Observability

23 articles

ebpf7 min read

eBPF for Backend Engineers — Zero-Instrumentation Observability

eBPF runs sandboxed programs in the Linux kernel to observe traffic and performance without modifying application code. Learn Cilium for network visibility, Hubble for service-to-service flows, Parca for continuous profiling, and bpftrace for ad-hoc investigation.

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backend5 min read

Logging Everything and Nothing Useful — The Noise Problem

Your logs are full. Gigabytes per hour. Health check pings, SQL query text, Redis GET/SET for every cached value. When a real error occurs, it''s buried under 50,000 noise lines. You log everything and still can''t find what you need in a production incident.

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backend4 min read

No Observability Strategy — Flying Blind in Production

Something is wrong in production. Response times spiked. Users are complaining. You SSH into a server and grep logs. You have no metrics, no traces, no dashboards. You''re debugging a distributed system with no instruments — and you will be for hours.

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