Kafka - Multi-Datacenter and Replication
You configured MirrorMaker with a whitelist of topics but it replicates all topics. What is the likely error?
You configured MirrorMaker with a whitelist of topics but it replicates all topics. What is the likely error?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Understand whitelist usage in MirrorMaker
The whitelist expects a regex pattern to filter topics.Step 2: Identify cause of replicating all topics
An incorrect or too broad regex matches all topics, causing full replication.Final Answer:
Incorrect regex pattern in whitelist -> Option AQuick Check:
Whitelist regex controls topic filtering [OK]
Quick Trick: Whitelist uses regex; wrong pattern replicates all [OK]
Common Mistakes:
- Confusing --whitelist with --topics flag
- Ignoring regex syntax errors
- Assuming missing producer config causes this
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