RabbitMQ - Security and Operations
Given a Shovel configured to move messages from queue 'orders' in DC1 to queue 'orders' in DC2, what happens if DC2 is temporarily unreachable?
Given a Shovel configured to move messages from queue 'orders' in DC1 to queue 'orders' in DC2, what happens if DC2 is temporarily unreachable?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Shovel Reliability
Shovel buffers messages locally and retries delivery if destination is unreachable.Step 2: Eliminate Other Outcomes
Dropping or silent loss contradicts Shovel's design; manual restart is not required.Final Answer:
Shovel buffers messages locally and retries until DC2 is reachable -> Option AQuick Check:
Shovel retries with buffering on failure [OK]
Quick Trick: Shovel retries and buffers messages if destination is down [OK]
Common Mistakes:
MISTAKES- Assuming messages are dropped on failure
- Thinking manual restart is needed after failure
- Believing messages are lost silently
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