You can use the data source management features of E-MapReduce (EMR) Workflow to configure data sources to meet your different requirements for data storage and access. This topic describes how to create, modify, and delete a data source.
Limits
The cluster in which the data source resides and the cluster used to run a workflow must be deployed in the same virtual private cloud (VPC).
Create a data source
Go to the Datasource page.
Log on to the EMR console.
In the left-side navigation pane, choose EMR Studio > Workflow.
Click the Datasource tab.
On the Datasource tab, click Create DataSource.
In the CreateDataSource dialog box, configure the parameters. The following table describes the parameters.
Parameter
Required
Description
DataSource
Yes
The type of the data source. Valid values: HIVE/IMPALA and PRESTO.
Datasource Name
Yes
The name of the data source.
Description
No
The description of the data source.
IP
Yes
The IP address of the data source.
Port
Yes
The port number of the data source. Default value: 10000.
User Name
Yes
The username that is used to connect to the data source.
Password
No
The password that is used to connect to the data source.
Catalog Name
No
The name of the catalog that is used to connect to the data source.
NoteThis parameter is required only if you set the DataSource parameter to PRESTO.
Database Name
Yes
The name of the database that is connected in the data source.
jdbc connect parameters
No
The parameter settings that are used to connect to the data source. Specify the parameters in the format of
{"key1":"value1","key2":"value2"...}.Click Confirm.
You can perform the following operations on the created data sources:
Modify a data source: Click the
icon in the Operation column of the data source to be modified. Delete a data source: Click the
icon in the Operation column of the data source to be deleted.