Tech Articles
Curated developer articles, tutorials, and guides – auto-updated hourly
Marco19m ago • 7 min read
The alarm wasn't silent. It was lying.
This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry. ...
#devchallenge#bugsmash#observability#python
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Li Zhuojun3d ago • 7 min read
"Your cache hit rate is low" — true, and worth $0.16
Anthropic emailed our org last week: prompt cache hit rate is low, and caching repeated content...
#ai#llm#python#observability
3 14
Li Zhuojun3d ago • 10 min read
DeepSeek Harness got append-only right. Its token projection still misses what compaction costs.
Four numbers from a nine-day-old codebase, measured this week across two providers: Summing every....
#ai#llm#opensource#observability
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Jerome1d ago • 9 min read
Synced, Healthy, Running, Wrong
Two days after The Twenty-Hour Fuse, I had seven new alert rules on a four-core ARM box — PSI, swap....
#kubernetes#sre#devops#observability
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Walker Miller2d ago • 7 min read
Measuring retry success: the metric that tells you if retries work
You can't tune a retry strategy you can't see. This is how to instrument retries so you know whether...
#retries#observability#production#cost
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Walker Miller6d ago • 5 min read
Your agent's failures are silent: measuring failure modes in production
Most agent failures don't throw. The run returns a result, exit code zero, and the result is wrong —...
#failuremodes#observability#metrics#production
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DOS AI3d ago • 3 min read
A check that cannot fail is not a check
Two of my guardrails reported clean for weeks. Neither of them was capable of reporting anything...
#testing#devops#webdev#observability
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Raju Dandigam2h ago • 6 min read
From Flat Logs to Execution Trees: Debugging Modern AI Agents
An agent trace is usually written as a sequence of events because append-only data is simple to...
#ai#typescript#observability#testing
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Raju Dandigam5d ago • 5 min read
Why console.log Isn't Enough When Building AI Agents
An AI agent fails, so you add a few log statements: console.log('starting...
#typescript#ai#beginners#observability
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Austin Vance5d ago • 3 min read
Benchmarking Gemini, Claude, and OpenAI for Structured Document Extraction
We benchmarked Gemini, Claude, and OpenAI on handwritten document extraction using LangSmith, compar...
#programming#langchain#observability#ai
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Falgrim786d ago • 8 min read
Tenant Cost Attribution Explained — 3 Fallback Models Behind One Chatbot API
Short answer: for a marketplace SaaS chatbot that reviews code changes, choose the runtime pattern.....
#ai#observability#saas
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Rivenor852d ago • 8 min read
Node.js Marketplace Order SMS — Comparing REST Providers, Templates, and Suppressions
Short answer: for a Node.js gaming marketplace sending new-order notices, choose an SMS provider by....
#node#sms#observability
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Jordan Huang5d ago • 6 min read
Log the Meta, Not the Prompt: A Free Model Observability Job for GitLab CI
One of the most common failures with a free model endpoint in GitLab CI is not a wrong answer. It is...
#gitlab#ai#devops#observability
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Jordan Huang5d ago • 5 min read
Make Free Model CI Jobs Replayable Before You Retry Them
The retry trap A free model CI job fails on a timeout. You click retry. The whole...
#gitlab#cicd#ai#observability
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Finley Zhou4d ago • 5 min read
The Crash Tagger Kept Passing the JSON Contract Until It Didn't: A C++ Drift Ledger for Free Model Labels
At 02:40 the triage queue stopped draining. The worker process was healthy. The Redis length grew......
#cpp#ai#reliability#observability
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JudsonRhodes15696d ago • 6 min read
How to Pick an EU/US App JSON Log API for a Lean Node.js SaaS
Short answer: For a small Node.js SaaS, pick the simplest centralized logging setup that accepts...
#observability#node#logging
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Ricardo Feldhaus Krisanoski3d ago • 3 min read
What I log from AI workflows before I trust the automation
Most AI workflow posts focus on prompts, tools or output quality. Those matter, but they are not th...
#ai#observability#n8n#architecture
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ilya mozerov23h ago • 11 min read
A hold is not a heal
Our monitoring caught an outage immediately. Three separate components identified it correctly, by.....
#sre#monitoring#devops#observability
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AlpeshKumbhare6d ago • 6 min read
AWS Observability in 2026: The Complete Stack — CloudWatch, X-Ray, OpenTelemetry, and Application Signals
A practical guide to the AWS observability stack — covering the three pillars (metrics, logs, traces...
#aws#observability#devops#monitoring
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Tarek E5d ago • 3 min read
Observability - A Counter in RAM, an ID in a Header, and a Batch Export
For a long time, my mental model of observability was this: you import an SDK, sprinkle some calls.....
#observability#opentelemetry#backend
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Walker Miller2d ago • 8 min read
The cost of finding a failure after the customer finds it
An agent's failure isn't expensive because it failed—it's expensive because you found out about it f...
#failuremodes#cost#observability#monitoring
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Alain Airom (Ayrom)16h ago • 14 min read
Building an OpenTelemetry Instrumentation Wizard
Accelerating observability adoption by automating OpenTelemetry instrumentation across heterogeneous...
#opentelemetry#otel#bob#observability
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Walker Miller3d ago • 5 min read
Retry context: building observability into retry decisions
The retry decision (when to give up, how long to wait) only works if you can see inside it. Idempote...
#retries#observability#production#ai
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VaughnKnight31895d ago • 6 min read
Support Catalog Backfill: Moderate Existing Posts and Comments in a Node.js Bulk Job
Per-tenant cost visibility changes the design: don't begin with parallel API calls; begin with a...
#node#llm#observability
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