DescribeDBInstanceHAConfig--云数据库 MySQL 版-火山引擎

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DescribeDBInstanceHAConfig

最近更新时间：2025.08.22 18:53:04首次发布时间：2025.07.30 15:44:31

调用 DescribeDBInstanceHAConfig 接口查询实例的高可用配置。

请求类型

同步请求。

调试

API Explorer

您可以通过 API Explorer 在线发起调用，无需关注签名生成过程，快速获取调用结果。

去调试

请求参数

参数	类型	是否必选	示例值	描述
InstanceId	String	是	mysql-f83edc2e****	实例 ID。

返回参数

参数	类型	示例值	描述
Nodes	Object[]	请参见返回示例。	实例的节点信息。
DataSyncMode	String	Async	数据同步方式： `SemiSync`：半同步。 `Async`：异步。

示例

请求示例

POST /?Action=DescribeDBInstanceHAConfig&Version=2022-01-01 HTTP/1.1
Content-Type: application/json
Host: rds-mysql.cn-beijing.volcengineapi.com
X-Date: 20211202T101010Z
Authorization: HMAC-SHA256 Credential=AKLTN2I0MmFiNzMxNWE5NDgzMzk4MmVjMTVkODlkZTZ****/20211202/cn-beijing/rds_mysql/request,SignedHeaders=x-date, Signature=71d31fc7bcf990142851c9833c5656391486cda0ae2e0b8ada733b7c6458****
{
    "InstanceId": "mysql-f83edc2e****"
}

返回示例

{
    "ResponseMetadata": {
        "RequestId": "202507241457515F39A06698620102A016-980eb2",
        "Action": "DescribeDBInstanceHAConfig",
        "Version": "2022-01-01",
        "Service": "rds_mysql",
        "Region": "cn-guangzhou"
    },
    "Result": {
        "DataSyncMode": "SemiSync",
        "Nodes": [
            {
                "CreateTime": "2025-07-23T03:40:54.000Z",
                "DelayReplicationTime": 0,
                "InstanceId": "mysql-f83edc2e****",
                "Memory": 1,
                "NodeId": "mysql-f83edc2e****-me954-0",
                "NodeSpec": "rds.mysql.d1.n.1c1g",
                "NodeStatus": "Running",
                "NodeType": "Primary",
                "RegionId": "cn-guangzhou",
                "ShardId": "",
                "SubInstanceId": "mysql-f83edc2e****-me954",
                "SyncDelay": 0,
                "UpdateTime": "",
                "VCPU": 1,
                "ZoneId": "cn-guangzhou-a"
            },
            {
                "CreateTime": "2025-07-23T03:40:54.000Z",
                "DelayReplicationTime": 0,
                "InstanceId": "mysql-f83edc2e****",
                "Memory": 1,
                "NodeId": "mysql-f83edc2e****-s8e03-0",
                "NodeSpec": "rds.mysql.d1.n.1c1g",
                "NodeStatus": "Running",
                "NodeType": "Secondary",
                "RegionId": "cn-guangzhou",
                "ShardId": "",
                "SubInstanceId": "mysql-f83edc2e****-s8e03",
                "SyncDelay": 0,
                "UpdateTime": "",
                "VCPU": 1,
                "ZoneId": "cn-guangzhou-a"
            },
            {
                "CreateTime": "2025-07-23T06:17:13.000Z",
                "DelayReplicationTime": 0,
                "InstanceId": "mysql-f83edc2e****",
                "Memory": 2,
                "NodeId": "mysql-f83edc2e****-r8386",
                "NodeSpec": "rds.mysql.d1.n.1c2g",
                "NodeStatus": "Running",
                "NodeType": "ReadOnly",
                "RegionId": "cn-guangzhou",
                "ShardId": "",
                "SubInstanceId": "mysql-f83edc2e****-r8386",
                "SyncDelay": 0,
                "UpdateTime": "",
                "VCPU": 1,
                "ZoneId": "cn-guangzhou-a"
            },
            {
                "CreateTime": "2025-07-24T06:06:31.000Z",
                "DelayReplicationTime": 0,
                "InstanceId": "mysql-f83edc2e****",
                "Memory": 4,
                "NodeId": "mysql-f83edc2e****-r9dcf",
                "NodeSpec": "rds.mysql.d1.n.2c4g",
                "NodeStatus": "Running",
                "NodeType": "ReadOnly",
                "RegionId": "cn-guangzhou",
                "ShardId": "",
                "SubInstanceId": "mysql-f83edc2e****-r4974",
                "SyncDelay": 0,
                "UpdateTime": "",
                "VCPU": 2,
                "ZoneId": "cn-guangzhou-a"
            }
        ]
    }
}

错误码

更多详情，请参见错误码。