Summary of How Razorpay scaled their notification system

00:00:00 - 00:15:00

Razorpay scaled their notification system by prioritizing incoming load, rebuilding their architecture, and using separate queues for different priority levels. This allowed them to guarantee delivery of all notifications and meet their SLAs.

• 00:00:00 Razer Pay's notification system is designed to ensure that notifications are sent to users within a certain amount of time. The system is built on a high level architecture and key design decisions are made along the way. The course, which is enrolling 800+ Engineers, covers system design from the first principles.
• 00:05:00 Razorpay scaled their notification system by prioritizing incoming load and rebuilding their architecture in a way that avoids scaling issues. Their new architecture includes persisting outbound communication in a database to ensure guaranteed delivery.
• 00:10:00 Razorpay's notification system uses separate queues for different priority levels, so that transactional messages are always handled efficiently. Additionally, the rate limiting system helps prevent abusive customers from impacting other customers' messages.
• 00:15:00 In this YouTube video, a foreign engineering team discusses how Razorpay scaled their notification system. The team discusses the importance of end-to-end visibility in order to ensure that all notifications are sent in a timely manner and that the company's SLA are met.