Observability

Logging, tracing and understanding systems in production.
15
Feb
Street photograph by Stalin Pereira

Logs Are Not Debugging: Structured Logging Patterns That Actually Help

Teaching log levels structured formats and context that make logs searchable and useful
2 min read
07
Jan
Street photograph by Stalin Pereira

Instrumenting a Node.js Service with OpenTelemetry Auto-Instrumentation

Get traces and metrics from a Node.js service without vendor lock-in: zero-code setup, the ESM loader trap that silently drops spans, a production-ready SDK config, surprising defaults, and a Collector pipeline that keeps your backend a config choice.
8 min read
17
Dec
Street photograph by Stalin Pereira

Debugging Latency Spikes with Jaeger Traces

Visualizing a request bottleneck using Grafana Tempo/Jaeger
1 min read
29
Nov
Street photograph by Stalin Pereira

Adopting JSON Logging Standards for Easier Querying

Why JSON logs with context are superior to plain text logs
1 min read