Understanding Observability and Metrics through Prometheus

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Understanding Observability and Metrics through Prometheus

Source: erlang-solutions.com

The content discusses the critical importance of metrics for services and addresses issues with poorly maintained solutions in the past. Specifically, it focuses on the Prometheus library, one of the most downloaded packages in the Hex.pm repository. The presentation aims to clarify concepts related to observability, the difference between metrics and instrumentation, and the roles of Telemetry and Prometheus. Additionally, it offers guidance on using the Prometheus client library effectively and the improvements made to enhance its functionality.

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