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How can you combine event sourcing with CQRS (Command Query Responsibility Segregation) in Kafka?

hard📝 Application Q9 of 15
Kafka - Event-Driven Architecture
How can you combine event sourcing with CQRS (Command Query Responsibility Segregation) in Kafka?
AUse CQRS only for event replay, not for queries
BStore commands and queries in the same Kafka topic
CIgnore event sourcing when using CQRS
DUse event sourcing for commands and separate read models for queries
Step-by-Step Solution
Solution:

  1. Step 1: Understand CQRS with event sourcing

    CQRS separates command handling (writes) from query handling (reads).

  2. Step 2: Apply to Kafka

    Event sourcing handles commands; read models are built separately for queries.

  3. Final Answer:

    Use event sourcing for commands and separate read models for queries -> Option D

  4. Quick Check:

    CQRS + event sourcing = separate command and query models [OK]
Quick Trick: Separate write events from read views in CQRS [OK]
Common Mistakes:
  • Mixing commands and queries in one topic
  • Ignoring event sourcing in CQRS
  • Using CQRS only for replay

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