Kafka - Multi-Datacenter and Replication
You want to ensure that only topics starting with 'sales_' are replicated between clusters using MirrorMaker 2. Which configuration snippet achieves this?
You want to ensure that only topics starting with 'sales_' are replicated between clusters using MirrorMaker 2. Which configuration snippet achieves this?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand regex for topic filtering
To match topics starting with 'sales_', regex should be 'sales_.*'.Step 2: Evaluate options
"topics": "sales_.*" correctly uses regex to match any topic beginning with 'sales_'. Others do not match this pattern properly.Final Answer:
"topics": "sales_.*" -> Option DQuick Check:
Regex for prefix match = sales_.* [OK]
Quick Trick: Use regex sales_.* to match topics starting with sales_ [OK]
Common Mistakes:
- Using incorrect regex anchors
- Using wildcard * incorrectly
- Not using regex at all
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