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CCDAK · Question #120

There are two consumers C1 and C2 belonging to the same group G subscribed to topics T1 and T2. Each of the topics has 3 partitions. How will the partitions be assigned to consumers with Partition Ass

The correct answer is A. C1 will be assigned partitions 0 and 2 from T1 and partition 1 from T2. C2 will have partition 1. The correct option is the only one where the two consumers share an equal number of partitions amongst the two topics of three partitions.

Developing Kafka Consumers

Question

There are two consumers C1 and C2 belonging to the same group G subscribed to topics T1 and T2. Each of the topics has 3 partitions. How will the partitions be assigned to consumers with Partition Assigner being Round Robin Assigner?

Options

  • AC1 will be assigned partitions 0 and 2 from T1 and partition 1 from T2. C2 will have partition 1
  • BTwo consumers cannot read from two topics at the same time
  • CC1 will be assigned partitions 0 and 1 from T1 and T2, C2 will be assigned partition 2 from T1 and
  • DAll consumers will read from all partitions

How the community answered

(27 responses)
  • A
    67% (18)
  • B
    4% (1)
  • C
    19% (5)
  • D
    11% (3)

Explanation

The correct option is the only one where the two consumers share an equal number of partitions amongst the two topics of three partitions.

Topics

#RoundRobinAssigner#partition assignment#multi-topic consumer group#consumer rebalancing

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