Tag

#observability

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Engineering

Telemetry to Prometheus: The Pipeline You Stop Writing Once You Get It Right

`:telemetry` events β†’ `Telemetry.Metrics` definitions β†’ Prometheus exporter β†’ Grafana. Four steps, three libraries, one rule: the metrics list is the API.

Apr 09, 2026 Β· 6 min read Β· TomΓ‘Ε‘ Korcak (korczis)
telemetry prometheus metrics +2
Engineering

Telemetry-First Observability: Events Before Dashboards

Dashboards built without a telemetry contract lie. Telemetry built without a consumer is overhead. Here's how Prismatic wires :telemetry events into a coherent observability story across 94 umbrella apps.

Apr 09, 2026 Β· 7 min read Β· TomΓ‘Ε‘ Korcak (korczis)
telemetry observability monitoring +2
Engineering

Telemetry-Driven Development: Observability from Day One

The OTEL doctrine mandates observability as a first-class concern. This article covers :telemetry integration for GenServers, controllers, and LiveViews, span creation, metric collection, and the ErrorFeed real-time dashboard.

Mar 22, 2026 Β· 9 min read Β· Prismatic Engineering
telemetry observability otel +2
Engineering

Building an Error Intelligence Pipeline in Elixir

How we built PatternTracker, ErrorFeedLive, and a real-time error deduplication system with PubSub streaming for production visibility.

Mar 20, 2026 Β· 9 min read Β· Tomas Korcak (korczis)
error-tracking pattern-tracker pubsub +2
Engineering

Telemetry-Driven Development: Observability from Day One

How to build observable Elixir systems using :telemetry from the start, covering event design, span patterns, custom metrics, and the OTEL doctrine pillar.

Mar 14, 2026 Β· 10 min read Β· Tomas Korcak (korczis)
telemetry observability elixir +2