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Which key metric helps you understand how many messages are waiting to be processed in RabbitMQ?

easy📝 Conceptual Q11 of 15
RabbitMQ - Monitoring and Management
Which key metric helps you understand how many messages are waiting to be processed in RabbitMQ?
ANumber of open connections
BQueue length (number of messages ready or unacknowledged)
CCPU usage of the RabbitMQ server
DDisk space available on the server
Step-by-Step Solution
Solution:

  1. Step 1: Understand message queue metrics

    The queue length shows how many messages are waiting or being processed, indicating workload.

  2. Step 2: Identify the metric related to message backlog

    Queue length directly reflects message counts, unlike connections or CPU usage.

  3. Final Answer:

    Queue length (number of messages ready or unacknowledged) -> Option B

  4. Quick Check:

    Message backlog = Queue length [OK]
Quick Trick: Messages waiting = queue length metric [OK]
Common Mistakes:
MISTAKES
  • Confusing connections count with message count
  • Thinking CPU usage shows message backlog
  • Ignoring unacknowledged messages in queue length

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