Activate the Columnar Engine

Before you begin

• You can activate the Columnar Engine only for Lindorm instances. This feature is not supported for legacy instances. To check the service type of your instance, see Product series.

• The Columnar Engine requires the Lindorm Compute Engine. Ensure that your instance meets the following requirements:

  • The Lindorm Compute Engine is activated. For instructions, see Activate services.

  • At least one available ETL resource group is configured.

  • At least one available OLAP resource group is configured.

• The Lindorm Columnar Engine periodically schedules ETL resources from the Compute Engine to run data lake governance tasks. This process consumes IP addresses from the vSwitch associated with the instance. To prevent service interruptions, ensure that the associated vSwitch has sufficient available IP addresses.

Activate during instance purchase

1. Log on to the Lindorm console.

2. In the upper-left corner of the page, click Create.

3. On the Lindorm purchase page, configure the following parameters:

   Parameter	Description
   Commodity Type	Select Lindorm.
   Deployment Scenario	Select Single-AZ. Note Currently, the Columnar Engine is available only in the Single-AZ deployment mode. If you require a multi-availability zone deployment, you can submit a ticket for evaluation.
   Instance Configuration	Select the Columnar Storage Engine checkbox. Note You can click the icon to modify the engine specifications and number of nodes. For more information about other parameters, see Create an instance.
   Whether to activate the computing engine	Select Yes. Note If you do not select this option, you must activate the Compute Engine after the instance is created.

4. Click Buy Now and complete the payment.

5. After the purchase is complete, you can view the status of the instance in the Lindorm console. Wait for the status to change from Creating to Running.

6. Create an OLAP resource group for the Compute Engine. The Compute Engine is ready when the resource group status changes to Running.

Activate for an existing instance

1. Log on to the Lindorm console. In the upper-left corner of the page, select the region of the instance. On the Instances page, click the ID of the target instance or click View Instance Details in the Actions column for the instance.

2. In the Configurations section, confirm that the Columnar Storage Engine is not activated. Then, click Activate Now on the right.

3. Click the icon to modify the engine specifications and number of nodes. For more information about other parameters, see Create an instance.

4. After the purchase is complete, you can view the status of the instance in the Lindorm console. Wait for the status to change from Creating to Running.

View connection information

You can obtain the default username, password, and endpoint for the Lindorm Columnar Engine from the console.

1. Log on to the Lindorm console. In the upper-left corner of the page, select the region of the instance. On the Instances page, click the ID of the target instance or click View Instance Details in the Actions column for the instance.

2. In the navigation pane on the left, click Database Connections.

3. Click the Columnar Storage Engine tab to view the Columnar Storage Engine endpoint, default username, and default password.

   Note

   If you need to connect to the Columnar Engine over the internet, click Enable Public Endpoint in the upper-right corner.

Lindorm Compute Engine resource groups

• By default, the Lindorm Columnar Engine uses the default ETL resource group to perform data lake governance tasks.

• By default, the Lindorm Columnar Engine uses the default OLAP resource group to execute queries.