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changes.mady.by.user Jay Kreps

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changes.mady.by.user Jay Kreps

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And the response:

Code Block
Response => VersionIdResponseVersion CorrelationId ResponseMessage
ResponseVersion => int16
CorrelationId => int32
ResponseMessage => MetadataResponse | ProduceResponse | FetchResponse | OffsetResponse

Field

Description

ResponseVersion

Indicates the version of the version of the response object.

CorrelationId

The server passes back whatever integer the client supplied as the correlation in the request.

Message sets

One structure common to both the produce and fetch requests is the message set format. A message in kafka is a key-value pair with a small amount of associated metadata. A message set is just a sequence of messages with offset and size information. This format happens to be used both for the on-disk storage on the broker and the on-the-wire format.

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