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What is the main difference between active-passive and active-active Kafka cluster setups?

easy📝 Conceptual Q1 of 15
Kafka - Multi-Datacenter and Replication
What is the main difference between active-passive and active-active Kafka cluster setups?
AActive-passive clusters require manual failover, active-active clusters never fail.
BActive-passive has one active cluster and one standby, active-active has both clusters active simultaneously.
CActive-passive clusters share data equally, active-active clusters do not share data.
DActive-passive clusters use different topics, active-active clusters use the same topic.
Step-by-Step Solution
Solution:
  1. Step 1: Understand active-passive setup

    In active-passive, one cluster handles all traffic while the other waits as a backup.
  2. Step 2: Understand active-active setup

    In active-active, both clusters handle traffic simultaneously and replicate data.
  3. Final Answer:

    Active-passive has one active cluster and one standby, active-active has both clusters active simultaneously. -> Option B
  4. Quick Check:

    Active-passive vs active-active = C [OK]
Quick Trick: Active-active means both clusters work at the same time [OK]
Common Mistakes:
MISTAKES
  • Thinking active-passive shares data equally
  • Assuming active-active clusters never fail
  • Confusing topic usage between setups

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