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Observability

You can't fix what you can't see. Logs, metrics, and traces — the three pillars that turn opaque systems into transparent ones.

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Logs

Structured Logging

Moving beyond plaintext to structured, queryable log events that scale with your system's complexity.

Metrics

RED & USE Methods

Rate, errors, duration for services. Utilization, saturation, errors for resources. Two frameworks, full coverage.

Tracing

Distributed Tracing

Following a request across service boundaries with OpenTelemetry, spans, and trace context propagation.

Alerting

SLOs & Error Budgets

Defining reliability targets, measuring them honestly, and alerting on what actually matters to users.

Practice

Incident Response

From detection to mitigation to post-mortem — building a culture that learns from failure.

Tools

The Observability Stack

Prometheus, Grafana, Jaeger, Loki — assembling an open-source observability platform.

Observability