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#observability

3 articles
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Real Domains April 9, 2026 12 min read

Logging & Debugging Patterns — A Practical Guide

The practical patterns for logging and debugging distributed Java systems — what to log, what never to log, how to make logs useful at 3 AM, and the debugging techniques that actually work when the bug only reproduces in production.

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Highload March 12, 2026 10 min read

Observability & Tracing — A Production Playbook

How to actually know what your distributed system is doing in production — the three signals, the tools that compose them, and the operational discipline that turns telemetry from cost center into debugging superpower.

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Highload October 15, 2025 5 min read

Latency Percentiles — Reading Them Right

Why averages lie, what p95/p99/p999 actually tell you, and how to pick SLO targets that match real user experience.