Consumer

Consumer Prefetch and QoS

Learn how RabbitMQ's basic.qos prefetch setting controls how many unacknowledged messages a consumer can hold at once, balancing throughput, fairness, and memo…

Consumer Groups

How Kafka consumer groups distribute partitions across cooperating consumers to scale reads horizontally, and how rebalancing keeps that assignment correct.

Kafka Consumers Explained

How Kafka consumer clients poll for records, track their read position with offsets, and deserialize messages back into usable objects.

Redis Streams

How Redis Streams model an append-only log, and how XADD, consumer groups, and trimming work together for durable event processing.