# \#opentelemetry

**URL:** https://forum.devtalk.com/tag/opentelemetry/2514.md

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## [OpenTelemetry Collector on Docker Swarm: every broken config passed validation](https://forum.devtalk.com/t/opentelemetry-collector-on-docker-swarm-every-broken-config-passed-validation/250977)

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**Author:** [@T0ha666](https://forum.devtalk.com/u/T0ha666)\
**Replies:** 0\
**Last updated:** [21 October 2026 07:24 UTC](https://forum.devtalk.com/t/opentelemetry-collector-on-docker-swarm-every-broken-config-passed-validation/250977 "2026-10-21T07:24:38Z")

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I wrote up what it took to ship logs and metrics from two small Docker Swarm clusters into PostHog with the OpenTelemetry Collector: an agent per node as a global service, one gateway holding the credentials. Every br…

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## [Building a Full Observability Stack in Elixir with OpenTelemetry, PromEx, and Promtail](https://forum.devtalk.com/t/building-a-full-observability-stack-in-elixir-with-opentelemetry-promex-and-promtail/215479)

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**Author:** [@bennydreamtech23](https://forum.devtalk.com/u/bennydreamtech23)\
**Replies:** 2\
**Last updated:** [24 September 2025 20:06 UTC](https://forum.devtalk.com/t/building-a-full-observability-stack-in-elixir-with-opentelemetry-promex-and-promtail/215479 "2025-09-24T20:06:59Z")

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Description: “Learn how to build a full observability stack in Elixir using OpenTelemetry, PromEx, and Promtail, exporting traces, metrics, and logs to OpenObserver. Step-by-step guide with configs, Docker setup, and ti…

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## [Elixir, OpenTelemetry, and the Infamous N+1](https://forum.devtalk.com/t/elixir-opentelemetry-and-the-infamous-n-1/82797)

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**Author:** [@brainlid](https://forum.devtalk.com/u/brainlid)\
**Replies:** 0\
**Last updated:** [14 November 2022 15:24 UTC](https://forum.devtalk.com/t/elixir-opentelemetry-and-the-infamous-n-1/82797 "2022-11-14T15:24:04Z")

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Alex Koutmos wrote an OpenTelemetry article for Phoenix projects by with an awesome demo repo that visualizes telemetry events with Grafana! It’s also a helpful guide on debugging performance problems like N+1 DB queries…

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## [Elixir Observability: OpenTelemetry, Lightstep, Honeycomb](https://forum.devtalk.com/t/elixir-observability-opentelemetry-lightstep-honeycomb/67320)

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**Author:** [@davydog187](https://forum.devtalk.com/u/davydog187)\
**Replies:** 0\
**Last updated:** [3 August 2022 15:52 UTC](https://forum.devtalk.com/t/elixir-observability-opentelemetry-lightstep-honeycomb/67320 "2022-08-03T15:52:03Z")

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Hello all! I wrote a blog post called Elixir Observability: OpenTelemetry, Lightstep, Honeycomb. The post post covers how to integrate your Elixir application with Open Telemetry to make it observable in Lightstep and …