Kafka - Producers
You want to ensure messages with the same user ID always go to the same partition, but messages without user ID keys should be evenly distributed. Which partitioner behavior should you rely on?
You want to ensure messages with the same user ID always go to the same partition, but messages without user ID keys should be evenly distributed. Which partitioner behavior should you rely on?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand keyed message behavior
Default partitioner sends messages with the same key to the same partition.Step 2: Understand unkeyed message behavior
Messages without keys are distributed evenly using round-robin by default partitioner.Step 3: Match behavior to requirement
Default partitioner: keyed messages to same partition, unkeyed round-robin matches the requirement exactly.Final Answer:
Default partitioner: keyed messages to same partition, unkeyed round-robin -> Option AQuick Check:
Default partitioner fits keyed + unkeyed needs [OK]
Quick Trick: Default partitioner handles keyed and unkeyed well [OK]
Common Mistakes:
- Choosing custom partitioner ignoring keys
- Using round-robin for keyed messages
- Sending all messages to one partition
Master "Producers" in Kafka
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Kafka Quizzes