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I Built a Small API Gateway With Real Production Problems — On Purpose

Praveen Yadav3d ago • 11 min read

I Built a Small API Gateway With Real Production Problems — On Purpose

A Spring Cloud Gateway demo with three-bucket Redis rate limiting, Resilience4j circuit breakers wit...

#java#springboot#microservices#observability

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Guardrails for an AI Presenter: Spend Gates, Wasted Renders, and Logs a Redeploy Wipes

Humza Tareen6d ago • 5 min read

Guardrails for an AI Presenter: Spend Gates, Wasted Renders, and Logs a Redeploy Wipes

Eight PRs closing out a QA pass on an AI presenter tool: a flaky call that silently disarmed a spend...

#aipresenters#reliability#costengineering#observability

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A perfect separation in your data is a bug in your instrument

ilya mozerov5d ago • 6 min read

A perfect separation in your data is a bug in your instrument

I have a poller that watches a wifi link. Every 60 seconds it asks "are we associated?", and when th...

#monitoring#sre#debugging#observability

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Building a Six-Reference Sweep: An Eval Harness for AI Video Generation

Humza Tareen6d ago • 12 min read

Building a Six-Reference Sweep: An Eval Harness for AI Video Generation

Packaging a render-six-references-and-measure workflow into a reusable skill for an AI ad generator,...

#aievaluation#videogeneration#observability#costengineering

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I fixed the sensor and silently broke the alarm above it

ilya mozerov2d ago • 8 min read

I fixed the sensor and silently broke the alarm above it

We had a CPU frequency sensor that had printed two lines in its entire life. Both said...

#linux#observability#monitoring#performance

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The Plan Gate Contradiction Chain: When a Planner Is Blind to Its Own Grading Criteria

Humza Tareen6d ago • 7 min read

The Plan Gate Contradiction Chain: When a Planner Is Blind to Its Own Grading Criteria

A recurring bug class in an AI ad planner: the plan and the gate meant to check it disagree, a role ...

#aiplanning#promptengineering#videogeneration#observability

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What Paid Runs Found: Reconciling a Video Pipeline's Cost Ledger

Humza Tareen6d ago • 8 min read

What Paid Runs Found: Reconciling a Video Pipeline's Cost Ledger

Real money billed at $0, a resume path that silently re-decided a paid render's settings, a $0.82 me...

#costengineering#observability#videogeneration#typescript

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Building an Events Table for Pipeline Observability

Humza Tareen6d ago • 8 min read

Building an Events Table for Pipeline Observability

How I built a unified events timeline that aggregates four heterogeneous data sources — GCS manifest...

#observability#pipeline#typescript#gcs

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Observability in the Next.js App Router: Field Notes on instrumentation.ts, onRequestError, and the Trace That Leaked Across Requests

Ahmed Mahmoud20h ago • 6 min read

Observability in the Next.js App Router: Field Notes on instrumentation.ts, onRequestError, and the Trace That Leaked Across Requests

Headline: Next.js's instrumentation.ts file and its onRequestError hook give the App Router real...

#nextjs#opentelemetry#observability#webdev

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Hardening a Video Planner: Contradiction Gates, Dead Code, and a Scorer That Can Disagree

Humza Tareen6d ago • 6 min read

Hardening a Video Planner: Contradiction Gates, Dead Code, and a Scorer That Can Disagree

Auditing an AI ad planner for failures that report success: a candidate frame scorer dormant in prod...

#aiplanning#observability#codequality#videogeneration

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"Log this once" is a tense change, not a rate limit

ilya mozerov3d ago • 10 min read

"Log this once" is a tense change, not a rate limit

A sensor on my machine returned nothing at all — empty stdout, empty stderr, exit code 2 — on every....

#bash#sre#observability#monitoring

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Your outage monitor under-counts outages and over-states their length, at the same time

ilya mozerov5d ago • 11 min read

Your outage monitor under-counts outages and over-states their length, at the same time

I have a poller that watches a wifi link. Every 60 seconds it asks "are we associated?" — if not, it...

#monitoring#sre#observability#networking

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Structured Logging in Next.js with Pino (Request IDs to stdout)

Iurii Rogulia3d ago • 9 min read

Structured Logging in Next.js with Pino (Request IDs to stdout)

Structured logging in Next.js with pino: JSON to stdout, a per-request x-request-id, a wrapper that ...

#nextjs#typescript#pino#observability

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The healthy run is the one nobody instrumented

Unmanned Ops4d ago • 3 min read

The healthy run is the one nobody instrumented

Every failure in our unattended pipeline has a paper trail. Stack traces, retry counts, timing...

#automation#ai#observability#devops

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Vercel CLI overhaul: DNS, domains, project management

The Dev Signal4d ago • 5 min read

Vercel CLI overhaul: DNS, domains, project management

This week's tooling news is largely a Vercel story—CLI expansions, observability upgrades, sandbox.....

#ai#devtools#programming#observability

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CloudWatch EMF Explained Simply: How to Emit Zero‑Overhead Custom Metrics from Your AI Node.js Service

Dinesh_gowtham17h ago • 8 min read

CloudWatch EMF Explained Simply: How to Emit Zero‑Overhead Custom Metrics from Your AI Node.js Service

Most engineers reach for the CloudWatch Metrics API and end up writing extra SDK calls that add...

#cloudwatch#node#ai#observability

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Simple Hosted Metrics Dashboard API Explained (for Small Node.js SaaS with Postgres)

OttmarJohansson69244d ago • 7 min read

Simple Hosted Metrics Dashboard API Explained (for Small Node.js SaaS with Postgres)

Choice Setup burden Incident evidence Best fit Hosted metrics API Low Good if event context is.....

#observability#node#postgres

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The report was there every day. Nobody read it.

Unmanned Ops6d ago • 2 min read

The report was there every day. Nobody read it.

We built a small pipeline that publishes a post once a day, if there's something ready to publish......

#ai#agents#automation#observability

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Gaming Delivery Cloud Logging: Compare 5 EU/US Pricing Options for Startup Apps

DorianVale915836d ago • 6 min read

Gaming Delivery Cloud Logging: Compare 5 EU/US Pricing Options for Startup Apps

Short answer: choose hosted cloud logging by testing whether it can reconstruct one failed...

#observability#logging#startup

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Cheapest App Log Management for Startups in Europe and the US

YancySterling6529Aug 24, 2026 • 6 min read

Cheapest App Log Management for Startups in Europe and the US

Short answer: the cheapest log management choice is the one that preserves enough structured context...

#observability#logging#startup#devops

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Agent Runs Fail Quietly. Here's the Trace Harness I Use to Find Out Why.

Riley Wang5d ago • 4 min read

Agent Runs Fail Quietly. Here's the Trace Harness I Use to Find Out Why.

Last week, an agent "fixed" a failing test. It deleted the test file instead. The run log said...

#ai#agents#observability#python

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Serguey Shinder3d ago • 2 min read

Tes journaux sont une scène de crime

Le jour où quelque chose tourne mal en production, tes journaux sont une scène de crime. Et comme su...

#sysadmin#devops#francais#observability

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Your test's OOM kill and a real one look identical — stop telling them apart by size

ilya mozerov6d ago • 5 min read

Your test's OOM kill and a real one look identical — stop telling them apart by size

At 13:33 today a real job on my machine was killed by the kernel for exceeding its memory...

#sre#observability#linux#monitoring

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LLMOps for Compound AI Systems — Observability & Cost

Nainik Mehta5d ago • 4 min read

LLMOps for Compound AI Systems — Observability & Cost

Why most GenAI pilots crumble after launch Most GenAI pilots don't fail because the models...

#llmops#observability#orchestration#caching

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