Changing a DB Instance Class

Scenarios

This section describes how to change the CPU or memory of your instance to suit your service requirements.

Precautions

• Instances can be scaled up or down.
• Services will be interrupted for 5 to 10 minutes when you change DB instance CPU or memory, so you are advised to perform these operations during off-peak hours.
• You are not advised to perform DDL operations when changing the CPU and memory.
  

  A data definition language (DDL) is a syntax for defining data structures and database objects. Common examples of DDL statements include CREATE, ALTER, and DROP. DDL is used to create, modify, and delete database objects, such as tables, indexes, views, functions, stored procedures, and triggers.

Procedure

1. Log in to the GaussDB NoSQL console.
2. On the Instance Management page, click the DB instance you wish to change the CPU and memory for.
3. In the in DB Information area on the Basic Information page, click Change next to the Instance Class field.
4. On the displayed page, select the desired vCPUs and memory and click Next.
5. On the displayed page, confirm the instance class.
   • If you need to modify your settings, click Previous to go back to the page where you specify details.
   • If you do not need to modify your settings, click Submit to change the instance class.

6. View the DB instance class change result.

   Go to the Basic Information page and in the DB Information area you can see the new instance class.

Method 2

1. Log in to the GaussDB NoSQL console.
2. On the Instance Management page, locate the instance you want to change the class for and choose More > Change Instance Class in the Operation column.
3. On the displayed page, select the desired vCPUs and memory and click Next.
4. On the displayed page, confirm the instance class.
   • If you need to modify your settings, click Previous to go back to the page where you specify details.
   • If you do not need to modify your settings, click Submit to change the instance class.

5. View the DB instance class change result.

   Go to the Basic Information page and in the DB Information area you can see the new instance class.