Practical Uses of Telemetry in Elixir Applications

Zac Barnes delivers a talk on integrating Telemetry into Elixir applications, based on his experiences at Ramp. Specifically, he addresses challenges with implementing Telemetry by sharing practical examples from their services. The talk covers how to emit events using Telemetry, monitor system behavior, and tackle common performance issues. He also introduces the Telemetry.poller and span functionalities and discusses the importance of using community packages for extended Telemetry capabilities. Key takeaways include how to track metrics effectively, refactor Telemetry handlers, and avoid synchronous execution pitfalls. Additionally, Zac emphasizes the role of community support and existing packages for Telemetry in Elixir applications.