[Solved] Which statement best describes the role of a consumer group ID in Kafka? — Ans: It uniquely identifies a group of consumers sharing the workload | Kafka

Kafka - Consumer Groups

Which statement best describes the role of a consumer group ID in Kafka?

AIt defines the partition count of the topic

BIt uniquely identifies a group of consumers sharing the workload

CIt sets the maximum number of messages to consume

DIt specifies the topic name to consume from

Step-by-Step Solution

Solution:

Step 1: Define consumer group ID purpose
The consumer group ID identifies a set of consumers working together to consume a topic.
Step 2: Evaluate options
It uniquely identifies a group of consumers sharing the workload correctly describes this. Options A, B, and C confuse group ID with other configurations.
Final Answer:
It uniquely identifies a group of consumers sharing the workload -> Option B
Quick Check:
Consumer group ID = Group identifier [OK]

Quick Trick: Group ID links consumers to share topic partitions [OK]

Common Mistakes:

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Which statement best describes the role of a consumer group ID in Kafka?