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What does the MessagesInPerSec metric in Kafka broker monitoring indicate?

easy🧠 Conceptual Q11 of Q15
Kafka - Monitoring and Operations

What does the MessagesInPerSec metric in Kafka broker monitoring indicate?

AThe number of messages the broker receives per second
BThe number of active connections to the broker
CThe total disk space used by the broker
DThe number of partitions in the broker
Step-by-Step Solution
Solution:

  1. Step 1: Understand the metric name

    The metric MessagesInPerSec literally means messages coming in per second to the broker.

  2. Step 2: Match the metric to its meaning

    This metric counts how many messages the broker receives every second, showing its input load.

  3. Final Answer:

    The number of messages the broker receives per second -> Option A

  4. Quick Check:

    MessagesInPerSec = messages received per second [OK]
Quick Trick: Look for 'In' to find incoming message rate [OK]
Common Mistakes:
MISTAKES
  • Confusing message count with connection count
  • Thinking it measures disk usage
  • Mixing it up with partition count

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