Kafka inatofautiana na message queues za kawaida (kama RabbitMQ) kwa njia muhimu — ni log iliyosambazwa ambayo huhifadhi events (badala ya kufuta wakati wa matumizi), inasaidia replay, inatoa throughput ya juu sana, na inatumia mfumo wa pull-based, wa partition. Kuelewa tofauti kunafafanua ni lini la kutumia kila kimoja.
Tofauti muhimu
TRADITIONAL QUEUE (e.g. RabbitMQ) → messages are typically DELETED once consumed:
→ a message goes to a consumer and is removed (transient)
→ push-based often; rich routing; per-message acknowledgment
KAFKA → a durable, retained LOG of events:
→ events are STORED (retained for a period), NOT deleted on consumption
→ multiple consumers/groups can read the SAME events independently
→ REPLAY → re-read past events (rewind to any offset)
→ pull-based; partition-based ordering and scaling; very high throughput
