Kafka - Multi-Datacenter and Replication
How can you configure MirrorMaker 2 to handle topic deletions so that deletions in the source cluster are reflected in the target cluster?
How can you configure MirrorMaker 2 to handle topic deletions so that deletions in the source cluster are reflected in the target cluster?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand topic deletion replication
MirrorMaker 2 can sync topic config changes including deletions if configured.Step 2: Required settings
Setting 'sync.topic.configs=true' enables config sync; target cluster must allow topic deletions with 'delete.topic.enable'.Final Answer:
Set 'sync.topic.configs=true' and enable 'delete.topic.enable' on target cluster -> Option BQuick Check:
Topic deletion sync = sync.topic.configs + delete.topic.enable [OK]
Quick Trick: Enable config sync and topic deletion on target cluster [OK]
Common Mistakes:
- Confusing auto.create.topics.enable with deletion
- Using offset storage topic for deletions
- Changing replication factor unrelatedly
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