System Design
Design a Collaborative Document Editor
Asked by:Amazon, Postman
real_timeconsistencystoragemulti_region
Problem Overview & Requirements
Design a Docs-like editor with low-latency coauthoring, convergence, version history, presence, and permissions.
Key Pillars: High Availability, Low Latency, Scalability, Fault Tolerance.
Topics & Components: real_time, consistency, storage, multi_region.
System Design Breakdown
1. Requirements & Scope
Functional & non-functional requirements, DAU/MAU estimates, read/write throughput.
2. High Level Architecture
API Gateway, Load Balancers, Application Microservices, Caching Layer & Message Queue.
3. Data Model & Storage
SQL vs NoSQL selection, schema design, sharding keys, indexing, and replication strategy.
4. Bottlenecks & Trade-offs
CAP theorem trade-offs, consistency models, rate limiting, and cache invalidation strategies.