[Solved] Which Kafka topic setup correctly follows the CQRS pattern? — Ans: One topic for commands and a separate topic for events | Kafka

Kafka - Event-Driven Architecture

Which Kafka topic setup correctly follows the CQRS pattern?

AOne topic for all commands, events, and queries

BOne topic for commands and a separate topic for events

CMultiple topics for queries only

DNo topics, just direct database writes

Step-by-Step Solution

Solution:

Step 1: Recall CQRS topic separation
CQRS uses separate topics for commands (writes) and events (results of commands) to keep communication clear.
Step 2: Evaluate options
One topic for commands and a separate topic for events correctly separates commands and events into different topics, matching CQRS principles.
Final Answer:
One topic for commands and a separate topic for events -> Option B
Quick Check:
Separate topics for commands and events = One topic for commands and a separate topic for events [OK]

Quick Trick: Separate commands and events into different topics [OK]

Common Mistakes:

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