Observability Stack Implementation

Component	Role	Key Features
Prometheus	Metrics collection and monitoring	Scrapes metrics · Time-series database · PromQL · Alerting
Grafana	Visualization and dashboarding	Dashboards · Multiple data sources · Alerting · User management
Loki	Log aggregation	Horizontally scalable · Multi-tenant · LogQL · Cost-effective storage
Tempo	Distributed tracing	OpenTelemetry support · High volume tracing · Grafana integration