FailoverShard - Amazon MemoryDB
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FailoverShard

Used to failover a shard. This API is designed for testing the behavior of your application in case of MemoryDB failover. It is not designed to be used as a production-level tool for initiating a failover to overcome a problem you may have with the cluster. Moreover, in certain conditions such as large scale operational events, Amazon may block this API.

Request Syntax

{ "ClusterName": "string", "ShardName": "string" }

Request Parameters

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

The request accepts the following data in JSON format.

ClusterName

The cluster being failed over

Type: String

Required: Yes

ShardName

The name of the shard

Type: String

Required: Yes

Response Syntax

{ "Cluster": { "ACLName": "string", "ARN": "string", "AutoMinorVersionUpgrade": boolean, "AvailabilityMode": "string", "ClusterEndpoint": { "Address": "string", "Port": number }, "Description": "string", "EnginePatchVersion": "string", "EngineVersion": "string", "KmsKeyId": "string", "MaintenanceWindow": "string", "Name": "string", "NodeType": "string", "NumberOfShards": number, "ParameterGroupName": "string", "ParameterGroupStatus": "string", "PendingUpdates": { "ACLs": { "ACLToApply": "string" }, "Resharding": { "SlotMigration": { "ProgressPercentage": number } }, "ServiceUpdates": [ { "ServiceUpdateName": "string", "Status": "string" } ] }, "SecurityGroups": [ { "SecurityGroupId": "string", "Status": "string" } ], "Shards": [ { "Name": "string", "Nodes": [ { "AvailabilityZone": "string", "CreateTime": number, "Endpoint": { "Address": "string", "Port": number }, "Name": "string", "Status": "string" } ], "NumberOfNodes": number, "Slots": "string", "Status": "string" } ], "SnapshotRetentionLimit": number, "SnapshotWindow": "string", "SnsTopicArn": "string", "SnsTopicStatus": "string", "Status": "string", "SubnetGroupName": "string", "TLSEnabled": boolean } }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

Cluster

The cluster being failed over

Type: Cluster object

Errors

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

APICallRateForCustomerExceededFault

HTTP Status Code: 400

ClusterNotFoundFault

HTTP Status Code: 400

InvalidClusterStateFault

HTTP Status Code: 400

InvalidKMSKeyFault

HTTP Status Code: 400

InvalidParameterCombinationException

HTTP Status Code: 400

InvalidParameterValueException

HTTP Status Code: 400

ShardNotFoundFault

HTTP Status Code: 400

TestFailoverNotAvailableFault

HTTP Status Code: 400

See Also

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