Queries the details of a cache analysis task.
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 operations of DAS, you must set the region to cn-shanghai.
- This operation is applicable only to ApsaraDB for Redis.
Debugging
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 Resourcesis 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:DescribeCacheAnalysisJob | Read |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the instance. | r-bp18ff4a195d**** |
| JobId | string | Yes | The ID of the cache analysis task. You can obtain the task ID from the response parameters of the CreateCacheAnalysisJob operation. | sf79-sd99-sa37-**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"Message": "Successful",
"RequestId": "B6D17591-B48B-4D31-9CD6-9B9796B2****",
"Data": {
"TaskState": "BACKUP",
"JobId": "sf79-sd99-sa37-****",
"Message": "Successful",
"BigKeys": {
"KeyInfo": [
{
"Type": "hash",
"Db": 0,
"ExpirationTimeMillis": 1596256542547,
"Key": "task_x****",
"Encoding": "hashtable",
"Bytes": 12345,
"NodeId": "r-x****-db-0",
"Count": 127
}
]
},
"KeyPrefixes": {
"Prefix": [
{
"KeyNum": 123,
"Type": "hash",
"Bytes": 12345,
"Prefix": "task_",
"Count": 127
}
]
},
"BigKeysOfNum": {
"KeyInfo": [
{
"Type": "hash",
"Db": 0,
"ExpirationTimeMillis": 1596256542547,
"Key": "task_x****",
"Encoding": "hashtable",
"Bytes": 12345,
"NodeId": "r-x****-db-0",
"Count": 127
}
]
},
"UnexBigKeysOfBytes": {
"KeyInfo": [
{
"Type": "hash",
"Db": 0,
"ExpirationTimeMillis": 1596256542547,
"Key": "task_x****",
"Encoding": "hashtable",
"Bytes": 12345,
"NodeId": "r-x****-db-0",
"Count": 127
}
]
},
"UnexBigKeysOfNum": {
"KeyInfo": [
{
"Type": "hash",
"Db": 0,
"ExpirationTimeMillis": 1596256542547,
"Key": "task_x****",
"Encoding": "hashtable",
"Bytes": 12345,
"NodeId": "r-x****-db-0",
"Count": 127
}
]
},
"InstanceId": "r-bp18ff4a195d****",
"NodeId": "r-x****-db-0"
},
"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 | ||||||
|---|---|---|---|---|---|---|---|---|
| 2023-03-30 | The Error code has changed. The response structure of the API has changed | see changesets | ||||||
|