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System Design

Designing a Distributed Rate Limiter
A rate limiter is a mechanism used to control the number of requests or operations a user, client, or system can perform within a specific time window.
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Ashish Pratap Singh
What are JSON Web Tokens (JWTs)?
A JWT (JSON Web Token) is a compact, URL-safe token (a JSON object) used to securely transmit information between two parties, typically a client and a…
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Ashish Pratap Singh
7
Design a Web Crawler - System Design Interview
A web crawler (also known as a spider) is an automated bot that systematically browses the internet, following links from page to page to discover and…
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Ashish Pratap Singh
2
Strong vs. Eventual Consistency
In today’s distributed systems, data is almost never stored in a single place.
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Ashish Pratap Singh
1
Top 10 WebSocket Use Cases in System Design
Real-time features are everywhere—chat apps, live dashboards, collaborative editors, multiplayer games.
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Ashish Pratap Singh
10 Must-Know Database Types for System Design Interviews
Choosing the right database is one of the most critical decisions you’ll make in a system design interview.
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Ashish Pratap Singh
2
Why is Redis so Fast and Efficient?
despite being single-threaded
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Ashish Pratap Singh
7
Designing a Proximity Service like Yelp
Services like Yelp, Zomato, or Google Maps have become an essential part of how we discover the world around us.
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Ashish Pratap Singh
4
Design Google Docs - System Design Interview
Google Docs is a cloud-based word processor that allows multiple users to create, edit, and share documents in real-time via a web or mobile interface.
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Ashish Pratap Singh
Sharding vs. Partitioning
What's the difference?
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Ashish Pratap Singh
8
Designing Social Media News Feed System
When you open your favorite social media app like Instagram, Facebook, LinkedIn or Twitter, you're instantly shown a personalized stream of posts.
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Ashish Pratap Singh
3
How Databases Guarantee Durability (Even After Crashes)
One of the things that make databases truly powerful is their ability to protect your data even in the face of unexpected failures.
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Ashish Pratap Singh
5
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