Telemetry ...and metrics for all
summary
Telemetry aims to move monitoring earlier by emitting standardized events and letting small reporters handle aggregation and export; it provides a core emitter, telemetry_poller for VM gauges, and telemetry_metrics for counters/distributions that reporters forward to StatsD or Prometheus. A converted Phoenix app (Rumble) uses Ecto 3.1, Plug 1.8 and Phoenix 1.5 hooks, instruments VM, HTTP, controller and DB metrics, runs a load test, and shows growing process memory, request counters and slow controller actions — all with about 80–90 lines of metric definitions.
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chapters (17)
- 0:00Start
- 0:27Perimetry
- 8:07Business Logic
- 15:25Telemetry Event
- 18:00Instrumenting Libraries
- 19:50Metrics Related to Utilization of Resources
- 20:13Telemetry Polar
- 21:18Telemetry Metrics
- 22:25Metric Types
- 25:37Application Module
- 28:07Metrics Related to Http
- 29:13Tags
- 29:34Tag Values
- 30:01Http Response Tags
- 33:43Database Queries
- 35:09The Future of Telemetry
- 37:12Telemetry Core Library
