Help Center/ Migration Center/ User Guide/ Big Data Migration/ Creating a Source Connection
Updated on 2024-11-01 GMT+08:00

Creating a Source Connection

A source connection enables Edge to access and read data in Alibaba Cloud MaxCompute.

Prerequisites

You have completed all preparations.

Procedure

  1. Sign in to the MgC console.
  2. In the navigation pane on the left, choose Migrate > Big Data Migration. In the upper left corner of the page, select the migration project created in Preparations.
  3. Click Connection Management in the upper right corner of the page.

  4. If you are performing a big data migration on MgC for the first time, you need to select an Edge device to enable this migration feature. Click Modify in the upper left corner of the page or click Select Edge Device. In the drop-down list, select the Edge device you connected to MgC in Making Preparations.

    Ensure that the selected Edge device is always Online and Enabled until your migration is complete.

  5. Click Create Source Connection in the upper right corner of the page.

  6. On the Select Connection Type page, select MaxCompute and click Next.

  7. Configure the parameters for creating a MaxCompute connection, and click Test. If the test is successful, the connection is set up.

    Table 1 Parameters for creating a MaxCompute connection

    Parameter

    Configuration

    Connection Source

    Select Source.

    Connection Name

    The default name is MaxCompute-4 random characters (including letters and numbers). You can also customize a name.

    Edge Device

    Select the Edge device you connected to MgC in Preparations.

    Alibaba Cloud Credential

    Select the Alibaba Cloud credential (an AK/SK pair) you added on Edge in Making Preparations.

    MaxCompute Project

    Enter the name of the MaxCompute project where the data to be migrated is managed. You can obtain the project name from the Projects page on the MaxCompute console.

    Endpoint

    Enter the VPC endpoint of the region where the MaxCompute project is located.

    For details about the MaxCompute VPC endpoint in each region, see Endpoints in different regions (VPC).

    After the source connection is created, you can view it in the list on the Connection Management page. If necessary, click Modify in the Operation column to modify the connection configuration.