RabbitMQ - Clustering
Given a cluster with one disc node and one RAM node, what happens if the RAM node restarts?
Given a cluster with one disc node and one RAM node, what happens if the RAM node restarts?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand RAM node restart behavior
RAM nodes keep state in memory only, so restarting causes loss of state.Step 2: Confirm disc node state persistence
Disc nodes store state on disk and keep it after restart, so only RAM node loses state.Final Answer:
The RAM node loses its state and rejoins empty -> Option CQuick Check:
RAM node restart = loses state [OK]
Quick Trick: RAM nodes lose state on restart; disc nodes do not [OK]
Common Mistakes:
MISTAKES- Assuming RAM nodes recover state from disk
- Thinking disc nodes lose state on RAM node restart
- Believing both nodes lose state
Master "Clustering" in RabbitMQ
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