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In an active-passive Kafka cluster, a user reports that failover did not happen automatically. What could be the problem?

medium📝 Conceptual Q7 of 15
Kafka - Multi-Datacenter and Replication
In an active-passive Kafka cluster, a user reports that failover did not happen automatically. What could be the problem?
APassive cluster is actively handling traffic.
BActive cluster is still healthy and processing messages.
CFailover automation is not configured or enabled.
DKafka does not support failover.
Step-by-Step Solution
Solution:

  1. Step 1: Check failover configuration

    Failover requires automation setup; without it, failover won't happen automatically.

  2. Step 2: Verify cluster states

    If active cluster is healthy, failover won't trigger; passive cluster should not handle traffic.

  3. Final Answer:

    Failover automation is not configured or enabled. -> Option C

  4. Quick Check:

    Failover not automatic cause = A [OK]
Quick Trick: Enable failover automation for active-passive [OK]
Common Mistakes:
  • Assuming failover happens without config
  • Thinking passive cluster handles traffic
  • Believing Kafka lacks failover support

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