The "magic byte" in the Kafka RecordBatch refers to which of the following?

Question

Options

• AHow many bytes are in all of the messages in the RecordBatch
• BThe version of the message format
• CThe sequence number of the RecordBatch from a particular producer
• DWhich compression format is used

• A
  5% (2)
• B
  74% (28)
• C
  8% (3)
• D
  13% (5)

Explanation

In Kafka, the "magic byte" refers to a single byte in the RecordBatch that indicates the version of the message format being used. This magic byte is part of the Kafka message format, and its purpose is to distinguish between different versions of the message format that Kafka supports. When consuming messages, Kafka uses this magic byte to understand how to deserialize the message and interpret its content correctly. Magic Byte: It's a byte that signals the version of the Kafka message format. Kafka has introduced different versions of the message format, and this byte helps consumers and brokers correctly process the messages based on the format version.

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