Mengkueri 100 kunci panas teratas dalam periode pengatur waktu tertentu.
Deskripsi operasi
A key is identified as a hot key if its QPS exceeds 3,000.
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If you use an Alibaba Cloud SDK, ensure that the version of aliyun-sdk-core is 4.3.3 or later. We recommend using the latest version.
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The DAS SDK version must be 1.0.2 or later.
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When calling the DAS service with an SDK, set the region to cn-shanghai.
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This operation applies only to the following Redis instances:
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The instance is an open source Redis instance or a Tair (Enterprise Edition) memory-optimized instance.
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The instance runs on the latest minor version.
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Coba sekarang
Test
RAM authorization
|
Action |
Access level |
Resource type |
Condition key |
Dependent action |
|
hdm:DescribeTopHotKeys |
get |
*全部资源
|
None | None |
Parameter permintaan
|
Parameter |
Type |
Required |
Description |
Example |
| ConsoleContext |
string |
No |
Parameter yang dicadangkan. |
None |
| InstanceId |
string |
Yes |
ID Instans Redis. |
r-bp18ff4a195d**** |
| NodeId |
string |
No |
ID shard data Instans Redis. |
r-****-db-0 |
| StartTime |
string |
Yes |
Awal rentang pengatur waktu kueri, ditentukan sebagai Stempel waktu UNIX dalam milidetik. |
1596177993000 |
| EndTime |
string |
Yes |
Akhir rentang pengatur waktu kueri, ditentukan sebagai Stempel waktu UNIX dalam milidetik. Catatan
|
1596177993001 |
Elemen respons
|
Element |
Type |
Description |
Example |
|
object |
The response parameters. |
||
| Message |
string |
The response message. |
Successful |
| RequestId |
string |
The request ID. |
B6D17591-B48B-4D31-9CD6-9B9796B2**** |
| Data |
object |
||
| HotKey |
array<object> |
The list of hot keys. |
|
|
object |
The details of a hot key. |
||
| Db |
integer |
The database in which the key is stored. |
0 |
| Key |
string |
The specific key. |
abc:def:eng |
| Hot |
string |
The access frequency of the key. This value indicates the number of times the key is accessed per second. |
5500~6000 |
| KeyType |
string |
The type of the key. |
zset |
| Lfu |
integer |
The statistical value of the Least Frequently Used (LFU) algorithm. |
253 |
| NodeId |
string |
The ID of the data shard of the Redis instance. |
r-x****-db-0 |
| InBytes |
integer |
4502693 |
|
| OutBytes |
integer |
1291659 |
|
| Category |
string |
qps |
|
| Code |
string |
The response code. |
200 |
| Success |
string |
Indicates whether the request was successful. Valid values:
|
true |
Contoh
Respons sukses
JSONformat
{
"Message": "Successful",
"RequestId": "B6D17591-B48B-4D31-9CD6-9B9796B2****",
"Data": {
"HotKey": [
{
"Db": 0,
"Key": "abc:def:eng",
"Hot": "5500~6000",
"KeyType": "zset",
"Lfu": 253,
"NodeId": "r-x****-db-0",
"InBytes": 4502693,
"OutBytes": 1291659,
"Category": "qps"
}
]
},
"Code": "200",
"Success": "true"
}
Kode kesalahan
|
HTTP status code |
Error code |
Error message |
Description |
|---|---|---|---|
| 400 | InvalidParams | The request parameters are invalid. | |
| 403 | NoPermission | You are not authorized to do this action. |
Lihat Error Codes untuk daftar lengkap.
Catatan rilis
Lihat Release Notes untuk daftar lengkap.