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TDMQ for Apache Pulsar
    Documentation
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    ModifyTopic

    Last updated: 2023-08-09 14:43:18
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    1. API Description

    Domain name for API request: tdmq.tencentcloudapi.com.

    This API is used to modify the topic remarks and number of partitions.

    A maximum of 50 requests can be initiated per second for this API.

    We recommend you to use API Explorer
    Try it
    API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common Params. The value used for this API: ModifyTopic.
    Version Yes String Common Params. The value used for this API: 2020-02-17.
    Region No String Common Params. This parameter is not required for this API.
    EnvironmentId Yes String Environment (namespace) name.
    TopicName Yes String Topic name.
    Partitions Yes Integer Number of partitions, which must be equal to or greater than the original number of partitions. To maintain the original number of partitions, enter the original number. Modifying the number of partitions will take effect only for non-globally sequential messages. There can be up to 128 partitions.
    Remark No String Remarks (up to 128 characters).
    ClusterId No String Pulsar cluster ID

    3. Output Parameters

    Parameter Name Type Description
    Partitions Integer Number of partitions
    Remark String Remarks (up to 128 characters).
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Modifying topic attributes

    Input Example

    https://tdmq.tencentcloudapi.com/?Action=ModifyTopic
&EnvironmentId=default
&TopicName=test_topic
&Partitions=3
&Remark=Change partition to 3
&<Common request parameters>

    Output Example

    {
    "Response": {
        "Partitions": 3,
        "Remark": "Change partition to 3",
        "RequestId": "c276a96f-1612-47ad-9562-da06d4fdf1ed"
    }
}

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    AuthFailure.UnauthorizedOperation CAM authentication failed.
    FailedOperation Operation failed.
    FailedOperation.GetTopicPartitionsFailed Failed to get the number of topic partitions.
    FailedOperation.UpdateTopic Failed to update the topic.
    InternalError.SystemError System error.
    InvalidParameterValue.InvalidParams The parameter value is out of the value range.
    MissingParameter.NeedMoreParams A required parameter is missing.
    ResourceNotFound.Cluster The cluster does not exist.
    ResourceNotFound.Topic The topic does not exist.
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