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Which of the following is the correct way to identify a Kafka JMX metric?

easy📝 Syntax Q12 of Q15
Kafka - Monitoring and Operations
Which of the following is the correct way to identify a Kafka JMX metric?
AUsing a topic name and partition number
BUsing a unique ObjectName and attribute
CUsing a consumer group ID
DUsing a broker ID and port number
Step-by-Step Solution
Solution:

  1. Step 1: Recall JMX metric identification

    Each JMX metric is accessed by a unique ObjectName and attribute in Kafka.

  2. Step 2: Compare options

    Only Using a unique ObjectName and attribute correctly describes the identification method for JMX metrics.

  3. Final Answer:

    Using a unique ObjectName and attribute -> Option B

  4. Quick Check:

    JMX metric ID = ObjectName + attribute [OK]
Quick Trick: JMX metrics use ObjectName and attribute, not topic or group IDs [OK]
Common Mistakes:
MISTAKES
  • Mixing JMX metric IDs with Kafka topic or consumer IDs
  • Confusing broker info with metric identifiers
  • Assuming partition number identifies metrics

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