Backend line

Observability

OpenTelemetry, Grafana, metrics, tracing, logging

2 sections

Start: Grafana

Mid-level 1

  1. GrafanaGrafana is the visualization, alerting, and exploration layer of modern observability, sitting on top of data sources like Prometheus (metrics), Loki (logs), and Tempo (traces) — together the LGTM stack. Senior engineers care because…, not read

Senior 1

  1. Opentelemetry CollectorThe OpenTelemetry Collector is a vendor-agnostic proxy between your apps and their observability backends, with a receivers → processors → exporters pipeline for metrics, traces, and logs. It decouples application code from backend…, not read