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What is the primary purpose of JMX metrics in Kafka?

easy🧠 Conceptual Q11 of Q15
Kafka - Monitoring and Operations
What is the primary purpose of JMX metrics in Kafka?
ATo configure Kafka brokers dynamically
BTo send messages between Kafka topics
CTo monitor Kafka's internal performance and health
DTo store data permanently in Kafka
Step-by-Step Solution
Solution:

  1. Step 1: Understand JMX metrics role

    JMX metrics provide data about Kafka's internal state and performance.

  2. Step 2: Identify the correct purpose

    Monitoring performance and health is the main use of JMX metrics in Kafka.

  3. Final Answer:

    To monitor Kafka's internal performance and health -> Option C

  4. Quick Check:

    JMX metrics = Monitoring Kafka [OK]
Quick Trick: JMX metrics are for monitoring, not messaging or storage [OK]
Common Mistakes:
MISTAKES
  • Confusing metrics with message sending
  • Thinking JMX configures Kafka brokers
  • Assuming JMX stores Kafka data

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