DescribeCacheAnalysisJobs - Database Autonomy Service - Alibaba Cloud Documentation Center

Queries a list of cache analysis tasks.

Operation description

Before you call this operation, take note of the following items:

If you use an Alibaba Cloud SDK or a Database Autonomy Service (DAS) SDK to call this operation, we recommend that you use the latest version of the SDK.
If you use an SDK to call API operations of DAS, you must set the region ID to cn-shanghai.
This operation is applicable only to ApsaraDB for Redis.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

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 Key: the condition key that is defined by the cloud service.
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.

Operation	Access level	Resource type	Condition key	Associated operation
hdm:DescribeCacheAnalysisJobs	get	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The instance ID.	r-bp18ff4a195d****
StartTime	string	Yes	The beginning of the time range to query. Set this parameter to a UNIX timestamp representing the number of milliseconds that have elapsed since January 1, 1970, 00:00:00 UTC.	1596177993000
EndTime	string	Yes	The end of the time range to query. Set this parameter to a UNIX timestamp representing the number of milliseconds that have elapsed since January 1, 1970, 00:00:00 UTC. Note The end time must be later than the start time.	1596177993001
PageNo	string	No	The page number. The value must be an integer that is greater than 0. Default value: 1.	1
PageSize	string	No	The number of entries per page. Default value: 10.	10

Response parameters

Parameter	Type	Description	Example
	object
Message	string	The returned message. Note If the request was successful, Successful is returned. If the request failed, an error message such as an error code is returned.	Successful
RequestId	string	The request ID.	B6D17591-B48B-4D31-9CD6-9B9796B2****
Data	object	The list of cache analysis tasks.
List	array<object>	The ID of the data node on the instance.
CacheAnalysisJob	object
TaskState	string	The state of the cache analysis task. Valid values: BACKUP: The data is being backed up. ANALYZING: The data is being analyzed. FINISHED: The data is analyzed. FAILED: An error occurred.	BACKUP
JobId	string	The ID of the cache analysis task.	sf79-sd99-sa37-****
Message	string	The returned message. Note If the request was successful, Successful is returned. If the request failed, an error message such as an error code is returned.	Successful
BigKeys	array<object>	The details about the large keys. Note The sub-parameters of this parameter and the content of the sub-parameters are not returned. To query the detailed information about the cache analysis tasks, call the DescribeCacheAnalysisJob operation.
KeyInfo	object
Type	string	The data type of the instance.	hash
Db	integer	The name of the database.	0
ExpirationTimeMillis	long	The expiration period of the key. Unit: milliseconds. A value of 0 indicates that the key does not expire.	1596256542547
Key	string	The name of the key.	task_*****
Encoding	string	The data type of the key.	hashtable
Bytes	long	The number of bytes that are occupied by the key.	12345
NodeId	string	The ID of the data node on the instance.	r-****-db-0
Count	long	The number of elements in the key.	127
InstanceId	string	The instance ID.	r-bp18ff4a195d****
NodeId	string	The ID of the data node on the instance.	r-x****-db-0
PageNo	long	The page number. The value must be an integer that is greater than 0. Default value: 1.	1
PageSize	long	The number of entries per page. Default value: 10.	10
Extra	string	The reserved parameter.	None
Total	long	The total number of entries returned.	4
Code	string	The HTTP status code returned.	200
Success	string	Indicates whether the request was successful. Valid values: true: The request was successful. false: The request failed.	true

Examples

Sample success responses

JSONformat

{
  "Message": "Successful",
  "RequestId": "B6D17591-B48B-4D31-9CD6-9B9796B2****",
  "Data": {
    "List": {
      "CacheAnalysisJob": [
        {
          "TaskState": "BACKUP",
          "JobId": "sf79-sd99-sa37-****",
          "Message": "Successful",
          "BigKeys": {
            "KeyInfo": [
              {
                "Type": "hash",
                "Db": 0,
                "ExpirationTimeMillis": 1596256542547,
                "Key": "task_*****",
                "Encoding": "hashtable",
                "Bytes": 12345,
                "NodeId": "r-****-db-0",
                "Count": 127
              }
            ]
          },
          "InstanceId": "r-bp18ff4a195d****",
          "NodeId": "r-x****-db-0"
        }
      ]
    },
    "PageNo": 1,
    "PageSize": 10,
    "Extra": "None",
    "Total": 4
  },
  "Code": "200",
  "Success": "true"
}

Error codes

HTTP status code	Error code	Error message
400	InvalidParams	The request parameters are invalid.
403	NoPermission	You are not authorized to do this action.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

No change history