Mengkueri parameter untuk node tertentu dalam Kluster.
Coba sekarang
Test
RAM authorization
|
Action |
Access level |
Resource type |
Condition key |
Dependent action |
|
polardb:DescribeDBNodesParameters |
get |
*DBCluster
|
None | None |
Parameter permintaan
|
Parameter |
Type |
Required |
Description |
Example |
| DBClusterId |
string |
Yes |
ID Kluster. |
pc-**************** |
| DBNodeIds |
string |
Yes |
ID node. Anda dapat menentukan beberapa ID node. Pisahkan ID dengan tanda koma (,). |
pi-****************,pi-**************** |
Elemen respons
|
Element |
Type |
Description |
Example |
|
object |
|||
| DBVersion |
string |
The version of the MySQL database. Valid values:
|
5.6 |
| RequestId |
string |
The ID of the request. |
9B7BFB11-C077-4FE3-B051-F69CEB****** |
| DBType |
string |
The type of the database. The value is fixed as MySQL. |
MySQL |
| Engine |
string |
The database engine of the cluster. |
POLARDB |
| DBNodeIds |
array<object> |
The list of node IDs. |
|
|
array<object> |
|||
| DBNodeId |
string |
The ID of the node. |
pi-bp1r4qe3s534***** |
| RunningParameters |
array<object> |
The list of parameters that are running on the node. |
|
|
object |
|||
| CheckingCode |
string |
The valid values of the parameter. |
[utf8|latin1|gbk|utf8mb4] |
| DataType |
string |
The data type of the parameter value. Valid values:
|
INT |
| DefaultParameterValue |
string |
The default value of the parameter. |
utf8 |
| ForceRestart |
boolean |
Indicates whether a cluster restart is required to allow the parameter modification to take effect. Valid values:
|
true |
| IsModifiable |
boolean |
Indicates whether the parameter can be modified. Valid values:
|
true |
| ParameterDescription |
string |
The description of the parameter. |
The server's default character set. |
| ParameterName |
string |
The name of the parameter. |
character_set_server |
| ParameterStatus |
string |
The status of the parameter. Valid values:
|
normal |
| ParameterValue |
string |
The value of the parameter. |
utf8 |
| IsNodeAvailable |
string |
Indicates whether the parameter is a global parameter. Valid values:
|
1 |
| ParamRelyRule |
string |
The dependencies of the parameter. |
utf8 |
| Factor |
string |
A divisor of the parameter. For a parameter of the integer or byte type, the valid values must be a multiple of Factor unless you set Factor to 0. |
20 |
Contoh
Respons sukses
JSONformat
{
"DBVersion": "5.6",
"RequestId": "9B7BFB11-C077-4FE3-B051-F69CEB******",
"DBType": "MySQL",
"Engine": "POLARDB",
"DBNodeIds": [
{
"DBNodeId": "pi-bp1r4qe3s534*****",
"RunningParameters": [
{
"CheckingCode": "[utf8|latin1|gbk|utf8mb4]",
"DataType": "INT",
"DefaultParameterValue": "utf8",
"ForceRestart": true,
"IsModifiable": true,
"ParameterDescription": "The server's default character set.",
"ParameterName": "character_set_server",
"ParameterStatus": "normal",
"ParameterValue": "utf8",
"IsNodeAvailable": "1",
"ParamRelyRule": "utf8",
"Factor": "20"
}
]
}
]
}
Kode kesalahan
|
HTTP status code |
Error code |
Error message |
Description |
|---|---|---|---|
| 400 | InvalidDBNodeId.Malformed | The specified parameter DBNodeId is not valid. | |
| 400 | InvalidDBType.Malformed | The Specified DBType is not valid. | |
| 404 | InvalidDBCluster.NotFound | The specified DBClusterId is not found. | |
| 404 | InvalidDBClusterId.NotFound | The DBClusterId provided does not exist in our records. | |
| 404 | InvalidDBClusterId.Malformed | The specified parameter DBClusterId is not valid. |
Lihat Error Codes untuk daftar lengkap.
Catatan rilis
Lihat Release Notes untuk daftar lengkap.