The AI App Prototype Works. Now What? The Hard Part Starts After the Demo
Getting an AI prototype to work is becoming easier. A developer can connect a model, build an interface, add retrieval, create an agent workflow, an…
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How Uber Computes Estimated Time of Arrival (ETA)
Short answer: how does Uber compute ETA? Uber snaps noisy GPS pings to the road network (map matching), finds candidate routes on a road graph, and…
WordPress for Enterprise: What Changes When a Website Has to Handle Scale, Security, and Multiple Teams?
WordPress is often introduced as a publishing platform. A team installs it, selects a theme, adds plugins, creates pages, and starts publishing. Tha…
Designing a Backend System That Handles 100K Requests/Second (Without Melting Your Database)
TL;DR Architecture At high level: Global Traffic Routing (Geo DNS / Anycast) Edge Layer (CDN + WAF + Rate Limiting) Load Balancers (L4 + L7) Statele…
Redis Cluster Won't Shard Your Hot Leaderboard
"We use Redis Cluster" can mean two very different things: Our dataset is distributed across Redis nodes. Every individual data structure is distrib…
The Day the Warehouse Burned: Lessons in Cross-Border System Resilience
A fire in a fulfillment center on the far side of the world. It didn't make headlines. But for a cross-border e-commerce operation， it was a quiet c…
Peak Load Is the Steady State
The product drop had been planned for months. The direct-to-consumer subscription business had run three separate load tests, provisioned extra capa…
ggrebalance: Часть 1. Shrink
В статье рассматривается shrink кластера Greengage DB с использованием ggrebalance: архитектура утилиты, FSM-подход, безопасное перераспределение да…
How Databases Impact System Scalability and Speed in Software Engineering
Databases are core to most software systems, and their design directly influences both scalability and performance. Here’s what every engineer shoul…
Kubernetes Admin Seeks to Identify Advanced Concept Gaps for Improved Cluster Management Expertise
Introduction to Advanced Kubernetes Concepts As a self-taught Kubernetes cluster administrator overseeing global, multi-cluster environments, you ha…
Understanding Interfaces, Traits, and Dynamic Method Dispatch: Bridging Theory and Real-World Applications
Technical Reconstruction: Interfaces, Traits, and Dynamic Method Dispatch Main Thesis: Understanding the 'why' behind Interfaces, Traits, and Dynami…
Nonprofit Seeks Cost-Effective Website Alternatives to $15,000 Wix Solution for Complex Features
The $15K Wix Dilemma: Why Nonprofits Should Think Twice A nonprofit employee recently raised a red flag: their organization is considering a $15,000…
I Spent a Decade Chasing Microservices Before Realizing What Scalability Actually Means
A few years ago, I was staring at a red, blinking monitoring dashboard. The system I was looking at had all the modern shiny technology: Kubernetes,…
Why Your AI Workflows Break at Scale—And How to Build Systems That Don't
Why Your AI Workflows Break at Scale—And How to Build Systems That Don't You optimized your AI workflows perfectly—until you scaled them, and sudden…