration and runtime management to their respective roles. How might you integrate those?

Read more


Blog   |   Training   |   Book   |   Careers   |   Privacy   |   Demo