Consider two Kafka clusters in active-active mode replicating topic 'orders'. If a message is produced to cluster A, what happens next?

medium📝 Conceptual Q4 of 15

Kafka - Multi-Datacenter and Replication

AThe message is replicated to cluster B to keep data consistent.

BThe message is only stored in cluster A and not replicated.

CThe message is deleted from cluster A after replication.

DThe message causes cluster B to shut down.

Step-by-Step Solution

Solution:

Step 1: Understand replication in active-active
Active-active clusters replicate data to keep both clusters consistent.
Step 2: Apply to message produced to cluster A
The message is sent to cluster A and then replicated to cluster B.
Final Answer:
The message is replicated to cluster B to keep data consistent. -> Option A
Quick Check:
Active-active replication = B [OK]

Quick Trick: Active-active replicates messages between clusters [OK]

Common Mistakes:

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