RabbitMQ na Kafka zote ni mifumo ya messaging lakini zinatofautiana kimsingi — RabbitMQ ni message broker ya kitamaduni (queues, flexible routing, ujumbe unaotumika na kuondolewa), wakati Kafka ni distributed event log (iliyohifadhiwa, inayoweza kurudiwa, streaming ya throughput ya juu). Zinafaa kwa matumizi tofauti.
Tofauti ya kimsingi
RABBITMQ → a message BROKER (smart broker, simple consumer):
→ messages ROUTED via exchanges, CONSUMED and removed (transient)
→ rich ROUTING (exchange types); per-message handling; push-based
→ for: task queues, complex routing, request/reply, traditional messaging
KAFKA → a distributed event LOG (simple broker, smart consumer):
→ events RETAINED (not removed on consume), replayable; partition-based
→ very high throughput; multiple consumers read the same data; pull-based
→ for: event streaming, high-volume data, pipelines, retention/replay
