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What is the main purpose of the event sourcing pattern in Kafka?

easy📝 Conceptual Q11 of 15
Kafka - Event-Driven Architecture
What is the main purpose of the event sourcing pattern in Kafka?
ATo save every change as an event for a full history
BTo delete old data to save storage space
CTo process only the latest state without history
DTo send events only to one consumer
Step-by-Step Solution
Solution:

  1. Step 1: Understand event sourcing concept

    Event sourcing means saving every change as a separate event instead of just the current state.

  2. Step 2: Relate to Kafka usage

    Kafka topics store these events so consumers can read the full history and rebuild state if needed.

  3. Final Answer:

    To save every change as an event for a full history -> Option A

  4. Quick Check:

    Event sourcing = full history saved as events [OK]
Quick Trick: Event sourcing always stores all changes, not just current state [OK]
Common Mistakes:
MISTAKES
  • Thinking event sourcing deletes old data
  • Believing it only keeps latest state
  • Assuming events go to only one consumer

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