システムによって割り当てられた読み取り重みを照会します。
操作説明
サポートされるデータベースエンジン
MySQL
SQL Server
機能説明
読み書き分離機能が有効になっている場合、この操作はシステムによって割り当てられた読み取り重みを計算するために使用されます。カスタム読み取り重みの詳細については、「DescribeDBInstanceNetInfo」をご参照ください。
前提条件
この操作を呼び出す前に、次の要件が満たされていることを確認してください。
-
インスタンスが MySQL を実行している場合、そのインスタンスは共有プロキシを使用します。
-
インスタンスは、次のいずれかの MySQL バージョンおよび RDS エディションを実行します。
RDS High-availability Edition (ローカルディスク) 上の MySQL 5.7
MySQL 5.6
RDS Cluster Edition 上の SQL Server
今すぐお試しください
テスト
RAM 認証
|
アクション |
アクセスレベル |
リソースタイプ |
条件キー |
依存アクション |
|
rds:CalculateDBInstanceWeight |
get |
*DBInstance
|
|
なし |
リクエストパラメーター
|
パラメーター |
型 |
必須 / 任意 |
説明 |
例 |
| DBInstanceId |
string |
必須 |
プライマリインスタンスの ID。 DescribeDBInstances 操作を呼び出して、インスタンス ID を照会できます。 |
rm-uf6wjk5**** |
レスポンスフィールド
|
フィールド |
型 |
説明 |
例 |
|
object |
レスポンスパラメーター。 |
||
| Items |
object |
||
| DBInstanceWeight |
array<object> |
システムによって割り当てられた読み取り重みに関する情報で構成される配列。 |
|
|
object |
|||
| DBInstanceId |
string |
インスタンス ID |
rm-uf6wjk5xxxxxxx |
| DBInstanceType |
string |
インスタンスのタイプ。有効値:
|
Master |
| ReadonlyInstanceSQLDelayedTime |
string |
読み取り専用インスタンスがデータをレプリケートする際の遅延。読み取り専用インスタンスは、ReadonlyInstanceSQLDelayedTime パラメーターで指定された遅延でプライマリインスタンスからデータをレプリケートします。単位:秒。 |
30 |
| Weight |
string |
システムがインスタンスに対してリアルタイムで計算する読み取り重み。 |
100 |
| RequestId |
string |
リクエスト ID。 |
C816A4BF-A6EC-4722-95F9-2055859CCFD2 |
例
成功レスポンス
JSONJSON
{
"Items": {
"DBInstanceWeight": [
{
"DBInstanceId": "rm-uf6wjk5xxxxxxx",
"DBInstanceType": "Master",
"ReadonlyInstanceSQLDelayedTime": "30",
"Weight": "100"
}
]
},
"RequestId": "C816A4BF-A6EC-4722-95F9-2055859CCFD2"
}
エラーコード
|
HTTP ステータスコード |
エラーコード |
エラーメッセージ |
説明 |
|---|---|---|---|
| 400 | Order.ComboInstanceNotAllowOperate | A package instance is not allowed to operate independently. | |
| 400 | Price.PricingPlanResultNotFound | Pricing plan price result not found. | |
| 400 | Order.NoRealNameAuthentication | You have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the user center for real-name authentication. | |
| 400 | InsufficientAvailableQuota | Your account quota limit is less than 0, please recharge before trying to purchase. | |
| 400 | CommodityServiceCalling.Exception | Failed to call commodity service. | |
| 400 | RegionDissolvedEOM | Dear customer, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will cease operations. You are currently unable to operate new purchase orders. Thank you for your understanding and support. | |
| 400 | Commodity.InvalidComponent | The module you purchased is not legal, please buy it again. | |
| 400 | RegionEndTimeDissolvedAustralia | Cloud services in the Australia (Sydney) region will be discontinued. Set the validity date to September 30, 2024 or earlier than September 30, 2024. | |
| 400 | Price.CommoditySys | Commodity system call exception. | |
| 400 | Pay.InsufficientBalance | Insufficient available balance. | |
| 400 | Order.PeriodInvalid | There is a problem with the period you selected, please choose again. | |
| 400 | pay.noCreditCard | Account not bound to credit card. | |
| 400 | Order.InstHasUnpaidOrder | There is an unpaid order for the service you have purchased. Please pay or void it before placing the order. | |
| 400 | noAvailablePaymentMethod | No payment method is specified for your account. We recommend that you add a payment method. | |
| 400 | BasicInfoUncompleted | Your information is incomplete. Complete your information before the operation. | |
| 400 | Risk.RiskControlRejection | Your account is abnormal, please contact customer service for details. | |
| 400 | Api.NotSupport | Specified api is not supported. | |
| 400 | ContainForbiddenLabelError | There is a label that prohibits placing orders. Please contact your distributor for assistance. | |
| 400 | InvalidDBInstanceId.NotFound | The DBInstanceId provided does not exist in records. | |
| 400 | InvalidInstanceLevel.DiskType | Specified instance level not support request disk type | |
| 400 | InvalidParam | Sepcified wal level Parameter is invalid. There are still logical slots in instance, so it can not be set as replica. | |
| 400 | KmsApiError | User secret key invalid. | |
| 400 | System.SaleValidateFailed | Sales expression validation system error. | |
| 400 | Abs.InvalidAccount.NotFound | account is not found. | |
| 400 | SqlExecuteFailedOrTimeout | sql command execution failed or timed out:%s. | |
| 400 | ColdData.EngineVersionNotSupport | The current instance engine version not support coldDataEnabled. | |
| 400 | ColdData.MinorVersionNotSupport | The current instance minor version not support coldDataEnabled. | |
| 400 | IncorrectTargetClasscode | The current instance type does not support this operation. | |
| 400 | InvalidConnectionString.Duplicate | Specified connection string already exists in the RDS. | |
| 400 | RequiredParam.NotFound | Required input param is not found. | |
| 400 | Parameters.Invalid | Parameter error, please check the parameters. | |
| 400 | BackupPolicyNotSupport | Cold Data won't open with CrossBackup or Flash Backup, please check Backup Policy. | |
| 400 | InvalideStatus.Format | The instance status does not support this operation. | |
| 400 | InvalidReleasedKeepPolicy.Format | Specified Released Keep Policy is not valid. | |
| 400 | InvalidDBInstanceEngineType.Format | the DB instance engine type does not support this operation. | |
| 400 | Pay.NoCreditCard | No credit cards. | |
| 400 | VpcNetworkTypeNotSupport | The vpc network type instance does not support this operation. | |
| 400 | MirrorInsExists | Specified DB instance mirror ins already existed. | |
| 400 | UnsupportedClassCode | The specified DB instance class stops selling. | |
| 400 | InvalidBackupSet | The specified database does not exist in the backup set. | |
| 400 | OrdTCommodityQueryError | Failed to query for product. | |
| 400 | ProductInstanceReleased | The instance has been released. Please check before placing the order. | |
| 400 | RegionEndTimeDissolvedIndia | The region is no longer supported. | |
| 500 | ExternalFailure | The request processing has failed due to external service failure. | |
| 500 | RequestMetaDataFailed | The service request failed. Please try again later or contact service personnel. | |
| 500 | InvokeProxyFailure | The request processing has failed due to service failure of rds api. | |
| 403 | IncorrectDBInstanceType | Current DB instance engine and type does not support operations. | 現在のデータベースタイプはこの操作をサポートしていません。 |
| 403 | IncorrectDBInstanceConnType | Current DB instance conn type does not support this operation. | 現在のネットワークアクセスモードはこの操作をサポートしていません。 |
| 403 | IncorrectDBType | The current DB type does not support this operation. | |
| 403 | OrderStatus.UnPaid | The specified db instance has unpaid order. | |
| 403 | InvalidReduceDiskSize | The storage capacity after the scale-down must be larger than the used amount. | |
| 403 | CloudSSDNotSupport | Cloud ssd does not support this operation, please upgrade to essd. | |
| 403 | InvalidUserOperatorPermission | The user permission does not support this operation. | |
| 403 | InvalidVswitchId | Specified conn vswitch id is not valid. | |
| 403 | IncorrectMinorVersion | Current engine minor version does not support operations. | |
| 403 | OperationDenied.ZoneResource | There is no available zone for inventory. | |
| 403 | NotInFlowController | Sorry,no permission. | |
| 403 | InvalidKmsKey | Kms key is disabled. | |
| 403 | InvalidInstanceLevel.Malformed | Current DB instance level does not support this operation. | |
| 404 | InvalidDBInstanceName.NotFound | Invalid DBInstanceId NotFound. | |
| 404 | IncorrectDBInstanceLockMode | Current DB instance lock mode does not support this operation. | |
| 404 | InvalidDBInstanceClass.NotFound | Specified DB instance class is not found. | |
| 404 | InvalidClusterKms | The current instance does not authorized to access the Key Management Service. | |
| 404 | Request.NotFound | The requested resource is not available. | |
| 404 | HostInfo.NotFound | The specified host info is not found. |
完全なリストについては、「エラーコード」をご参照ください。
変更履歴
完全なリストについては、「変更履歴」をご参照ください。