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CCDAK · Question #206

What is a consequence of increasing the number of partitions in an existing Kafka topic?

The correct answer is B. Records with the same key could be located in different partitions.. When the number of partitions in a Kafka topic is increased, records with the same key could be mapped to different partitions in the future, breaking key-based ordering guarantees for new

Application Design

Question

What is a consequence of increasing the number of partitions in an existing Kafka topic?

Options

  • AExisting data will be redistributed across the new number of partitions temporarily increasing
  • BRecords with the same key could be located in different partitions.
  • CConsumers will need to process data from more partitions which will significantly increase
  • DThe acknowledgment process will increase latency for producers using 'acks=all'.

How the community answered

(24 responses)
  • A
    8% (2)
  • B
    83% (20)
  • C
    4% (1)
  • D
    4% (1)

Explanation

When the number of partitions in a Kafka topic is increased, records with the same key could be mapped to different partitions in the future, breaking key-based ordering guarantees for new

Topics

#partition increase#key partitioning#message ordering#topic management

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