Redis
Redis is the caching layer that reduces database load and brings response times down to milliseconds. Our go-to solution for session management, rate limiting and job queues with BullMQ.
Features
- In-memory key-value store
- TTL-based caching
- Pub/Sub messaging
- BullMQ job queues
- Distributed lock mechanism
- HA with Cluster & Sentinel
Use Cases
- API response caching
- User session management
- Rate limiting & DDoS protection
- Background task queues
- Leaderboards and ranking
Deep Dive
High-Speed Caching with Redis
Redis (Remote Dictionary Server) is an open-source data structure store that runs in RAM. Capable of millions of operations per second, Redis is ideal for caching database queries, managing sessions and real-time communication with pub/sub patterns.
In Detartech projects we deploy Redis across multiple layers. We store API responses and database queries with TTL-based caching, reducing database load by 60–80% for repeated queries. We manage task queues via the BullMQ library, processing background tasks such as email sending, report generation and webhook delivery asynchronously. We also prefer Redis for rate limiting and distributed lock implementations.
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