Kafka - Multi-Datacenter and Replication
In MirrorMaker 2, which configuration property allows you to replicate only topics that match a specific prefix such as 'logs-'?
In MirrorMaker 2, which configuration property allows you to replicate only topics that match a specific prefix such as 'logs-'?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the correct property for topic filtering
MirrorMaker 2 uses 'topics.regex' to specify topics by regex patterns.Step 2: Analyze options
topics.regex = logs-.* uses a valid regex 'logs-.*' to match all topics starting with 'logs-'. Options B, C, and D are not valid MirrorMaker 2 properties.Final Answer:
topics.regex = logs-.* -> Option BQuick Check:
Regex property filters topics by pattern. [OK]
Quick Trick: Use topics.regex with regex pattern for topic filtering [OK]
Common Mistakes:
MISTAKES- Using 'topics' with wildcard which is unsupported
- Assuming 'include.topics' or 'filter.topics.prefix' exist
- Not using regex syntax for topic filtering
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