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  • Pair programming with AI in 2025: habits that stick
  • vLLM in 2025: the improvements that matter to LLM-serving teams
  • Microsoft's GraphRAG in enterprise: patterns that work
  • Alignment evaluation: RLHF, DPO, and recent alternatives
  • Gemma 2: Google's open model one year later

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Chaos Engineering in Enterprise: Beyond Chaos for Chaos’s Sake

July 19, 2024 javi
Ondas concéntricas en agua representando propagación controlada de efectos

Chaos engineering is more than ‘break production’. How to implement with hypotheses, controlled blast radius, and measurable ROI.

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Metodologías 

Observability and SLOs: Error Budgets That Get Met

February 29, 2024 javi
Gráfico de líneas ascendentes representando métricas de servicio en tiempo real

SLOs only work if error budget is genuinely managed. How to define without ceremony and how to use them to balance speed and reliability.

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Metodologías 

Blameless Post-Mortems: How to Actually Improve

February 8, 2024 javi
Tablero con notas adhesivas y diagrama de flujo representando análisis post-incidente

Blameless post-mortems are easy to say, hard to do well. Concrete techniques to extract real learning without them becoming theatre.

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Metodologías 

Applying Google’s SRE Book Without Being Google

July 28, 2023 javi
Centro de datos con racks iluminados

Google’s SRE book is canonical reading but literal application doesn’t scale to small teams. A guide on what to adopt and what to adapt.

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Metodologías Tecnología 

NIS2: What Europe’s New Directive Changes for Cybersecurity

July 10, 2023April 19, 2026 javi
Candado digital simbolizando ciberseguridad

NIS2 expands Europe’s cybersecurity regulation to more sectors and tightens obligations. A practical guide for technical teams.

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Tecnología 

Prometheus: Writing Alerts That Won’t Get Ignored

July 1, 2023April 19, 2026 javi
Dashboard con gráficas de métricas y alertas

A practical guide to writing Prometheus alert rules that reflect real problems rather than noise: symptoms vs. causes, SLOs, and the weight of the watchdog.

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Metodologías Tecnología 

Pixie: Native Kubernetes Observability Powered by eBPF

June 19, 2023April 19, 2026 javi
Panel de observabilidad con métricas de clúster

Pixie uses eBPF to auto-instrument Kubernetes clusters without code changes. A practical guide and comparison with Prometheus + Grafana.

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Arquitectura Tecnología 

Recent Posts

  • Pair programming with AI in 2025: habits that stick
  • vLLM in 2025: the improvements that matter to LLM-serving teams
  • Microsoft’s GraphRAG in enterprise: patterns that work
  • Alignment evaluation: RLHF, DPO, and recent alternatives
  • Gemma 2: Google’s open model one year later
  • o3 in public: the reasoning leap is confirmed
  • Gemini 2.0: integrated tools and agent mode
  • Home lab: self-hosted lab as a testing ground
  • Full-stack TypeScript in 2025: the good, the meh, the bad
  • WASI preview 3: threads and async in WebAssembly
  • AI-assisted code review: an honest adoption story
  • Llama 3.2 at the edge: Meta bets on small
  • Cloudflare Workers in 2025: from edge to enterprise
  • Generics in Go: three years later, what has survived
  • NPU in the PC: faster, cheaper local AI

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