Designing high-throughput enterprise SaaS applications requires careful planning around database query efficiency, container isolation, and caching layers.
1. PostgreSQL Connection Management
In high-concurrency environments, PostgreSQL benefits tremendously from proper connection poolers such as PgBouncer alongside optimized indexing strategies. For multi-tenant databases, schema-per-tenant or row-level tenant filtering must be enforced at the ORM layer.
2. Queueing & Asynchronous Processing
Offload heavy tasks such as PDF generation, transactional email dispatching, and third-party webhook calls to background queue workers.