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System Design

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.
 • 
Ashish Pratap Singh
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.
 • 
Ashish Pratap Singh
Sharding vs. Partitioning
What's the difference?
 • 
Ashish Pratap Singh
6
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.
 • 
Ashish Pratap Singh
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.
 • 
Ashish Pratap Singh
5
Top 15 Strategies to Reduce Latency
Latency is the time it takes for a system to respond to a user's action.
 • 
Ashish Pratap Singh
1
What are Webhooks?
Imagine you're building an e-commerce platform and using an external payment processor like Stripe to collect payments from users.
 • 
Ashish Pratap Singh
2
Designing a Scalable “Likes” Counting System for Social Media
At first glance, counting “likes” on a social media post seems simple, just increment a number, right?
 • 
Ashish Pratap Singh
4
What is Change Data Capture (CDC)?
Modern applications often rely on multiple systems (e.g., search engines, caches, data lakes, microservices), all of which need up-to-date data.
 • 
Ashish Pratap Singh
Designing a Distributed Key-Value Store (Step-by-Step)
A key-value store is a simple type of database where data is stored as {key: value} pairs.
 • 
Ashish Pratap Singh
5
How PostgreSQL Works: Internal Architecture Explained
PostgreSQL has emerged as one of the most powerful and versatile open-source relational databases
 • 
Ashish Pratap Singh
 and 
Alexandre Zajac
12
How to Handle Failures in Distributed Systems
In a distributed system, failures aren’t a possibility—they’re a certainty.
 • 
Ashish Pratap Singh
© 2025 Ashish Pratap Singh
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