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Message Queue for Apache Kafka:ModifyPartitionNum

Last Updated:Jan 28, 2023

Changes the number of partitions in a specified topic.

Authorization information

The following table is the authorization information corresponding to the API, which can be found in the RAM permission policy statement.Action Used in the element to grant the RAM user or RAM role permission to call this API. The specific instructions are as follows:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All resources is used in the Resource type column of the operation.
  • Condition keyword: refers to the condition keyword defined by the cloud product itself.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operateaccess levelResource typeconditional keywordAssociation operation
alikafka:UpdateTopicWrite
    All resources
    without
without

Request parameters

ParameterTypeRequiredDescriptionExample
InstanceIdstringYes

The instance ID.

alikafka_post-cn-0pp1l9z****
TopicstringYes

The topic name.

TopicPartitionNum
RegionIdstringYes

The region ID of the instance.

cn-hangzhou
AddPartitionNumintegerYes

The number of partitions that you want to add to the topic.

  • The value must be an integer that is greater than 0.
  • To reduce the risk of data skew, we recommend that you set the value to a multiple of 6.
  • The number of total partitions ranges from 1 to 360.
6

Response parameters

ParameterTypeDescriptionExample
object
Codeinteger

The HTTP status code returned. The HTTP status code 200 indicates that the request is successful.

200
Messagestring

The message returned.

operation success
RequestIdstring

The ID of the request.

B7A39AE5-0B36-4442-A304-E088526****
Successboolean

Indicates whether the request is successful.

true

Example

Normal return example

JSONFormat

{
  "Code": 200,
  "Message": "operation success",
  "RequestId": "B7A39AE5-0B36-4442-A304-E088526****",
  "Success": true
}

Error codes

For a list of error codes, visit the API error center.