News

Production Observability for Multi-Agent AI (with KAOS + OTel + SigNoz)

Multi-agent AI systems introduce unpredictable latency, tool calls, and agent delegation that traditional logging cannot explain....

Symfony 7.4: 10 Advanced Logging Patterns You Should Know About

The “Black Box” Recorder: FingersCrossed Handler is a way to record logs when an error occurs. The “Payment” Log is a dedicated fi...

The HackerNoon Newsletter: Swift: Master of Decoding Messy json (2/26/2026)

Why Prometheus and OpenTelemetry Finally Joined Forces

Discover how Prometheus 3.0 and OpenTelemetry ended years of technical friction to create a unified observability standard for mod...

When Your Metrics Lie: The Illusion of Observability

Green dashboards don't mean healthy users. Most teams monitor infrastructure (CPU, memory, disk) instead of outcomes (checkout suc...

When Cloud Bills Crash the System: Cost as a Reliability Issue

Cloud cost and system reliability are the same problem viewed through different instruments. Cost anomalies surface bugs, retry st...

How I Built a 1 GB Observability Stack for My Go Startup Using Prometheus, Loki,...

I needed observability for my Go Telegram bot running on a free VPS with only 4 GB of RAM, where the app already used ~2 GB. After...

Agent Observatory Earns a 56 Proof of Usefulness Score by Making AI Agents Obser...

Agent Observatory is a lightweight, fail-open observability library that helps teams trace and debug AI agents in production witho...

2 Billion Requests, 100ms Deadlines, $10k a Month: Engineering a Lean Global RT...

Inside a lean RTB system processing 350M daily requests with sub-100ms latency, built by a 3-person team on a $10k cloud budget.

Distributed Tracing in Spring Boot Without OpenTelemetry

You do not need OpenTelemetry SDKs to get distributed tracing in Spring Boot. Generate your own trace IDs at the boundary, propaga...

Meet Catchpoint: HackerNoon Company of the Week

This week, HackerNoon features Catchpoint, the internet performance monitoring platform used by Google, LinkedIn, Tencent, and man...

Stop Hunting Logs: How OpenTelemetry Brings Metrics, Logs, and Traces Together

OpenTelemetry is a Kubernetes tool that gives you vendor-neutral instrumentation libraries and a Collector that receives, processe...