# Viewing a Scaling Action

#### Scenarios

This section describes how to check whether a scaling action has been performed and how to view scaling action details.

#### Viewing Scaling Actions

The following steps illustrate how to view scaling actions of an AS group.

1. Log in to the management console.
2. Under Computing, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling.
3. Click the AS Groups tab and then the name of the target AS group.
4. Click the Monitoring tab and view scaling actions. On the Monitoring page, you can view changes in the number of instances and metrics such as CPU Usage.

#### Viewing Historical Scaling Actions

The following steps illustrate how to view the historical records of scaling actions of an AS group.

1. Under Computing, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling.
2. Click the AS Groups tab and then the name of the target AS group.
3. Click the Scaling Actions tab. This page displays historical scaling actions of an AS group, including instance scaling and load balancer migration.

   Scaling Action ID, Status, Scaling Action Type, Description, Start Time, and End Time of scaling actions are displayed. Click before the scaling action ID to view the resource name, status, and failure cause. You can also use the filtering function in the upper right corner to view scaling actions in a specified period.

Parent topic: Scaling Action