Reassigning Replicas of a Topic for a Kafka Instance

Function

This API is used to reassign replicas of a topic for a Kafka instance.

URI

POST /v2/{project_id}/instances/{instance_id}/management/topics/{topic}/replicas-reassignment

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.
topic	Yes	String	Topic name.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
partitions	No	Array of partitions objects	Assignment of replicas of the partition after the change.

**Table 3** partitions
Parameter	Mandatory	Type	Description
partition	No	Integer	Partition ID.
replicas	No	Array of integers	ID of the broker where the replica is expected to reside. The first integer in the array represents the leader replica broker ID. All partitions must have the same number of replicas. The number of replicas cannot be larger than the number of brokers.

Response Parameters

None

Example Requests

Reassigning topic partitions, with replicas of partition 1 on brokers 1 and 2, and the leader replica on broker 1

POST https://{endpoint}/v2/{project_id}/instances/{instance_id}/management/topics/{topic}/replicas-reassignment

{
  "partitions" : [ {
    "partition" : 1,
    "replicas" : [ 1, 2 ]
  }, {
    "partition" : 0,
    "replicas" : [ 0, 1 ]
  } ]
}