Kafka - Performance Tuning
You have a topic with 6 partitions and want to ensure messages with the same key always go to the same partition. What partition count strategy supports this?
You have a topic with 6 partitions and want to ensure messages with the same key always go to the same partition. What partition count strategy supports this?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand key-based partitioning
Using a hash of the key ensures messages with same key go to same partition.Step 2: Keep partition count fixed
Changing partition count breaks key-to-partition mapping consistency.Final Answer:
Use a fixed partition count and a key-based hash partitioner -> Option CQuick Check:
Fixed partitions + key hash = consistent routing [OK]
Quick Trick: Fixed partitions + key hash = same partition for keys [OK]
Common Mistakes:
MISTAKES- Increasing partitions breaks key consistency
- Using single partition limits scalability
- Random assignment loses key ordering
Master "Performance Tuning" in Kafka
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Kafka Quizzes