Archive - Engineering At Scale

Cache Stampede Prevention: Distributed Locking, Pub/Sub, and Request Coalescing

From distributed locks to request coalescing: techniques for coordinating cache rebuilds and preventing cascading failures.

Jun 8 • Animesh Gaitonde

May 2026

Redis Locks: Working, Failure Modes and Real-World Examples

How do reservation systems prevent thousands of concurrent users from booking the same seat?

May 31 • Animesh Gaitonde

March 2026

How Distributed Systems Store Files: Databases, Object Storage, and the Trade-offs

From database BLOBs to object stores — understanding the architecture patterns and when to use each

Mar 22 • Animesh Gaitonde

December 2025

Database Proxies: Connection Management at Scale

How to scale a database to handle 100K connections?

Dec 13, 2025 • Animesh Gaitonde

November 2025

Connection Pooling: Fundamentals, Challenges and Trade-offs

How to handle 10,000 concurrent requests without crashing your database

Nov 29, 2025 • Animesh Gaitonde

October 2025

API Pagination: Techniques, Real-World Applications And Best Practices

Learn how X (Twitter) and Spotify use API pagination to handle massive datasets efficiently

Oct 20, 2025 • Animesh Gaitonde

September 2025

Anatomy of Facebook's 2010 outage: Cache invalidation gone wrong

How a cache validation bug cascaded into Facebook's longest downtime

Sep 2, 2025 • Animesh Gaitonde

May 2025

Library vs Service: Lessons from Netflix's Multi-Year Migration

In-depth framework to choose between a library and a service

May 29, 2025 • Animesh Gaitonde

March 2025

How NGINX's Event-Driven Architecture Handles Million Concurrent Connections ?

Overview of NGNIX's Event Driven Non-Blocking I/O Architecture

Mar 17, 2025 • Animesh Gaitonde

Redis Persistence Dive Deep - Trade-offs Between Performance And Durability

Understanding AOF and RDB strategies, their trade-offs and applications

Mar 2, 2025 • Animesh Gaitonde

February 2025

Scaling Distributed Systems with the Scatter-Gather Pattern

What is Scatter-Gather pattern ? How does it work and its applications

Feb 15, 2025 • Animesh Gaitonde

January 2025

Designing Instagram's Video Uploads: Optimizing for Low Latency and scalability

System Design, Architecture, and Trade-offs in Building a Video Upload Service

Jan 20, 2025 • Animesh Gaitonde