Kafka परम्परागत message queues (जस्तै RabbitMQ) भन्दा मुख्य तरिकामा फरक छ — यो एक distributed log हो जसले events retain गर्छ (consumption मा हटाउनुको सट्टा), replay समर्थन गर्छ, धेरै उच्च throughput प्रदान गर्छ, र pull-based, partition-based मोडल प्रयोग गर्छ। यी भिन्नताहरू बुझ्नुले प्रत्येक कहिले प्रयोग गर्ने भन्ने कुरा स्पष्ट गर्छ।
मुख्य भिन्नताहरू
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
