AWS SQS and SNS: One Stores Work, the Other Fans Out Events
SQS is a pull-based durable queue and SNS is a push-based topic. Reliable fan-out commonly connects one SNS topic to multiple SQS queues rather than sharing one queue across services.
#pub-sub
2 postsRedis 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.