How can you combine Kafka AdminClient and ZooKeeper to ensure high availability of controller broker monitoring in a distributed system?

hard📝 Application Q9 of 15

Kafka - Cluster Architecture

AUse only AdminClient polling; ZooKeeper is not involved in monitoring

BUse AdminClient to get controller ID and ZooKeeper watches to get notified on controller changes

CUse ZooKeeper to elect controller and AdminClient to restart it

DUse AdminClient to manage ZooKeeper nodes directly

Step-by-Step Solution

Solution:

Step 1: Understand roles of AdminClient and ZooKeeper
AdminClient queries Kafka metadata; ZooKeeper manages cluster state and can notify on changes.
Step 2: Combine both for robust monitoring
Use AdminClient to get current controller ID and ZooKeeper watches to get notified immediately on changes.
Final Answer:
Use AdminClient to get controller ID and ZooKeeper watches to get notified on controller changes -> Option B
Quick Check:
Combine AdminClient polling and ZooKeeper watches for HA monitoring [OK]

Quick Trick: Combine AdminClient and ZooKeeper watches for reliable monitoring [OK]

Common Mistakes:

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