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You want to plan capacity for a Kafka cluster expected to handle 1 million messages per second. Which combination is best to start with?

hard📝 Application Q15 of 15
Kafka - Kubernetes and Cloud Deployment
You want to plan capacity for a Kafka cluster expected to handle 1 million messages per second. Which combination is best to start with?
A5 brokers with 5 partitions each and low memory hardware
B10 brokers with 100 partitions each and high-performance SSD storage
C2 brokers with 10 partitions each and standard HDD storage
D1 broker with 200 partitions and no replication
Step-by-Step Solution
Solution:
  1. Step 1: Analyze message load requirements

    1 million messages per second is very high; needs many brokers and partitions.
  2. Step 2: Choose hardware and partition setup

    High-performance SSDs and many brokers with many partitions support high throughput and reliability.
  3. Final Answer:

    10 brokers with 100 partitions each and high-performance SSD storage -> Option B
  4. Quick Check:

    High load needs many brokers, partitions, and fast storage [OK]
Quick Trick: High load needs many brokers, partitions, and SSDs [OK]
Common Mistakes:
MISTAKES
  • Choosing too few brokers or partitions
  • Ignoring storage speed impact
  • Not planning for replication and reliability

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