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Image showing open observability day in Denver Jun 26 2025
Editor's pick

ControlTheory at the Open Observability Summit: Taming Metric Cardinality with OpenTelemetry

ControlTheory co-founders Jon Reeve (Walter) and Eric Anderson (The Dude) presented at Open Observability Summit + OTel Community Day on June 26 in Denver. Their talk, Taming Metric Cardinality: Practical Cost Reduction with the OpenTelemetry Collector, took a fun but technical deep dive into one of the most critical (an...
August 5, 2025
By Jon Reeve
Image Credit ESA/Hubble & NASA, M. Sun

Observability – Now What?

Observability is a starting point but it should be leading us to much higher aspirational goals of stability and controllability. What’s next for observability? Th...

November 7, 2024
By Bob Quillin
Picture showing a dish communicating with a satellite

From Observability to Controllability

“Observability is a measure of how well internal states of a system can be inferred from knowledge of its external outputs. In control theory, the observability an...

November 7, 2024
By Jon Reeve
Picture showing the trade floor at KubeCon

ControlTheory at KubeCon NA 2024

It’s time. Time to consider what’s next for Observability. Time to consider how to introduce more OpenTelemetry into your infrastructure. KubeCon is the perfect ti...

November 5, 2024
By Bob Quillin