How Reddit Handles Traffic Spikes During Viral Events
When a post goes viral on Reddit, millions of users flood the platform within minutes. Handling such unpredictable and massive traffic spikes…
How Spotify Streams Music to Millions in Real Time: Content Caching, Edge Computing & Adaptive Streaming
Spotify delivers music to over 600 million users worldwide, ensuring smooth, buffer-free playback across different devices and network…
Google Docs Architecture: Real-Time Collaboration with OT vs. CRDTs
When you type in Google Docs, your edits appear instantly to collaborators, even if thousands are online simultaneously. But how does Google…
India vs Pakistan Live Streaming: How JioHotstar Handle Massive Traffic
When India and Pakistan clash on the cricket field, millions of fans tune in for live streaming. Platforms like JioHotstar have to handle tens…
The Technology Behind Uber Real Time Ride Matching and Dynamic Pricing
Uber’s ability to connect millions of riders and drivers in real time is powered by a sophisticated event-driven architecture. From ride…
Scaling Systems from 1,000 to 100 Million Users — Horizontal vs Vertical Scaling
Scaling a system from a small user base to millions of users is a complex challenge that requires careful planning and execution. In this…
Event-Driven Architecture: How Kafka, Pulsar, and RabbitMQ Power Real-Time Systems
Modern applications must process events in real-time to deliver smooth user experiences. Whether it’s financial transactions, IoT device…
Designing Highly Available System: Achieving 99.9999% Uptime
High availability or Highly Available System is critical for modern applications, especially those requiring minimal downtime. Achieving…
How to Design a Global Payment System (Stripe, PayPal, UPI)
Global payment systems like Stripe, PayPal, and UPI have revolutionized how money moves across borders. Building such a system is complex,…
How End-to-End Encryption Works: The Engineering Behind Signal & WhatsApp Security
In an era where privacy is a major concern, end-to-end encryption (E2EE) has become the gold standard for secure communication. Apps like…