Core Concepts
4 sectionsRapid overview
Core Concepts
TL;DR
Observability rests on three pillars — metrics (cheap, aggregatable numbers good for alerts and dashboards), logs (high-cardinality records good for debugging), and traces (request flow across services). Pair them with SLOs and error budget…
Read →How it works
---
Read →Quick recall Q&A
Metrics: - Numeric, time-series data - Aggregated, low storage cost - Best for: Alerting, dashboards, trends
Read →Additional notes
| Type | Description | Example | |------|-------------|---------| | Counter | Monotonically increasing | Total requests | | Gauge | Can go up or down | Current connections | | Histogram | Distribution buckets | Request duration |
Read →