Kafka - Connect
You configured Kafka Connect in distributed mode but notice that only one worker is running and no failover happens. What is the likely cause?
You configured Kafka Connect in distributed mode but notice that only one worker is running and no failover happens. What is the likely cause?
medium📝 Debug Q14 of Q15
Step-by-Step Solution
Solution:
Step 1: Check the startup script used
If connect-standalone.sh is used, only one worker runs without failover, even if config is for distributed mode.Step 2: Understand distributed mode requirements
Distributed mode requires starting with connect-distributed.sh to run multiple workers and enable failover.Final Answer:
You started Kafka Connect with connect-standalone.sh instead of connect-distributed.sh -> Option AQuick Check:
Wrong startup script causes single worker [OK]
Quick Trick: Use connect-distributed.sh to run multiple workers [OK]
Common Mistakes:
MISTAKES- Assuming config alone enables distributed mode
- Believing distributed mode runs with standalone script
- Ignoring startup script importance
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