Observability Series 06: Prometheus and Grafana — Metrics, Alerts, and Service Health

After exploring OpenTelemetry, Jaeger, Falco, and Loki, this article explains how Prometheus and Grafana help platform teams understand service health through metrics, alerts, and dashboards.

Observability Series 07: SLI, SLO, and SLA — Measuring Reliability Without Guesswork

After building observability with traces, logs, and metrics, this article explains how SLI, SLO, SLA, and error budgets help teams measure reliability from the user's point of view.

Observability Series 05: Loki, Logstash, and Grafana — Building a Practical Centralized Logging Pipeline

After exploring OpenTelemetry, Jaeger, and Falco, this article explains how Loki, Grafana, and optional Logstash processing help platform teams investigate real production issues through centralized logs.

Observability Series 04: Falco 101 — Runtime Security for Kubernetes and Linux

After understanding tracing with Jaeger, this article explains how Falco helps detect suspicious runtime behavior from running systems.

Observability Series 03: Jaeger 101 — Human-Readable Distributed Tracing

After understanding observability and OpenTelemetry, this article explains how Jaeger helps us read request journeys across services through distributed tracing.

Observability 101: Why Logs Aren't Enough

Observability helps engineers understand what's actually happening inside a system, rather than just knowing something is broken.

OpenTelemetry 101: Understanding the Foundation of Modern Observability

OpenTelemetry is an open standard for generating, collecting, and exporting telemetry data like traces, metrics, and logs.

Welcome to raka.docs

This blog contains notes, experiments, and personal documentation around backend engineering, cloud infrastructure, and security.