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What is an API Throttling A complete, beginner-friendly deep dive into why APIs slow down or reject requests on purpose — how throttling works internally, how to build it, and how the biggest companies in the world use it to stay alive under pressure. 01 · Intro & History02 ·…
What Is a Deadlock in Databases? A complete, beginner-friendly guide to why deadlocks happen, how databases detect and resolve them, and how to design applications that avoid them — with real diagrams, real Java code, and real production lessons from banking, e-commerce, ticketing, ride-sharing, and streaming systems. 01 · Intro…
What Is a Log, in Monitoring Terms? A beginner-to-production guide to logs: what they actually are at the code level, why every serious system produces them, how logging pipelines are built at companies like Netflix and Uber, and how to use logs correctly without drowning in cost or noise. 01…
What Is an API? Understanding the Bridges That Connect Software A complete, ground-up tour of Application Programming Interfaces — what they are, why they exist, how they actually work under the hood, and how the biggest companies in the world run them at massive scale. 01 · Introduction02 · The…
API Composition A deep, beginner-friendly walkthrough of the API Composition pattern — why microservices need it, how it works under the hood, and how companies like Netflix, Amazon, Uber, and Google use it at scale. 01 · Intro & History02 · Problem03 · Core Concepts04 · Architecture05 · Internals06 ·…
What Is An Alert, In Monitoring Terms? A complete, beginner-friendly walkthrough of alerts — what they are, how they are built, how they travel through a monitoring pipeline, and how real engineering teams use them to catch outages before customers do. 01 · Intro & History 02 · Problem &…
What Is a Common Example of a Serverless Service? A complete, beginner-to-production guide to serverless computing — explained from first principles, with real analogies, Java code, architecture diagrams, and lessons from how Netflix, Coca-Cola, iRobot, Capital One, Uber, and Amazon actually use AWS Lambda, DynamoDB, Fargate, and Cloudflare Workers in…
What Is A Common Tool Used For Infrastructure As Code? From ClickOps chaos to version-controlled infrastructure — a beginner-to-production walkthrough of Infrastructure as Code and the tool most engineering teams reach for first: Terraform. With real architecture, real trade-offs, real Java-and-cloud production practice, and every mermaid diagram redrawn as inline…
What Is a Breaking Change in an API? A complete, beginner-to-production guide to understanding, detecting, preventing, and managing breaking changes in APIs — with real Java/Spring Boot examples, diagrams, and lessons from companies like Stripe, GitHub, and AWS. 01 · Introduction02 · The Problem03 · Core Concepts04 · Architecture05 ·…
What Does It Mean for an API to Be Stateless? A complete, beginner-to-production guide to statelessness — the single idea that lets Netflix, Amazon, and Google serve billions of requests a day without falling over. We’ll explain it from first principles, build it in Java/Spring Boot, and show you exactly…