调用 DescribeDBNodeParameterDifferences 接口查询实例的节点参数差异信息。

请求类型

同步请求。

调试

请求参数

返回参数

示例

请求示例

POST /?Action=DescribeDBNodeParameterDifferences&Version=2022-01-01 HTTP/1.1
Content-Type: application/json
Host: rds.volcengineapi.com
X-Date: 20211202T101010Z
Authorization: HMAC-SHA256 Credential=AKLTN2I0MmFiNzMxNWE5NDgzMzk4MmVjMTVkODlkZTZ****/20211202/cn-beijing/rds_mysql/request,SignedHeaders=x-date, Signature=71d31fc7bcf990142851c9833c5656391486cda0ae2e0b8ada733b7c6458****
{
    "InstanceId": "mysql-25651c34****"
}

返回示例

{
    "ResponseMetadata": {
        "RequestId": "20250605204036314B7292FA47816D6B56-561288",
        "Action": "DescribeDBNodeParameterDifferences",
        "Version": "2022-01-01",
        "Service": "rds_mysql",
        "Region": "cn-beijing2"
    },
    "Result": {
        "NodeDifferentParameters": [
            {
                "NodeParameterValueDetails": [
                    {
                        "Expression": "",
                        "NodeId": "mysql-25651c34****-md1b4-0",
                        "NodeSpec": "rds.mysql.d1.n.1c1g",
                        "NodeType": "Primary",
                        "ParameterValue": "4194304",
                        "ZoneId": "cn-beijing-a"
                    },
                    {
                        "Expression": "",
                        "NodeId": "mysql-25651c34****-r399d",
                        "NodeSpec": "rds.mysql.d1.n.1c1g",
                        "NodeType": "ReadOnly",
                        "ParameterValue": "4194305",
                        "ZoneId": "cn-beijing-a"
                    }
                ],
                "ParameterName": "bulk_insert_buffer_size"
            }
        ]
    }
}

错误码

更多详情，请参见错误码。