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What is the main purpose of cross-datacenter replication in Kafka?

easy📝 Conceptual Q11 of 15
Kafka - Multi-Datacenter and Replication

What is the main purpose of cross-datacenter replication in Kafka?

ATo copy Kafka topics between clusters for data safety and availability
BTo compress Kafka messages for faster transmission
CTo encrypt Kafka topics for security
DTo delete old Kafka topics automatically
Step-by-Step Solution
Solution:

  1. Step 1: Understand the concept of cross-datacenter replication

    Cross-datacenter replication means copying data from one Kafka cluster to another in a different location.

  2. Step 2: Identify the main goal of this replication

    The goal is to keep data safe and available even if one cluster fails.

  3. Final Answer:

    To copy Kafka topics between clusters for data safety and availability -> Option A

  4. Quick Check:

    Replication = Data safety and availability [OK]
Quick Trick: Replication means copying data across clusters for safety [OK]
Common Mistakes:
  • Confusing replication with compression
  • Thinking replication encrypts data
  • Assuming replication deletes data

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