View Source KlifeProtocol.Messages.TxnOffsetCommit (Klife Protocol v0.7.0)

Kafka protocol TxnOffsetCommit message

Request versions summary:

  • Version 1 is the same as version 0.
  • Version 2 adds the committed leader epoch.
  • Version 3 adds the member.id, group.instance.id and generation.id.
  • Version 4 adds support for new error code TRANSACTION_ABORTABLE (KIP-890).

Response versions summary:

  • Starting in version 1, on quota violation, brokers send out responses before throttling.
  • Version 2 is the same as version 1.
  • Version 3 adds illegal generation, fenced instance id, and unknown member id errors.
  • Version 4 adds support for new error code TRANSACTION_ABORTABLE (KIP-890).

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Functions

Returns the message api key number.

Receive a binary in the kafka wire format and deserialize it into a map.

Returns the current max supported version of this message.

Returns the current min supported version of this message.

Receives a map and serialize it to kafka wire format of the given version.

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Returns the message api key number.

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deserialize_response(data, version, with_header? \\ true)

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Receive a binary in the kafka wire format and deserialize it into a map.

Response content fields:

  • throttle_time_ms: The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota. (int32 | versions 0+)

  • topics: The responses for each topic. ([]TxnOffsetCommitResponseTopic | versions 0+)

    • name: The topic name. (string | versions 0+)

    • partitions: The responses for each partition in the topic. ([]TxnOffsetCommitResponsePartition | versions 0+)

      • partition_index: The partition index. (int32 | versions 0+)

      • error_code: The error code, or 0 if there was no error. (int16 | versions 0+)

Returns the current max supported version of this message.

Returns the current min supported version of this message.

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serialize_request(map, version)

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Receives a map and serialize it to kafka wire format of the given version.

Input content fields:

  • transactional_id: The ID of the transaction. (string | versions 0+)

  • group_id: The ID of the group. (string | versions 0+)

  • producer_id: The current producer ID in use by the transactional ID. (int64 | versions 0+)

  • producer_epoch: The current epoch associated with the producer ID. (int16 | versions 0+)

  • generation_id: The generation of the consumer. (int32 | versions 3+)

  • member_id: The member ID assigned by the group coordinator. (string | versions 3+)

  • group_instance_id: The unique identifier of the consumer instance provided by end user. (string | versions 3+)

  • topics: Each topic that we want to commit offsets for. ([]TxnOffsetCommitRequestTopic | versions 0+)

    • name: The topic name. (string | versions 0+)

    • partitions: The partitions inside the topic that we want to commit offsets for. ([]TxnOffsetCommitRequestPartition | versions 0+)

      • partition_index: The index of the partition within the topic. (int32 | versions 0+)

      • committed_offset: The message offset to be committed. (int64 | versions 0+)

      • committed_leader_epoch: The leader epoch of the last consumed record. (int32 | versions 2+)

      • committed_metadata: Any associated metadata the client wants to keep. (string | versions 0+)