Tag
#metrics
5 articles
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.
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.
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.
PlatformTruth: Dynamic Statistics as the Single Source of Truth
How PlatformTruth eliminates hardcoded metrics through filesystem scanning, ETS caching, claim validation pipelines, and dynamic health scoring.
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.