Enforcing a concrete performance budget for Expo EAS builds and OTA updates
The situation Say you are a mobile engineer on a small React‑Native team that uses Expo Application Services (EAS) for CI‑driven builds and over‑the…
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Two-Plane Observability on Google Cloud: Signal Contracts, Alert Policies and a Hexagonal Dispatcher
We stopped learning about production failures from other teams by splitting observability into two planes: telemetry that's always on, and notificat…
Password Reset Email Deliverability Explained: Custom Domain Setup Through Template Ownership
Short answer: the best password-reset email setup is the one in which your team owns the message contract, your sending system owns authentication a…
Generated Promo Videos API: Store and Expire Game Assets with Telemetry
To store and expire generated promo videos safely, make retention part of the API record instead of relying on a storage folder and a cleanup timer.…
LangSmith: Essential Observability for LLM Applications in 2026
LangSmith: The Essential Observability Platform for LLM Applications Introduction Building reliable LLM applications is fundamentally different from…
LangSmith: The Essential Observability Platform for LLM Applications
LangSmith: The Essential Observability Platform for LLM Applications Introduction Building reliable LLM applications is fundamentally different from…
Generate Marketplace Video Thumbnails Through an API (With Stored Poster Frames)
A game marketplace has an awkward publishing constraint: the image representing a seller's video must be moderated before the listing becomes visibl…
Gaming Email API Evidence — Bounce Handling, Complaint Suppression, Delivery Monitoring
For a gaming password-reset flow, choose an email API by the evidence it lets your team retain, not by the length of its feature list. TL;DR: requir…
How to Choose an Email Deliverability Service: 3 Custom-Domain Warmup Checks
A password-reset email has a short useful life. That operational constraint changes the vendor decision: choose the simplest system that can authent…
My drift board learned to say "I don't know". Here is what it still cannot say.
Archival copy of record, committed before this post: https://github.com/Tania-coder/SEISMOGRAPH/blob/main/docs/reports/2026-09-22-weather-report-02.…
Send Order Shipped Event Email and SMS Reports (With Actionable Delivery Alerts)
The page fires because a gaming studio's order shipped event should send an email notification with a generated report attached, plus an SMS notice,…
LLM Observability & Evaluation Tools: A Practical Guide for Small Teams
LLM Observability & Evaluation Tools: A Practical Guide for Small Teams You shipped the GPT-powered feature. Users are hitting it. And now you'r…
Zero-Code OpenTelemetry Tracing for Dagster
If you run Dagster pipelines in production, you've probably wanted distributed tracing at some point — seeing exactly how long each op/asset took, h…
LLM Observability 2026: Why Traditional Monitoring Is Blind to AI Systems
When a classic microservice fails, the error is visible: an exception is thrown, an HTTP status code is not 2xx, a metric spikes. When an LLM-based…
Expiry Windows: Node.js Email Status, SMS Escalation, and Event Traces
TL;DR: For Node.js event notifications, send transactional email first, poll its delivery status, and use SMS fallback only while the password-reset…
Open-Source Oracle Database Performance History with PostgreSQL and Grafana
Oracle databases expose a huge amount of performance information through dynamic performance views. The difficult part is not obtaining a metric at…
How do you turn traces into a training dataset?
If you're running agents in production, you already have a training dataset sitting in your traces and most teams never look. Here's the four-stage…
Your Observability Bill Is a Codebase Nobody Reviews
It started with one $120K/year config fix. By the time I stopped asking questions, it was $150K+/year in waste — and a FinOps framework I wish I'd h…
Debugging AI Apps Shouldn't Mean Grepping Five Dashboards — Introducing Obyflow
Something broke in your app last night. A checkout flow failed, an LLM call timed out, a vector search came back empty — you don't know which, and y…
LLM Observability: What to Measure and Where to Instrument It
TL;DR LLM observability captures execution traces, operational metrics, and contextual logs across non-deterministic model calls where traditional H…
A Node.js SaaS App Field Guide to Lean KPI Telemetry and Hosted Dashboards
Short answer: For a Node.js SaaS app, start with a hosted metrics path only when the dashboard needs aggregate trends, bounded dimensions, and opera…
Structured Logging in Next.js with Pino (Request IDs to stdout)
A request failed in production at 02:14 and the only thing you have is console.log("error", err) somewhere in a route handler. You cannot tell which…
The Observability Crisis: Why OTel Alone Fails for AI and How to Build a Resilient Pipeline
Originally published on tamiz.pro . Observability in software engineering has long been the domain of metrics, traces, and logs. OpenTelemetry (OTel…
A Reason Code Without a Source Is Half a Diagnostic
A failure message can be technically correct and still be frustratingly incomplete. Consider a timeout. It tells us something important about the fa…
The $11k cloud bill was mostly the tools you added to watch the cloud bill
A startup with only six engineers calculated the cost of their monthly cloud bill to be $11,847. The majority of the data generated was not from the…
Marketplace Call Summarization API: Multiple Documents, Async Jobs, Verified CRM Exports
TL;DR For marketplace sales calls, use an async job when several documents must become one reviewed set of CRM actions; use an inline request only w…
Feature Flags API: React Polling and Defensive Defaults for Delivery Status
Short answer: use a feature flags API as a polled configuration source for a React support console, ship fallback config with the frontend, and keep…
Why console.log Isn't Enough When Building AI Agents
An AI agent fails, so you add a few log statements: console . log ( ' starting agent ' ); console . log ( ' tool result ' , result ); console . log…
Your eval monitor fired on four days this week. At your sample size, that was the most likely count
A team I compared notes with recently runs continuous evals on production traffic: an LLM judge scores a sample of traces, the scores land on a dash…
Agentic DevOps Needs Observability: Trace GitHub Copilot with OpenTelemetry
Agentic DevOps Needs Observability: Trace GitHub Copilot with OpenTelemetry An agent can read files, call a model, run tools, delegate to a subagent…