Which of the following is true about the value in a Kafka message?

easy📝 Conceptual Q2 of 15

Kafka - Producers

Which of the following is true about the value in a Kafka message?

AIt is used to encrypt the key

BIt is optional and can be null

CIt determines the partition of the message

DIt must always be a string

Step-by-Step Solution

Solution:

Step 1: Understand Kafka message value role
The value is the actual data payload and can be null if the message is a tombstone (used for deletes).
Step 2: Evaluate options
Value can be any data type, not just string; it does not affect partitioning or encryption.
Final Answer:
It is optional and can be null -> Option B
Quick Check:
Message value = Payload, can be null [OK]

Quick Trick: Value holds data and can be empty for deletes [OK]

Common Mistakes:

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