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What triggers a memory alarm in RabbitMQ?

easy📝 Conceptual Q1 of 15
RabbitMQ - Performance Tuning
What triggers a memory alarm in RabbitMQ?
AWhen the network latency is high
BWhen the disk space is below 50%
CWhen the CPU usage is above 90%
DWhen the node's memory usage exceeds a configured threshold
Step-by-Step Solution
Solution:

  1. Step 1: Understand memory alarm conditions

    Memory alarms trigger when RabbitMQ detects that the node's memory usage is too high.

  2. Step 2: Identify the correct trigger

    Only the memory usage threshold exceeding triggers a memory alarm, not disk space, CPU, or network.

  3. Final Answer:

    When the node's memory usage exceeds a configured threshold -> Option D

  4. Quick Check:

    Memory alarm trigger = Exceeding memory threshold [OK]
Quick Trick: Memory alarms depend on memory usage, not disk or CPU [OK]
Common Mistakes:
MISTAKES
  • Confusing disk space with memory usage
  • Thinking CPU or network triggers memory alarms

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