RabbitMQ - Performance Tuning
Given a RabbitMQ consumer with prefetch count set to 10, what happens when the consumer is slow to acknowledge messages?
Given a RabbitMQ consumer with prefetch count set to 10, what happens when the consumer is slow to acknowledge messages?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand prefetch count behavior
Prefetch count limits unacknowledged messages sent to a consumer to avoid overload.Step 2: Analyze slow acknowledgment effect
If consumer is slow, RabbitMQ stops sending new messages after reaching prefetch limit.Final Answer:
RabbitMQ stops sending new messages after 10 unacknowledged messages -> Option AQuick Check:
Prefetch limits unacknowledged messages = C [OK]
Quick Trick: Prefetch count limits unacknowledged messages [OK]
Common Mistakes:
MISTAKES- Thinking RabbitMQ ignores prefetch limits
- Assuming messages are deleted if unacknowledged
- Believing prefetch count auto-adjusts
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