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Why is tuning Kafka's replication.factor important for production load?

easy📝 Conceptual Q1 of 15
Kafka - Performance Tuning
Why is tuning Kafka's replication.factor important for production load?
AIt ensures data durability and availability during failures
BIt controls the maximum message size sent by producers
CIt sets the number of partitions per topic
DIt limits the number of consumers in a group
Step-by-Step Solution
Solution:

  1. Step 1: Understand replication factor role

    The replication factor defines how many copies of data Kafka keeps across brokers to prevent data loss.

  2. Step 2: Connect replication to production load

    Higher replication ensures data is safe and available even if some brokers fail, which is critical under production load.

  3. Final Answer:

    It ensures data durability and availability during failures -> Option A

  4. Quick Check:

    Replication factor importance = A [OK]
Quick Trick: Replication protects data during failures under load [OK]
Common Mistakes:
MISTAKES
  • Confusing replication factor with partition count
  • Thinking it controls message size
  • Assuming it limits consumer numbers

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