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tech guide

BullMQ: The Most Mature Redis-Backed Job Queue for Node.js

BullMQ is the most mature job queue in the Node.js ecosystem, backed by Redis, with support for priorities, retries, scheduling, and delayed jobs. DaoDao uses it to handle notification delivery and practice auto-completion scheduling.

tech guide

Redis Essentials: Caching, Sessions, and Pub/Sub in One Go

Redis is an in-memory key-value store that's blazingly fast. DaoDao uses it to handle three responsibilities at once — API caching, session storage, and BullMQ job queues — all from a single Redis instance.