kafkajs
Version:
A modern Apache Kafka client for node.js
27 lines (24 loc) • 857 B
JavaScript
const Encoder = require('../../../encoder')
const { Heartbeat: apiKey } = require('../../apiKeys')
/**
* Version 3 adds group_instance_id to indicate member identity across restarts.
* @see https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances
*
* Heartbeat Request (Version: 3) => group_id generation_id member_id group_instance_id
* group_id => STRING
* generation_id => INT32
* member_id => STRING
* group_instance_id => NULLABLE_STRING
*/
module.exports = ({ groupId, groupGenerationId, memberId, groupInstanceId }) => ({
apiKey,
apiVersion: 3,
apiName: 'Heartbeat',
encode: async () => {
return new Encoder()
.writeString(groupId)
.writeInt32(groupGenerationId)
.writeString(memberId)
.writeString(groupInstanceId)
},
})