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    Platform For AI:CreateFaultInjection

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    Platform For AI:CreateFaultInjection

    Last Updated:Nov 05, 2025

    Creates a fault injection task.

    Operation description

    Before you use this operation, make sure that you understand the billing methods and pricing of Elastic Algorithm Service (EAS).

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    RAM authorization

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

    Request syntax

    POST /api/v2/services/{ClusterId}/{ServiceName}/instances/{InstanceName}/faults HTTP/1.1

    Path Parameters

    Parameter

    Type

    Required

    Description

    Example
    ClusterId

    string

    Yes

    The region where the private gateway is located.

    cn-shanghai
    ServiceName

    string

    Yes

    The name of the service. For more information about how to view the service name, see ListServices.

    foo
    InstanceName

    string

    Yes

    The name of the service instance. For more information about how to view the instance name, see ListServiceInstances.

    foo-69xxxx4f4-5w9r9

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    body

    object

    No

    The request body. For information about key request parameters, see Table 1. Request body parameters and Table 2. metadata parameters below. For more information about parameter settings, see Parameter description for service models.

    FaultType

    string

    No

    The fault type. Device faults: 1. CPU full load fault. 2. Memory load fault. 3. Network fault. 4. Disk read/write fault. 5. Disk fill fault.

    Valid values:

    • MemLoadTask :

      Memory stress

    • CpuFullloadTask :

      CPU full load

    • NetworkTask :

      Network fault

    • DiskFillTask :

      Disk stress

    CpuFullloadTask
    FaultArgs

    any

    No

    The parameters for each fault type are described as follows:

    1. CpuFullloadTask (CPU full load fault) { "FaultType": "CpuFullloadTask", "FaultArgs": { "FaultAction": "fullload", "CpuPercent": 50 } }

    2. MemLoadTask (Memory load fault) { "FaultType": "MemLoadTask", "FaultArgs": { "FaultAction": "load", "MemPercent": 80 } }

    3. NetworkTask (Network fault) 3.a. NetworkDelayAction (Network delay) { "FaultType": "NetworkTask", "FaultArgs": { "FaultAction": "delay", "Time": 3000, "Offset": 100 } } 3.b. NetworkCorruptAction (Network packet corruption) { "FaultType": "NetworkTask", "FaultArgs": { "FaultAction": "corrupt", "Percent": 50 } } 3.c. NetworkLossAction (Network packet loss) { "FaultType": "NetworkTask", "FaultArgs": { "FaultAction": "loss", "Percent": 30 } }

    4. DiskBurnTask (Disk read/write fault) { "FaultType": "DiskBurnTask", "FaultArgs": { "FaultAction": "burn", "Read": true, "Write": true, "Size": 100 } }

    5. DiskFillTask (Disk fill fault) { "FaultType": "DiskFillTask", "FaultArgs": { "FaultAction": "fill", "Percent": 80 } }

    { "FaultType": "DiskFillTask", "FaultArgs": { "FaultAction": "fill", "Percent": 80 } }

    Response elements

    Element

    Type

    Description

    Example

    object

    The response schema.

    RequestId

    string

    The ID of the request.

    40325405-579C-4D82***
    Message

    string

    The message returned for the request.

    Addon prometheus_discovery is successfully reinstalled

    Examples

    Success response

    JSON format

    {
  "RequestId": "40325405-579C-4D82***",
  "Message": "Addon prometheus_discovery is successfully reinstalled"
}

    Error codes

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.