Configuring Presto resource groups

You can configure one or more Presto resource groups in watsonx.data.

To configure resource groups:

1. Log in to watsonx.data console.

2. From the navigation menu, go to Configurations.

3. Click the Presto resource groups tile. The Presto resource groups window opens.

4. Click Create group.

5. In the Create resource group window, enter the resource group details.

   Resource group details

   Field	Description
   File name	Enter the JSON file name. If you upload a JSON file, the name of that file appears here.
   Description	Enter a resource group description.
   Resource group configuration	Browse and select a resource group JSON file. Alternatively, you can drag and drop a resource group file.

   The uploaded JSON file structure must match with the sample resource group file structure. To download the sample file, click Download resource group template. The maximum allowed size of a file is 2 MB and the only file format that is supported is .json.

   For more information about the resource group properties that you can define in the JSON file, see Resource group properties.

6. Click Create to create the resource group.

   To delete a resource group, go to the overflow menu of the resource group and click Delete. A confirmation box opens. Click Delete to confirm deletion. You cannot delete a resource group if it is assigned to an engine.

7. To edit the resource group file:

   1. Go to the overflow menu of the resource group and click View details.
   2. Click Edit. The resource group editor opens.
   3. Make the changes in the Resource group details and Resource manager configuration sections, and click Save.

   If you edit an already assigned resource group file (file name or file content), the assigned engines restart with the changes.

8. To assign the resource group to engines, click the overflow menu of the resource group and select Assign engines.

9. Select one or more Presto engines from the Available engines section and click Assign. A confirmation box opens.

   If you click Confirm, the engines restart, and any ongoing queries of the data sources that are associated to the engines are terminated. You can have only one resource group assigned to an engine.

10. Click Confirm to complete the configuration.