ModifyDBCluster - Amazon Relational Database Service

ModifyDBCluster

Modify the settings for an Amazon Aurora DB cluster or a Multi-AZ DB cluster. You can change one or more settings by specifying these parameters and the new values in the request.

For more information on Amazon Aurora DB clusters, see What is Amazon Aurora? in the Amazon Aurora User Guide.

For more information on Multi-AZ DB clusters, see Multi-AZ deployments with two readable standby DB instances in the Amazon RDS User Guide.

Note

The Multi-AZ DB clusters feature is in preview and is subject to change.

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

AllocatedStorage

The amount of storage in gibibytes (GiB) to allocate to each DB instance in the Multi-AZ DB cluster.

Type: Integer

Valid for: Multi-AZ DB clusters only

Type: Integer

Required: No

AllowMajorVersionUpgrade

A value that indicates whether major version upgrades are allowed.

Constraints: You must allow major version upgrades when specifying a value for the EngineVersion parameter that is a different major version than the DB cluster's current version.

Valid for: Aurora DB clusters only

Type: Boolean

Required: No

ApplyImmediately

A value that indicates whether the modifications in this request and any pending modifications are asynchronously applied as soon as possible, regardless of the PreferredMaintenanceWindow setting for the DB cluster. If this parameter is disabled, changes to the DB cluster are applied during the next maintenance window.

The ApplyImmediately parameter only affects the EnableIAMDatabaseAuthentication, MasterUserPassword, and NewDBClusterIdentifier values. If the ApplyImmediately parameter is disabled, then changes to the EnableIAMDatabaseAuthentication, MasterUserPassword, and NewDBClusterIdentifier values are applied during the next maintenance window. All other changes are applied immediately, regardless of the value of the ApplyImmediately parameter.

By default, this parameter is disabled.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: Boolean

Required: No

AutoMinorVersionUpgrade

A value that indicates whether minor engine upgrades are applied automatically to the DB cluster during the maintenance window. By default, minor engine upgrades are applied automatically.

Valid for: Multi-AZ DB clusters only

Type: Boolean

Required: No

BacktrackWindow

The target backtrack window, in seconds. To disable backtracking, set this value to 0.

Default: 0

Constraints:

  • If specified, this value must be set to a number from 0 to 259,200 (72 hours).

Valid for: Aurora MySQL DB clusters only

Type: Long

Required: No

BackupRetentionPeriod

The number of days for which automated backups are retained. Specify a minimum value of 1.

Default: 1

Constraints:

  • Must be a value from 1 to 35

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: Integer

Required: No

CloudwatchLogsExportConfiguration

The configuration setting for the log types to be enabled for export to CloudWatch Logs for a specific DB cluster.

Valid for: Aurora DB clusters only

Type: CloudwatchLogsExportConfiguration object

Required: No

CopyTagsToSnapshot

A value that indicates whether to copy all tags from the DB cluster to snapshots of the DB cluster. The default is not to copy them.

Valid for: Aurora DB clusters only

Type: Boolean

Required: No

DBClusterIdentifier

The DB cluster identifier for the cluster being modified. This parameter isn't case-sensitive.

Constraints: This identifier must match the identifier of an existing DB cluster.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: Yes

DBClusterInstanceClass

The compute and memory capacity of each DB instance in the Multi-AZ DB cluster, for example db.m6g.xlarge. Not all DB instance classes are available in all AWS Regions, or for all database engines.

For the full list of DB instance classes and availability for your engine, see DB Instance Class in the Amazon RDS User Guide.

Valid for: Multi-AZ DB clusters only

Type: String

Required: No

DBClusterParameterGroupName

The name of the DB cluster parameter group to use for the DB cluster.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: No

DBInstanceParameterGroupName

The name of the DB parameter group to apply to all instances of the DB cluster.

Note

When you apply a parameter group using the DBInstanceParameterGroupName parameter, the DB cluster isn't rebooted automatically. Also, parameter changes aren't applied during the next maintenance window but instead are applied immediately.

Default: The existing name setting

Constraints:

  • The DB parameter group must be in the same DB parameter group family as this DB cluster.

  • The DBInstanceParameterGroupName parameter is only valid in combination with the AllowMajorVersionUpgrade parameter.

Valid for: Aurora DB clusters only

Type: String

Required: No

DeletionProtection

A value that indicates whether the DB cluster has deletion protection enabled. The database can't be deleted when deletion protection is enabled. By default, deletion protection isn't enabled.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: Boolean

Required: No

Domain

The Active Directory directory ID to move the DB cluster to. Specify none to remove the cluster from its current domain. The domain must be created prior to this operation.

For more information, see Kerberos Authentication in the Amazon Aurora User Guide.

Valid for: Aurora DB clusters only

Type: String

Required: No

DomainIAMRoleName

Specify the name of the IAM role to be used when making API calls to the Directory Service.

Valid for: Aurora DB clusters only

Type: String

Required: No

EnableGlobalWriteForwarding

A value that indicates whether to enable this DB cluster to forward write operations to the primary cluster of an Aurora global database (GlobalCluster). By default, write operations are not allowed on Aurora DB clusters that are secondary clusters in an Aurora global database.

You can set this value only on Aurora DB clusters that are members of an Aurora global database. With this parameter enabled, a secondary cluster can forward writes to the current primary cluster and the resulting changes are replicated back to this cluster. For the primary DB cluster of an Aurora global database, this value is used immediately if the primary is demoted by the FailoverGlobalCluster API operation, but it does nothing until then.

Valid for: Aurora DB clusters only

Type: Boolean

Required: No

EnableHttpEndpoint

A value that indicates whether to enable the HTTP endpoint for an Aurora Serverless DB cluster. By default, the HTTP endpoint is disabled.

When enabled, the HTTP endpoint provides a connectionless web service API for running SQL queries on the Aurora Serverless DB cluster. You can also query your database from inside the RDS console with the query editor.

For more information, see Using the Data API for Aurora Serverless in the Amazon Aurora User Guide.

Valid for: Aurora DB clusters only

Type: Boolean

Required: No

EnableIAMDatabaseAuthentication

A value that indicates whether to enable mapping of AWS Identity and Access Management (IAM) accounts to database accounts. By default, mapping isn't enabled.

For more information, see IAM Database Authentication in the Amazon Aurora User Guide.

Valid for: Aurora DB clusters only

Type: Boolean

Required: No

EnablePerformanceInsights

A value that indicates whether to turn on Performance Insights for the DB cluster.

For more information, see Using Amazon Performance Insights in the Amazon RDS User Guide.

Valid for: Multi-AZ DB clusters only

Type: Boolean

Required: No

EngineVersion

The version number of the database engine to which you want to upgrade. Changing this parameter results in an outage. The change is applied during the next maintenance window unless ApplyImmediately is enabled.

To list all of the available engine versions for MySQL 5.6-compatible Aurora, use the following command:

aws rds describe-db-engine-versions --engine aurora --query "DBEngineVersions[].EngineVersion"

To list all of the available engine versions for MySQL 5.7-compatible and MySQL 8.0-compatible Aurora, use the following command:

aws rds describe-db-engine-versions --engine aurora-mysql --query "DBEngineVersions[].EngineVersion"

To list all of the available engine versions for Aurora PostgreSQL, use the following command:

aws rds describe-db-engine-versions --engine aurora-postgresql --query "DBEngineVersions[].EngineVersion"

To list all of the available engine versions for RDS for MySQL, use the following command:

aws rds describe-db-engine-versions --engine mysql --query "DBEngineVersions[].EngineVersion"

To list all of the available engine versions for RDS for PostgreSQL, use the following command:

aws rds describe-db-engine-versions --engine postgres --query "DBEngineVersions[].EngineVersion"

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: No

Iops

The amount of Provisioned IOPS (input/output operations per second) to be initially allocated for each DB instance in the Multi-AZ DB cluster.

For information about valid Iops values, see Amazon RDS Provisioned IOPS Storage to Improve Performance in the Amazon RDS User Guide.

Constraints: Must be a multiple between .5 and 50 of the storage amount for the DB cluster.

Valid for: Multi-AZ DB clusters only

Type: Integer

Required: No

MasterUserPassword

The new password for the master database user. This password can contain any printable ASCII character except "/", """, or "@".

Constraints: Must contain from 8 to 41 characters.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: No

MonitoringInterval

The interval, in seconds, between points when Enhanced Monitoring metrics are collected for the DB cluster. To turn off collecting Enhanced Monitoring metrics, specify 0. The default is 0.

If MonitoringRoleArn is specified, also set MonitoringInterval to a value other than 0.

Valid Values: 0, 1, 5, 10, 15, 30, 60

Valid for: Multi-AZ DB clusters only

Type: Integer

Required: No

MonitoringRoleArn

The Amazon Resource Name (ARN) for the IAM role that permits RDS to send Enhanced Monitoring metrics to Amazon CloudWatch Logs. An example is arn:aws:iam:123456789012:role/emaccess. For information on creating a monitoring role, see To create an IAM role for Amazon RDS Enhanced Monitoring in the Amazon RDS User Guide.

If MonitoringInterval is set to a value other than 0, supply a MonitoringRoleArn value.

Valid for: Multi-AZ DB clusters only

Type: String

Required: No

NewDBClusterIdentifier

The new DB cluster identifier for the DB cluster when renaming a DB cluster. This value is stored as a lowercase string.

Constraints:

  • Must contain from 1 to 63 letters, numbers, or hyphens

  • The first character must be a letter

  • Can't end with a hyphen or contain two consecutive hyphens

Example: my-cluster2

Valid for: Aurora DB clusters only

Type: String

Required: No

OptionGroupName

A value that indicates that the DB cluster should be associated with the specified option group.

DB clusters are associated with a default option group that can't be modified.

Type: String

Required: No

PerformanceInsightsKMSKeyId

The AWS KMS key identifier for encryption of Performance Insights data.

The AWS KMS key identifier is the key ARN, key ID, alias ARN, or alias name for the KMS key.

If you don't specify a value for PerformanceInsightsKMSKeyId, then Amazon RDS uses your default KMS key. There is a default KMS key for your AWS account. Your AWS account has a different default KMS key for each AWS Region.

Valid for: Multi-AZ DB clusters only

Type: String

Required: No

PerformanceInsightsRetentionPeriod

The amount of time, in days, to retain Performance Insights data. Valid values are 7 or 731 (2 years).

Valid for: Multi-AZ DB clusters only

Type: Integer

Required: No

Port

The port number on which the DB cluster accepts connections.

Constraints: Value must be 1150-65535

Default: The same port as the original DB cluster.

Valid for: Aurora DB clusters only

Type: Integer

Required: No

PreferredBackupWindow

The daily time range during which automated backups are created if automated backups are enabled, using the BackupRetentionPeriod parameter.

The default is a 30-minute window selected at random from an 8-hour block of time for each AWS Region. To view the time blocks available, see Backup window in the Amazon Aurora User Guide.

Constraints:

  • Must be in the format hh24:mi-hh24:mi.

  • Must be in Universal Coordinated Time (UTC).

  • Must not conflict with the preferred maintenance window.

  • Must be at least 30 minutes.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: No

PreferredMaintenanceWindow

The weekly time range during which system maintenance can occur, in Universal Coordinated Time (UTC).

Format: ddd:hh24:mi-ddd:hh24:mi

The default is a 30-minute window selected at random from an 8-hour block of time for each AWS Region, occurring on a random day of the week. To see the time blocks available, see Adjusting the Preferred DB Cluster Maintenance Window in the Amazon Aurora User Guide.

Valid Days: Mon, Tue, Wed, Thu, Fri, Sat, Sun.

Constraints: Minimum 30-minute window.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: String

Required: No

ScalingConfiguration

The scaling properties of the DB cluster. You can only modify scaling properties for DB clusters in serverless DB engine mode.

Valid for: Aurora DB clusters only

Type: ScalingConfiguration object

Required: No

StorageType

Specifies the storage type to be associated with the DB cluster.

Valid values: io1

When specified, a value for the Iops parameter is required.

Default: io1

Valid for: Multi-AZ DB clusters only

Type: String

Required: No

VpcSecurityGroupIds.VpcSecurityGroupId.N

A list of VPC security groups that the DB cluster will belong to.

Valid for: Aurora DB clusters and Multi-AZ DB clusters

Type: Array of strings

Required: No

Response Elements

The following element is returned by the service.

DBCluster

Contains the details of an Amazon Aurora DB cluster or Multi-AZ DB cluster.

For an Amazon Aurora DB cluster, this data type is used as a response element in the operations CreateDBCluster, DeleteDBCluster, DescribeDBClusters, FailoverDBCluster, ModifyDBCluster, PromoteReadReplicaDBCluster, RestoreDBClusterFromS3, RestoreDBClusterFromSnapshot, RestoreDBClusterToPointInTime, StartDBCluster, and StopDBCluster.

For a Multi-AZ DB cluster, this data type is used as a response element in the operations CreateDBCluster, DeleteDBCluster, DescribeDBClusters, FailoverDBCluster, ModifyDBCluster, RebootDBCluster, RestoreDBClusterFromSnapshot, and RestoreDBClusterToPointInTime.

For more information on Amazon Aurora DB clusters, see What is Amazon Aurora? in the Amazon Aurora User Guide.

For more information on Multi-AZ DB clusters, see Multi-AZ deployments with two readable standby DB instances in the Amazon RDS User Guide.

Note

The Multi-AZ DB clusters feature is in preview and is subject to change.

Type: DBCluster object

Errors

For information about the errors that are common to all actions, see Common Errors.

DBClusterAlreadyExistsFault

The user already has a DB cluster with the given identifier.

HTTP Status Code: 400

DBClusterNotFoundFault

DBClusterIdentifier doesn't refer to an existing DB cluster.

HTTP Status Code: 404

DBClusterParameterGroupNotFound

DBClusterParameterGroupName doesn't refer to an existing DB cluster parameter group.

HTTP Status Code: 404

DBSubnetGroupNotFoundFault

DBSubnetGroupName doesn't refer to an existing DB subnet group.

HTTP Status Code: 404

DomainNotFoundFault

Domain doesn't refer to an existing Active Directory domain.

HTTP Status Code: 404

InvalidDBClusterStateFault

The requested operation can't be performed while the cluster is in this state.

HTTP Status Code: 400

InvalidDBInstanceState

The DB instance isn't in a valid state.

HTTP Status Code: 400

InvalidDBSecurityGroupState

The state of the DB security group doesn't allow deletion.

HTTP Status Code: 400

InvalidDBSubnetGroupStateFault

The DB subnet group cannot be deleted because it's in use.

HTTP Status Code: 400

InvalidSubnet

The requested subnet is invalid, or multiple subnets were requested that are not all in a common VPC.

HTTP Status Code: 400

InvalidVPCNetworkStateFault

The DB subnet group doesn't cover all Availability Zones after it's created because of users' change.

HTTP Status Code: 400

StorageQuotaExceeded

The request would result in the user exceeding the allowed amount of storage available across all DB instances.

HTTP Status Code: 400

Examples

Modifying an Aurora DB cluster

This example illustrates one usage of ModifyDBCluster.

Sample Request

https://rds.us-west-2.amazonaws.com/ ?Action=ModifyDBCluster &DBClusterIdentifier=sample-cluster3 &SignatureMethod=HmacSHA256 &SignatureVersion=4 &Version=2014-10-31 &X-Amz-Algorithm=AWS4-HMAC-SHA256 &X-Amz-Credential=AKIADQKE4SARGYLE/20140725/us-west-2/rds/aws4_request &X-Amz-Date=20140725T161457Z &X-Amz-SignedHeaders=content-type;host;user-agent;x-amz-content-sha256;x-amz-date &X-Amz-Signature=d6d1c65c2e94f5800ab411a3f7336625820b103713b6c063430900514e21d784

Sample Response

<ModifyDBClusterResponse xmlns="http://rds.amazonaws.com/doc/2014-10-31/"> <ModifyDBClusterResult> <DBCluster> <Engine>aurora5.6</Engine> <Status>available</Status> <BackupRetentionPeriod>0</BackupRetentionPeriod> <DBSubnetGroup>my-subgroup</DBSubnetGroup> <EngineVersion>5.6.10a</EngineVersion> <Endpoint>sample-cluster3.cluster-cefgqfx9y5fy.us-east-1.rds.amazonaws.com</Endpoint> <DBClusterIdentifier>sample-cluster3</DBClusterIdentifier> <PreferredBackupWindow>07:06-07:36</PreferredBackupWindow> <PreferredMaintenanceWindow>tue:10:18-tue:10:48</PreferredMaintenanceWindow> <DBClusterMembers> <DBClusterMember> <IsClusterWriter>true</IsClusterWriter> <DBInstanceIdentifier>sample-cluster3-master</DBInstanceIdentifier> </DBClusterMember> <DBClusterMember> <IsClusterWriter>false</IsClusterWriter> <DBInstanceIdentifier>sample-cluster3-read1</DBInstanceIdentifier> </DBClusterMember> </DBClusterMembers> <AllocatedStorage>15</AllocatedStorage> <MasterUsername>awsuser</MasterUsername> </DBCluster> </ModifyDBClusterResult> <ResponseMetadata> <RequestId>d2cd0e2f-1416-11e4-9210-cf99df4125d0</RequestId> </ResponseMetadata> </ModifyDBClusterResponse>

Modifying a Multi-AZ DB cluster

This example illustrates one usage of ModifyDBCluster.

Sample Request

https://rds.us-west-2.amazonaws.com/ ?Action=ModifyDBCluster &DBClusterIdentifier=my-multi-az-cluster &DBClusterInstanceClass=db.m6gd.large &SignatureMethod=HmacSHA256 &SignatureVersion=4 &Version=2014-10-31 &X-Amz-Algorithm=AWS4-HMAC-SHA256 &X-Amz-Credential=AKIADQKE4SARGYLE/20211026/us-west-2/rds/aws4_request &X-Amz-Date=20211027T000032Z &X-Amz-SignedHeaders=content-type;host;user-agent;x-amz-content-sha256;x-amz-date &X-Amz-Signature=d6d1c65c2e94f5800ab411a3f7336625820b103713b6c063430900514e21d784

Sample Response

<ModifyDBClusterResponse xmlns="http://rds.amazonaws.com/doc/2014-10-31/"> <ModifyDBClusterResult> <DBCluster> <CrossAccountClone>false</CrossAccountClone> <AllocatedStorage>100</AllocatedStorage> <DatabaseName>mydb</DatabaseName> <AssociatedRoles /> <AvailabilityZones> <AvailabilityZone>us-west-2a</AvailabilityZone> <AvailabilityZone>us-west-2b</AvailabilityZone> <AvailabilityZone>us-west-2c</AvailabilityZone> </AvailabilityZones> <ReadReplicaIdentifiers /> <Iops>1000</Iops> <PerformanceInsightsKMSKeyId>arn:aws:kms:us-west-2:123456789012:key/123EXAMPLE-abcd-4567-efgEXAMPLE</PerformanceInsightsKMSKeyId> <PerformanceInsightsRetentionPeriod>7</PerformanceInsightsRetentionPeriod> <EngineVersion>8.0.26</EngineVersion> <MasterUsername>admin</MasterUsername> <DBClusterMembers> <DBClusterMember> <DBInstanceIdentifier>my-multi-az-cluster-instance-3</DBInstanceIdentifier> <DBClusterParameterGroupStatus>in-sync</DBClusterParameterGroupStatus> <PromotionTier>1</PromotionTier> <IsClusterWriter>false</IsClusterWriter> </DBClusterMember> <DBClusterMember> <DBInstanceIdentifier>my-multi-az-cluster-instance-2</DBInstanceIdentifier> <DBClusterParameterGroupStatus>in-sync</DBClusterParameterGroupStatus> <PromotionTier>1</PromotionTier> <IsClusterWriter>false</IsClusterWriter> </DBClusterMember> <DBClusterMember> <DBInstanceIdentifier>my-multi-az-cluster-instance-1</DBInstanceIdentifier> <DBClusterParameterGroupStatus>in-sync</DBClusterParameterGroupStatus> <PromotionTier>1</PromotionTier> <IsClusterWriter>true</IsClusterWriter> </DBClusterMember> </DBClusterMembers> <HttpEndpointEnabled>false</HttpEndpointEnabled> <Port>3306</Port> <MonitoringInterval>30</MonitoringInterval> <BackupRetentionPeriod>2</BackupRetentionPeriod> <KmsKeyId>arn:aws:kms:us-west-2:123456789012:key/123EXAMPLE-abcd-4567-efgEXAMPLE</KmsKeyId> <DBClusterIdentifier>my-multi-az-cluster</DBClusterIdentifier> <DbClusterResourceId>cluster-TSW4QJNKY3P2DNDRR523BDGEIU</DbClusterResourceId> <Status>available</Status> <LatestRestorableTime>2021-10-26T23:55:00Z</LatestRestorableTime> <PreferredBackupWindow>11:34-12:04</PreferredBackupWindow> <DeletionProtection>false</DeletionProtection> <Endpoint>my-multi-az-cluster.cluster-123456789012.us-west-2.rds.amazonaws.com</Endpoint> <EngineMode>provisioned</EngineMode> <Engine>mysql</Engine> <ReaderEndpoint>my-multi-az-cluster.cluster-ro-123456789012.us-west-2.rds.amazonaws.com</ReaderEndpoint> <PubliclyAccessible>true</PubliclyAccessible> <IAMDatabaseAuthenticationEnabled>false</IAMDatabaseAuthenticationEnabled> <EarliestRestorableTime>2021-10-26T20:42:03.375Z</EarliestRestorableTime> <ClusterCreateTime>2021-10-26T20:31:54.943Z</ClusterCreateTime> <PerformanceInsightsEnabled>true</PerformanceInsightsEnabled> <MultiAZ>true</MultiAZ> <DomainMemberships /> <MonitoringRoleArn>arn:aws:iam::123456789012:role/enhance-monitoring-role</MonitoringRoleArn> <StorageEncrypted>true</StorageEncrypted> <DBSubnetGroup>mysubnet1</DBSubnetGroup> <VpcSecurityGroups> <VpcSecurityGroupMembership> <VpcSecurityGroupId>sg-6921cc28</VpcSecurityGroupId> <Status>active</Status> </VpcSecurityGroupMembership> </VpcSecurityGroups> <HostedZoneId>Z3GZ3VYA3PGHTQ</HostedZoneId> <TagList /> <PreferredMaintenanceWindow>sat:07:05-sat:07:35</PreferredMaintenanceWindow> <DBClusterParameterGroup>my-multi-az-cpg</DBClusterParameterGroup> <StorageType>io1</StorageType> <DBClusterInstanceClass>db.m6gd.large</DBClusterInstanceClass> <CopyTagsToSnapshot>false</CopyTagsToSnapshot> <AutoMinorVersionUpgrade>true</AutoMinorVersionUpgrade> <DBClusterArn>arn:aws:rds:us-west-2:123456789012:cluster:my-multi-az-cluster</DBClusterArn> </DBCluster> </ModifyDBClusterResult> <ResponseMetadata> <RequestId>69673d54-e48e-4ba4-9333-c5a6c1e7526a</RequestId> </ResponseMetadata> </ModifyDBClusterResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: