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Why is it important to monitor consumer lag in RabbitMQ queues?

easy📝 Conceptual Q1 of 15
RabbitMQ - Monitoring and Management
Why is it important to monitor consumer lag in RabbitMQ queues?
ABecause it tells the total number of queues in RabbitMQ
BBecause it indicates the number of consumers connected
CBecause it shows how many messages are waiting to be processed
DBecause it shows the RabbitMQ server uptime
Step-by-Step Solution
Solution:
  1. Step 1: Understand consumer lag meaning

    Consumer lag means messages waiting in the queue that consumers have not processed yet.
  2. Step 2: Connect lag to monitoring importance

    Monitoring lag helps detect if consumers are slow or stuck, preventing message buildup.
  3. Final Answer:

    Because it shows how many messages are waiting to be processed -> Option C
  4. Quick Check:

    Consumer lag = Messages waiting [OK]
Quick Trick: Consumer lag means unprocessed messages waiting in queue [OK]
Common Mistakes:
MISTAKES
  • Confusing consumer lag with number of consumers
  • Thinking lag shows total queues
  • Assuming lag shows server uptime

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