Picture this: You're in a system design interview, and the interviewer asks, "How would you design an authorization system for a platform like Discord that needs to check if millions…
It's 2 AM, and I'm debugging what should have been a simple feature. My coffee has gone cold, my eyes are burning, and I'm staring at a network tab that…
If you've ever found yourself staring at a massive switch statement or a series of if-else chains that seems to grow longer every time a new requirement comes in, you're…
Introduction In distributed systems, particularly in database design and data storage systems, engineers often face challenging trade-offs. The RUM Conjecture, introduced by Athanassoulis et al. in 2016, provides a framework…
Introduction Monotonic reads is a crucial consistency model in distributed systems that every senior engineer should thoroughly understand, especially when preparing for technical interviews at leading tech companies. This concept…
Introduction If you're preparing for system design interviews at top tech companies, understanding distributed systems concepts is crucial. One fundamental concept that often comes up is quorum-based systems. In this…
Introduction WebSocket provides a powerful way to establish real-time, bi-directional communication between clients and servers. In this post, we'll dive deep into the WebSocket handshake process using TypeScript, making it…
Problem Statement Design a news feed system similar to Facebook's News Feed, where users can: See posts from their friends and followed pages Create new posts (text, images, videos) Like…
As a software engineer with over a decade of experience working on various codebases - from scrappy startups to large enterprise systems - I've learned that well-maintained code isn't just…
Introduction Welcome to our series on system design concepts for tech interview preparation! In this installment, we'll delve into distributed monitoring, a critical aspect of managing large-scale distributed systems. By…