Kafka - Cluster Architecture
If a Kafka topic has 4 partitions and replication factor 3, how many brokers must be available to maintain full reliability?
If a Kafka topic has 4 partitions and replication factor 3, how many brokers must be available to maintain full reliability?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand replication factor meaning
Replication factor 3 means each partition has 3 copies on different brokers.Step 2: Determine minimum brokers needed
At least 3 brokers are needed to hold all replicas for full reliability.Final Answer:
At least 3 brokers -> Option CQuick Check:
Replication factor = minimum brokers needed [OK]
Quick Trick: Replication factor = minimum brokers for full reliability [OK]
Common Mistakes:
- Confusing partitions with brokers needed
- Assuming fewer brokers can hold all replicas
- Thinking 4 brokers are always needed
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