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DescribePrefetchTasks

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最后更新时间: 2026-04-13 14:46:23

1. API Description

Domain name for API request: teo.intl.tencentcloudapi.com.

DescribePrefetchTasks is used to query the submission history and execution progress of preheating tasks. This interface can be used to query the tasks submitted by the CreatePrefetchTasks interface.

A maximum of 20 requests can be initiated per second for this API.

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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: DescribePrefetchTasks.
Version Yes String Common Params. The value used for this API: 2022-09-01.
Region No String Common Params. This parameter is not required.
ZoneId No String Site ID. this parameter will change from selectable to required after may 30, 2024. for details, see the announcement: tencent cloud EdgeOne: tencentcloud API change notification.
StartTime No Timestamp ISO8601 Start time of the query. Either time or job-id is required.
EndTime No Timestamp ISO8601 End time of the query. Either time or job-id is required.
Offset No Integer Offset of paginated query. Default value: 0.
Limit No Integer Number limit of paginated query. Default value: 20. Maximum value: 1000.
Filters.N No Array of AdvancedFilter Filter criteria. the maximum number of Filters.Values is 20. the detailed filter criteria are as follows:
  • job-id: filter by task id in the format like 1379afjk91u32h. multiple Values and fuzzy queries are not supported.
  • target: filter by target resource information in the format like http://www.qq.com/1.txt. multiple Values and fuzzy queries are not supported.
  • domains: filter by domain name in the format like www.qq.com. fuzzy queries are not supported.
  • statuses: filter by task status. fuzzy queries are not supported. options:
      processing: processing
      success: successful
      failed: failed
      timeout: timed out
      canceled: canceled
      invalid: invalid, that is, the origin server response status code is not 2xx. please check the origin server service.
  • .

    3. Output Parameters

    Parameter Name Type Description
    TotalCount Integer Total number of items in the query condition.
    Tasks Array of Task Task result list.
    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Example1 Querying Preheating Tasks

    This example shows you how to query task records and execution progress using the API after submitting a preheat task via CreatePrefetchTasks.

    Input Example

    POST / HTTP/1.1
    Host: teo.intl.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: DescribePrefetchTasks
    <Common request parameters>
    
    {
        "ZoneId": "zone-z8m9mgx",
        "StartTime": "2022-02-09T00:00:00+08:00",
        "EndTime": "2022-02-09T23:59:00+08:00",
        "Limit": 2,
        "Offset": 0
    }
    

    Output Example

    {
        "Response": {
            "RequestId": "abc-afhhakf-24hkahf-2424",
            "Tasks": [
                {
                    "JobId": "20g9wz8m9mgx",
                    "Status": "success",
                    "Target": "http://www.qq.com/a.txt",
                    "Type": "prefetch_url",
                    "CreateTime": "2022-02-09T02:28:43Z",
                    "UpdateTime": "2022-02-09T02:28:52Z"
                },
                {
                    "JobId": "3duxkechrr0c",
                    "Status": "failed",
                    "Target": "http://www.qq.com/b.txt",
                    "Type": "prefetch_url",
                    "FailType": "originPullFailed",
    "FailMessage": "Origin-pull failure, retry or check if the origin server exists, service unavailable or response timeout, throttling policy triggered, security policy restricted, network failure, bandwidth/connection limit."
                    "CreateTime": "2022-02-09T02:28:43Z",
                    "UpdateTime": "2022-02-09T02:28:52Z"
                }
            ],
            "TotalCount": 2
        }
    }
    

    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
    InternalError Internal error.
    InvalidParameter.ParameterError Parameter error: Invalid “End time”. The interval between the start and end time cannot exceed 7 days.
    OperationDenied Operation denied.
    UnauthorizedOperation.DomainEmpty Authentication error.

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