Left of the Loop: The Kybernetes
The kybernetes was the helmsman who steered a Greek ship, reading the wind and working the steering-oar to hold a course. The word is the root of two …
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GitHub lets enterprises pin Copilot's OpenTelemetry endpoint
Where Copilot's telemetry stream lands, decided centrally GitHub added a control on July 8 that lets an enterprise mandate where the Copilot Chat exte…
I Traced a Multi-Step LLM Agent With Self-Hosted SigNoz. One Feature Sold Me.
Multi-step LLM agents fail in a way normal backends don't. Nothing crashes. The pipeline "works", the answer is just bad, slow or three times more exp…
When an LLM answer is wrong, the trace is where you look. Some tools make that easy.
A user reports a hallucinated answer in prod. To fix it you need the full trace of that one request, and how fast you can pull it depends entirely on …
Mastering Production Reliability: Practical Observability with OpenTelemetry, Prometheus, and GitHub Actions
In modern software engineering, traditional monitoring — simply knowing if a system is up or down — is no longer enough. High-velocity engineering tea…
Tracing, Prometheus metrics, and structured logs with two decorators: Fitz vs the OpenTelemetry setup in FastAPI
For full observability in FastAPI you need 6 pip packages + 60 lines of config + manual glue between logs/spans/metrics. In Fitz it's two decorators a…
The Langfuse migration that cost us a sprint: how I now budget LLM observability
We moved off our first tracer in month eight. The migration took one engineer the better part of a sprint, because the trace data lived in a schema we…
The 1.4 Seconds That Weren't on Any Span
On the morning of June 3rd, a customer on a live call sat through 1.4 seconds of dead air after she finished a sentence, long enough that she said "he…
AI Observability: Logs, Prompts, Tool Calls, And Cost
Here's a five-line function. It calls an LLM, logs the answer, returns it. async function ask ( question : string ) { const res = await openai . respo…
Why is my Node.js app slow? An OpenTelemetry debugging checklist
Node.js makes single-threaded asynchronous I/O cheap. It also makes a single bad pattern in one corner of the codebase capable of slowing the whole pr…
Per-project LLM cost attribution with OTel spans: the wiring
TL;DR. If your LLM bill is one line item on a cloud invoice, you cannot answer "which team spent that." We fixed this by tagging every gateway span wi…
Sidemark: Active Telemetry Comments for C#
OpenTelemetry has quietly become table stakes. That's a good thing, but if you've instrumented a real codebase, you know the tax. A method that does o…
How to Monitor AI Agents in Production
TLDR Monitoring AI agents in production requires distributed tracing: a single user request fans out into 10 or more internal operations, and logs alo…
Custom OpenTelemetry Collector for Oracle WebLogic: Bringing Observability to Enterprise Java
Oracle WebLogic Server powers countless enterprise Java systems. But getting observability out of it has always meant juggling multiple tools, agents,…
A Grafana dashboard for Claude Code on Prometheus
Claude Code emits OpenTelemetry metrics over OTLP. Anthropic publishes the metric names. So all that was missing, if you run a Prometheus-compatible b…