[Solved] In Kafka Streams, what is the primary function of the map operation? - Ans: To transform each record into a new record with potentially different key and... | Kafka

Kafka - Streams

In Kafka Streams, what is the primary function of the map operation?

ATo aggregate records by key.

BTo filter out records that do not meet a condition.

CTo join two streams based on their keys.

DTo transform each record into a new record with potentially different key and value.

Step-by-Step Solution

Solution:

Step 1: Understand map operation
The map method applies a transformation function to each record.
Step 2: Result of map
It produces a new record which can have a different key and/or value.
Final Answer:
To transform each record into a new record with potentially different key and value. -> Option D
Quick Check:
Map transforms records individually [OK]

Quick Trick: Map changes records, filter removes them [OK]

Common Mistakes:

MISTAKES

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In Kafka Streams, what is the primary function of the map operation?