Kafka पारंपरिक message queues (जैसे RabbitMQ) से मुख्य तरीकों से अलग है — यह एक distributed log है जो events को retain करता है (consumption पर मिटाने के बजाय), replay का समर्थन करता है, बहुत high throughput प्रदान करता है, और एक pull-based, partition-based model का उपयोग करता है। अंतरों को समझना यह स्पष्ट करता है कि प्रत्येक का उपयोग कब करना है।
मुख्य अंतर
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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