Kafka - Multi-Datacenter and Replication
To achieve a disaster recovery plan with minimal downtime and data loss in Kafka, which setup is most effective?
To achieve a disaster recovery plan with minimal downtime and data loss in Kafka, which setup is most effective?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand replication modes
Synchronous replication ensures data is written to multiple brokers before acknowledging.Step 2: Configure min.insync.replicas
Setting min.insync.replicas to a majority reduces data loss risk during failures.Step 3: Evaluate options
Use MirrorMaker with synchronous replication and set min.insync.replicas to majority combines MirrorMaker for cross-cluster replication with strong consistency settings.Final Answer:
Use MirrorMaker with synchronous replication and set min.insync.replicas to majority -> Option CQuick Check:
Synchronous replication plus majority insync replicas minimizes data loss [OK]
Quick Trick: Synchronous replication with majority insync replicas reduces data loss [OK]
Common Mistakes:
MISTAKES- Choosing asynchronous replication for critical data
- Ignoring min.insync.replicas settings
- Relying on consumer retries for recovery
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