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Given the output of rabbitmqctl list_queues name messages_ready messages_unacknowledged as:

medium📝 Command Output Q13 of 15
RabbitMQ - Monitoring and Management
Given the output of rabbitmqctl list_queues name messages_ready messages_unacknowledged as:
queue1 10 5
queue2 0 0
queue3 3 2

What is the total number of messages currently in all queues?
A5
B15
C20
D10
Step-by-Step Solution
Solution:

  1. Step 1: Sum messages_ready and messages_unacknowledged per queue

    queue1: 10 + 5 = 15, queue2: 0 + 0 = 0, queue3: 3 + 2 = 5

  2. Step 2: Add totals from all queues

    15 + 0 + 5 = 20 total messages in all queues

  3. Final Answer:

    20 -> Option C

  4. Quick Check:

    Total messages = 20 [OK]
Quick Trick: Add ready + unacknowledged messages for total [OK]
Common Mistakes:
MISTAKES
  • Counting only ready messages
  • Ignoring unacknowledged messages
  • Adding queue names instead of numbers

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