Adrian RomoAdrian Romo

Tag · 7 posts

#observability

Everything I've written tagged Observability.

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Project Log

Seconds of Work, Hours of Residency

My morning briefing started failing. Ollama was up and returned HTTP 500, because a 21-second image render was still holding 6.6 GB of VRAM hours later.

HomelabAIIncident3 min
Architecture Note

What Deserves Attention Today

My homelab produces one verdict each morning: something needs you, or nothing does. Getting the second half honest was much harder than the first.

HomelabObservabilityAI2 min
Project Log

The Alert That Named a Thing and Called It Evidence

Five high-severity alerts from my own monitoring. All five were the same defect: a record that names something being read as an observation of a property it never measured.

HomelabObservabilityIncident2 min
Architecture Note

A Sandbox for Demos You Throw Away

One box runs every client demo I have live. The pattern is unremarkable; the interesting part was my monitoring reporting four healthy demos as missing.

HomelabDevOpsObservability3 min
Architecture Note

The Network Is the Layer I Documented Last

My homelab has an IPAM, metrics from every access point, and a config file for the network that is entirely placeholders — with a warning at the top admitting it.

HomelabObservabilityDevOps3 min
Project Log

The Outage Was Never the Thing I Was Debugging

A homelab-wide outage at 01:45. I blamed the reverse proxy, then the IPS, then the SSO layer. The root cause was a network port down at the switch — everything I suspected was a symptom.

HomelabDevOpsIncident2 min
Daily Note

Daily Note: Debugging a Production API Flow

Integration test green, staging green, prod failing for 1% of callers. The bug was in a place I would never have guessed.

DailyObservabilityPython1 min