OpenTelemetry in Production: Traces, Context, and What Actually Matters
Why OpenTelemetry Won Three years ago, the observability landscape was fragmented. Jaeger for tracing, Prometheus for metrics, Fluentd for logs, each …
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AI agents are opaque. Jaeger v2 + OTel GenAI conventions are the fix.
AI agents are distributed systems. They fan out across LLM calls, tool invocations, memory lookups, and multi-step reasoning loops — often asynchronou…
What an event-driven agent pipeline looks like when you trace it end-to-end
In an earlier post I argued that event-driven agents reduce scope, cost, and decision dispersion because they narrow the decision space before the mod…
Production GPU Training is 34% Slower. Show Me Why
A single slow GPU – a straggler – in a 1,000-node training cluster idles 999 healthy GPUs at every AllReduce barrier. The job does not crash. There is…
OpenTelemetry eBPF Instrumentation (OBI) — The Complete Guide: KubeCon EU 2026 Beta Launch, Zero-Code Observability, and the 1.0 GA Roadmap
OpenTelemetry eBPF Instrumentation (OBI) — The Complete Guide: KubeCon EU 2026 Beta Launch, Zero-Code Observability, and the 1.0 GA Roadmap Published …
Prometheus at Scale: Surviving the Cardinality Cliff
The Day Prometheus Fell Over Prometheus memory usage spiked from 8GB to 32GB overnight. OOM-killed. Monitoring was down for 20 minutes while we scramb…
The 4 Signals That Actually Predict Production Failures - Part 2
A practical guide In the first part , I covered the two initial signals to diagnose that something is wrong : Latency Traffic Those two alone explain …
CubeAPM: Evaluating a New Relic Alternative for Cost, Control, and Scale
*Originally published on cubeapm.com As organizations adopt cloud-native architectures, Kubernetes, and microservices, systems have become more distri…
How to Use APM Tools Effectively
TL;DR APM = metrics + traces + logs — Use all three together. Auto-instrument first — Agents cover HTTP, DB, queues. Add custom tags ( order_id , cust…
From $50K/Year of Datadog to $0/Year of Self-Hosted Observability: The Migration Every Team Is Doing in 2026
Book: Observability for LLM Applications — paperback and hardcover on Amazon · Ebook from Apr 22 Also by me: Thinking in Go (2-book series) — Complete…
Debugging an LLM Bug at 3 AM: The Runbook I Wish I'd Had
Book: Observability for LLM Applications — paperback and hardcover on Amazon · Ebook from Apr 22 My project: Hermes IDE | GitHub — an IDE for develope…
Why event-driven agents reduce scope, cost, and decision dispersion
Why event-driven agents reduce scope, cost, and decision dispersion Most agent systems do not control their costs because they spend tokens letting th…
Your Observability Stack Is Probably a Mess (And You're Not Alone) 📊
The State of Observability 2026 report is out — here's what 407 DevOps engineers and SREs actually told us. Let's be honest. Most of us are juggling m…
Как мы строим Tinder для автомобилей: для обмена авто на авто, архитектура Go-монолита за 3 месяца
Я Шевкопляс Дмитрий, технический руководитель проекта Swapno — сервис для обмена автомобилями ключ-в-ключ, без дилеров. Механика — как в Tinder: свайп…
Кто мониторит монитор? Рекурсивная задача, у которой нет чистого решения
У вас есть Grafana. Она показывает графики с Prometheus. Prometheus скрейпит метрики с ваших сервисов. Если сервис упал — вы видите красный на дашборд…
Observability Engineering in Production Systems: Structured Logging, Metrics, and Distributed Tracing at Scale
How Observability Engineering Cut Incident Response Time by 85% in Production Part 1 of 3: Structured Logs and Correlation IDs Part of a three-part se…
Let’s Encrypt Removed Expiry Warning Emails - Here’s How We Monitor Certificates Proactively with RealLoad
For many teams, Let’s Encrypt expiry reminder emails were a quiet but important safety net. When those reminders stopped, something subtle changed: Ce…
TGI - Text Generation Inference - Install, Config, Troubleshoot
Text Generation Inference (TGI) has a very specific energy. It is not the newest kid in the inference street, but it is the one that already learned h…
Next-Level Observability with OpenTelemetry
When something goes wrong in my applications, logging is almost always the first tool I reach for. I'll throw a few log statements at the start and en…
Implementing Visual Audit Trails for LLM Agents in Production — A Step-by-Step Guide
Implementing Visual Audit Trails for LLM Agents in Production — A Step-by-Step Guide Your LLM agent is live in production. It's handling 500+ customer…