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    PolarDB:CreateAIDBClusterTask

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    PolarDB:CreateAIDBClusterTask

    Last Updated:Jul 09, 2026

    Creates a model creation operator instance.

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    RAM authorization

    No authorization for this operation. If you encounter issues with this operation, contact technical support.

    Request syntax

    POST  HTTP/1.1

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    RegionId

    string

    No

    The region ID.

    cn-beijing
    DBClusterId

    string

    Yes

    The cluster ID.

    pc-****************
    ModelSource

    string

    Yes

    The model source. Valid values:

    • public: preset model

    • custom: custom model

    public
    ModelType

    string

    No

    The custom model type.

    qwen3
    ModelName

    string

    Yes

    The model name.

    • For a preset model, specify the name of the selected model.

    • For a custom model, specify the path where the model is stored (the model trained in a cold storage instance).

    Qwen3-8B

    DatasetPath

    string

    No

    The training dataset ID. This parameter is required for fine-tuning.

    pds-2zetrain***
    EvalDatasetPath

    string

    No

    The validation dataset ID. This parameter is required for evaluation.

    pds-2zetrain***
    RunningParameter

    string

    Yes

    The running parameters in JSON string format.

    {"split_dataset_ratio": 0.1,"train_mode": "grpo","train_type": "lora","num_epochs": 1,"batch_size": 2,"eval_batch_size": 2, "num_generations": 2, "learning_rate": "1e-6", "data_file_list": "test-00000-of-00001.jsonl#1000", "lora_rank": 8, "lora_alpha": 32, "external_plugins": "/plugin/train/plugin.py", "reward_funcs": "format,external_countdown", "gpu_memory_utilization": 0.4}
    KubeType

    string

    Yes

    The model service type. Valid values:

    • aitrain: model operator tuning

    Valid values:

    • aitrain :

      aitrain

    aitrain
    TaskName

    string

    No

    The description of the model service.

    xxxx
    ZoneId

    string

    No

    The zone ID.

    cn-hangzhou-k
    VPCId

    string

    No

    The virtual private cloud (VPC) ID.

    vpc-*******************
    VSwitchId

    string

    No

    The vSwitch ID.

    vsw-*********************
    SecurityGroupId

    string

    No

    The security group ID.

    sg-bp**************
    DBInstanceClass

    string

    No

    The instance type.

    polar.pg.g6.4xlarge.guh

    Response elements

    Element

    Type

    Description

    Example

    object

    Schema of Response

    RequestId

    string

    Id of the request

    CED079B7-A408-41A1-BFF1-EC608E******
    OrderId

    string

    The order ID.

    2035638*******
    DBClusterId

    string

    The instance ID of the generated model service.

    pm-2zo88***

    Examples

    Success response

    JSON format

    {
  "RequestId": "CED079B7-A408-41A1-BFF1-EC608E******",
  "OrderId": "2035638*******",
  "DBClusterId": "pm-2zo88***"
}

    Error codes

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.