AWS Database Migration Service
API Reference (API Version 2016-01-01)

StartReplicationTask

Starts the replication task.

For more information about AWS DMS tasks, see Working with Migration Tasks in the AWS Database Migration Service User Guide.

Request Syntax

{ "CdcStartPosition": "string", "CdcStartTime": number, "CdcStopPosition": "string", "ReplicationTaskArn": "string", "StartReplicationTaskType": "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.

CdcStartPosition

Indicates when you want a change data capture (CDC) operation to start. Use either CdcStartPosition or CdcStartTime to specify when you want a CDC operation to start. Specifying both values results in an error.

The value can be in date, checkpoint, or LSN/SCN format.

Date Example: --cdc-start-position “2018-03-08T12:12:12”

Checkpoint Example: --cdc-start-position "checkpoint:V1#27#mysql-bin-changelog.157832:1975:-1:2002:677883278264080:mysql-bin-changelog.157832:1876#0#0#*#0#93"

LSN Example: --cdc-start-position “mysql-bin-changelog.000024:373”

Type: String

Required: No

CdcStartTime

Indicates the start time for a change data capture (CDC) operation. Use either CdcStartTime or CdcStartPosition to specify when you want a CDC operation to start. Specifying both values results in an error.

Timestamp Example: --cdc-start-time “2018-03-08T12:12:12”

Type: Timestamp

Required: No

CdcStopPosition

Indicates when you want a change data capture (CDC) operation to stop. The value can be either server time or commit time.

Server time example: --cdc-stop-position “server_time:3018-02-09T12:12:12”

Commit time example: --cdc-stop-position “commit_time: 3018-02-09T12:12:12 “

Type: String

Required: No

ReplicationTaskArn

The Amazon Resource Name (ARN) of the replication task to be started.

Type: String

Required: Yes

StartReplicationTaskType

The type of replication task.

Type: String

Valid Values: start-replication | resume-processing | reload-target

Required: Yes

Response Syntax

{ "ReplicationTask": { "CdcStartPosition": "string", "CdcStopPosition": "string", "LastFailureMessage": "string", "MigrationType": "string", "RecoveryCheckpoint": "string", "ReplicationInstanceArn": "string", "ReplicationTaskArn": "string", "ReplicationTaskCreationDate": number, "ReplicationTaskIdentifier": "string", "ReplicationTaskSettings": "string", "ReplicationTaskStartDate": number, "ReplicationTaskStats": { "ElapsedTimeMillis": number, "FullLoadProgressPercent": number, "TablesErrored": number, "TablesLoaded": number, "TablesLoading": number, "TablesQueued": number }, "SourceEndpointArn": "string", "Status": "string", "StopReason": "string", "TableMappings": "string", "TargetEndpointArn": "string" } }

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.

ReplicationTask

The replication task started.

Type: ReplicationTask object

Errors

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

AccessDeniedFault

AWS DMS was denied access to the endpoint.

HTTP Status Code: 400

InvalidResourceStateFault

The resource is in a state that prevents it from being used for database migration.

HTTP Status Code: 400

ResourceNotFoundFault

The resource could not be found.

HTTP Status Code: 400

Example

Sample Request

POST / HTTP/1.1 Host: dms.<region>.<domain> x-amz-Date: <Date> Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=contenttype;date;host;user- agent;x-amz-date;x-amz-target;x-amzn- requestid,Signature=<Signature> User-Agent: <UserAgentString> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Connection: Keep-Alive X-Amz-Target: AmazonDMSv20160101.StartReplicationTask { "ReplicationTaskArn":"arn:aws:dms:us-east- 1:123456789012:task:RALPZGYI3IUSJCBKKIRBEURKDY", "StartReplicationTaskType":"reload-target", "CdcStartTime":null }

Sample Response

HTTP/1.1 200 OK x-amzn-RequestId: <RequestId> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Date: <Date> { "ReplicationTask":{ "SourceEndpointArn":"arn:aws:dms:us-east- 1:123456789012:endpoint:RZZK4EZW5UANC7Y3P4E776WHBE", "ReplicationTaskIdentifier":"aks145", "ReplicationInstanceArn":"arn:aws:dms:us-east- 1:123456789012:rep:6USOU366XFJUWATDJGBCJS3VIQ", "TableMappings":"{ \n\t\"TableMappings\": [ { \n\t\t\"Type\": \"Include\",\n\t\t \"SourceSchema\": \"testDB\",\n\t\t \"SourceTable\": \"%\" \n\t}, { \n\t\t\"Type\": \"Include\",\n\t\t \"SourceSchema\": \"testDB\",\n\t\t \"SourceTable\": \"%\" \n\t} ]\n}", "ReplicationTaskStartDate":1457658794.056, "Status":"starting", "ReplicationTaskArn":"arn:aws:dms:us-east- 1:123456789012:task:RALPZGYI3IUSJCBKKIRBEURKDY", "ReplicationTaskCreationDate":1449185680.107, "MigrationType":"full-load", "TargetEndpointArn":"arn:aws:dms:us-east- 1:123456789012:endpoint:GVBUJQXJZASXWHTWCLN2WNT57E", "ReplicationTaskSettings":"{\"TargetMetadata\":{\"TargetSchema\":\"\",\"SupportLobs\":true,\"FullLobMod e\":true,\"LobChunkSize\":64,\"LimitedSizeLobMode\":false,\"LobMaxSize\":0},\ " FullLoadSettings\":{ \"FullLoadEnabled\":true, \" TargetTablePrepMode\":\"DO_NOTHING\", \"CreatePkAfterFullLoad\":false, \"StopTaskCachedChangesApplied\":false, \"StopTaskCachedChangesNotApplied\":false, \"Re sumeEnabled\":false, \"ResumeMinTableSize\":100000, \"ResumeOnlyClusteredPKTabl es\":true, \"MaxFullLoadSubTasks\":8, \"TransactionConsistencyTimeout\":600, \"C ommitRate\":10000 } } " } }

See Also

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