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[ aws . memorydb ]



Used to failover a shard

See also: AWS API Documentation

See 'aws help' for descriptions of global parameters.


--cluster-name <value>
--shard-name <value>
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]


--cluster-name (string)

The cluster being failed over

--shard-name (string)

The name of the shard

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See 'aws help' for descriptions of global parameters.


Cluster -> (structure)

The cluster being failed over

Name -> (string)

The user-supplied name of the cluster. This identifier is a unique key that identifies a cluster.

Description -> (string)

A description of the cluster

Status -> (string)

The status of the cluster. For example, Available, Updating, Creating.

PendingUpdates -> (structure)

A group of settings that are currently being applied.

Resharding -> (structure)

The status of an online resharding operation.

SlotMigration -> (structure)

The status of the online resharding slot migration

ProgressPercentage -> (double)

The percentage of the slot migration that is complete.

ACLs -> (structure)

A list of ACLs associated with the cluster that are being updated

ACLToApply -> (string)

A list of ACLs pending to be applied.

ServiceUpdates -> (list)

A list of service updates being applied to the cluster


Update action that has yet to be processed for the corresponding apply/stop request

ServiceUpdateName -> (string)

The unique ID of the service update

Status -> (string)

The status of the service update

NumberOfShards -> (integer)

The number of shards in the cluster

Shards -> (list)

A list of shards that are members of the cluster.


Represents a collection of nodes in a cluster. One node in the node group is the read/write primary node. All the other nodes are read-only Replica nodes.

Name -> (string)

The name of the shard

Status -> (string)

The current state of this replication group - creating, available, modifying, deleting.

Slots -> (string)

The keyspace for this shard.

Nodes -> (list)

A list containing information about individual nodes within the shard


Represents an individual node within a cluster. Each node runs its own instance of the cluster's protocol-compliant caching software.

Name -> (string)

The node identifier. A node name is a numeric identifier (0001, 0002, etc.). The combination of cluster name, shard name and node name uniquely identifies every node used in a customer's Amazon account.

Status -> (string)

The status of the service update on the node

AvailabilityZone -> (string)

The Availability Zone in which the node resides

CreateTime -> (timestamp)

The date and time when the node was created.

Endpoint -> (structure)

The hostname for connecting to this node.

Address -> (string)

The DNS hostname of the node.

Port -> (integer)

The port number that the engine is listening on.

NumberOfNodes -> (integer)

The number of nodes in the shard

AvailabilityMode -> (string)

Indicates if the cluster has a Multi-AZ configuration (multiaz) or not (singleaz).

ClusterEndpoint -> (structure)

The cluster's configuration endpoint

Address -> (string)

The DNS hostname of the node.

Port -> (integer)

The port number that the engine is listening on.

NodeType -> (string)

The cluster's node type

EngineVersion -> (string)

The Redis engine version used by the cluster

EnginePatchVersion -> (string)

The Redis engine patch version used by the cluster

ParameterGroupName -> (string)

The name of the parameter group used by the cluster

ParameterGroupStatus -> (string)

The status of the parameter group used by the cluster, for example 'active' or 'applying'.

SecurityGroups -> (list)

A list of security groups used by the cluster


Represents a single security group and its status.

SecurityGroupId -> (string)

The identifier of the security group.

Status -> (string)

The status of the security group membership. The status changes whenever a security group is modified, or when the security groups assigned to a cluster are modified.

SubnetGroupName -> (string)

The name of the subnet group used by the cluster

TLSEnabled -> (boolean)

A flag to indicate if In-transit encryption is enabled

KmsKeyId -> (string)

The ID of the KMS key used to encrypt the cluster

ARN -> (string)

The Amazon Resource Name (ARN) of the cluster.

SnsTopicArn -> (string)

The Amazon Resource Name (ARN) of the SNS notification topic

SnsTopicStatus -> (string)

The SNS topic must be in Active status to receive notifications

SnapshotRetentionLimit -> (integer)

The number of days for which MemoryDB retains automatic snapshots before deleting them. For example, if you set SnapshotRetentionLimit to 5, a snapshot that was taken today is retained for 5 days before being deleted.

MaintenanceWindow -> (string)

Specifies the weekly time range during which maintenance on the cluster is performed. It is specified as a range in the format ddd:hh24:mi-ddd:hh24:mi (24H Clock UTC). The minimum maintenance window is a 60 minute period.

SnapshotWindow -> (string)

The daily time range (in UTC) during which MemoryDB begins taking a daily snapshot of your shard. Example: 05:00-09:00 If you do not specify this parameter, MemoryDB automatically chooses an appropriate time range.

ACLName -> (string)

The name of the Access Control List associated with this cluster.

AutoMinorVersionUpgrade -> (boolean)

When set to true, the cluster will automatically receive minor engine version upgrades after launch.