Create an isolation rule

This topic describes how to create an isolation rule for resource isolation.

Prerequisites

• The login account has the permissions of Project Admin or Instance Admin.

• The database version is V4.2.1.8 or later. For more information about database versions, see Database support versions.

• The instance has tenant resource isolation enabled.

  Note

  If tenant resource isolation is not enabled for the instance, the CPU resource isolation configuration will not take effect. For information about how to enable tenant resource isolation, see Overview of resource isolation.

Procedure

1. Go to the resource isolation page.

   1. Log in to the OceanBase Cloud console.

   2. In the left-side navigation pane, click Instances.

   3. In the instance list, expand the target instance and click the tenant name to go to the Overview page.

   4. In the left-side navigation pane of the Overview page of the tenant, click Resource Isolation.

2. On the resource isolation page, click the Isolation Rule tab.

3. Click Create Isolation Rule.

4. Configure the isolation rule.

   Parameter	Description
   Rule Name	The name of the isolation rule.
   Resource Group Isolation Rule	Select different resource groups and set the maximum allowed CPU and IOPS usage percentages and their weights for the groups. For more information about how to create a resource group, see Create a resource group. Note The CPU and IOPS usage upper limits for each resource group can be set to 100%. When resource contention occurs between resource groups, the system will allocate resources based on the weight ratio of each resource group.
   Remarks	You can enter remarks about the resource group.

5. Click OK.

6. On the isolation rules page, you can view the created isolation rule. You need to enable an isolation rule on this page before it can take effect.

   Note

   Only one isolation rule can be effective at the same time.

Related information

• View isolation rules
• Edit an isolation rule
• Delete an isolation rule