Kafka - Cluster Architecture
Why is the controller broker critical for Kafka's fault tolerance and cluster stability?
Why is the controller broker critical for Kafka's fault tolerance and cluster stability?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand controller broker's role in cluster stability
The controller manages leader elections and metadata updates, which are essential for fault tolerance.Step 2: Evaluate options based on controller's critical functions
Only managing leader elections and metadata updates ensures consistent cluster state and fault tolerance.Final Answer:
Because it manages leader elections and metadata updates ensuring consistent cluster state -> Option DQuick Check:
Controller criticality = manages leader elections and metadata [OK]
Quick Trick: Controller ensures cluster stability via leader elections and metadata [OK]
Common Mistakes:
- Thinking controller stores all messages
- Assuming controller handles all client connections
- Believing controller balances load
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