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Explore the journey of making an Elixir system observable in this conference talk from ElixirConf EU 2022. Dive into the "Three Pillars of Observability" - logs, metrics, and traces - and learn how to infer a system's internal state using only its outputs. Discover the power of :telemetry in the BEAM ecosystem, implement structured logging, and understand the value of metrics for analyzing trends. Get insights on setting up PromEx for easy Prometheus metrics and learn about OpenTelemetry's current state for BEAM. Gain practical knowledge on improving system understanding, whether for troubleshooting or enhancing performance, tailored for intermediate Elixir developers running production systems.
