Databases & Storage
How Discord Stores Trillions of Messages
Discord's message storage architecture evolved to handle immense scale, moving from MongoDB to Cassandra and ultimately to ScyllaDB to optimize for low latency and high throughput. This transition highlights the trade-offs between consistency, availability, and performance in distributed database systems.
DatabaseScalingLatencyPerformanceCAP TheoremNoSQLData ModelingEventual ConsistencyCassandraScyllaDB
Practice this topic with AI
Get coached through this concept in a mock interview setting

How Discord Stores Trillions of Messages - System Design Diagram
Ready to practice?
Learn step-by-step with diagrams, or get quizzed by an AI interviewer