26 Seconds to Find a Straggler: Fleet v0.10 End-to-End on A100 and GH200
TL;DR Ingero Fleet v0.10 FOSS is live. We validated the full pipeline end-to-end on two 3-node Lambda Cloud clusters: 3x A100 SXM4 (x86_64) and 3x GH2…
Testing & QA
⚑ Report a ProblemLatest Testing & QA news from Tech News
All topics
agents
ai
api
architecture
automation
aws
beginners
career
claude
cybersecurity
devchallenge
devops
discuss
frontpage
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
rust
security
showdev
testing
tutorial
typescript
webdev
Your RAG Eval Set Is Probably Wrong. The Test That Catches It.
Book: RAG Pocket Guide Also by me: LLM Observability Pocket Guide My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code an…
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 …
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…
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…
Public status page guide for SaaS teams selling to enterprise
Enterprise buyers treat a public status surface as a signal of operational maturity—not marketing polish. This guide covers what to publish, how to st…
Structure-Driven Organization Theory #1 — The Concept of Observation
Evaluation is price-setting. Observation is reading. Get the entry point wrong and wherever you arrive, you end up back at evaluation. Why Start With …
Closing the Eval Gap: From Lenient Defaults to Signal That Matters
In the original Eval Gap post , we laid out the problem: the distance between "works in demo" and "works in production" kills AI products. Four mechan…
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…