Architecture
Designing a scalable document processing system
Use event-driven architecture and asynchronous processing for enterprise document generation, storage, and metadata handling.
Client
↓
API Service
↓
Kafka Topic
↓
Worker Service
↓
Storage / DMS + PostgreSQL Metadata
Problem
- Blocking API
- Slow response
- Heavy file generation
- Database bottleneck
Key decisions
- Asynchronous processing
- Horizontal worker scaling
- Metadata separation
Benefits
- Non-blocking API
- High throughput
- Fault tolerance