Auto Scaling

Overview

Auto Scaling helps you maintain application availability and allows you to dynamically scale your Amazon EC2 capacity up or down automatically according to conditions you define.

Setup

Installation

If you haven’t already, first set up the AWS CloudWatch integration. No additional steps are needed for installation.

Configuration

On the AWS CloudWatch integration page, ensure that the Auto Scaling service is selected for metric collection.

Metrics

Name Description
GroupMinSize
The minimum size of the Auto Scaling group.
GroupMaxSize
The maximum size of the Auto Scaling group.
GroupDesiredCapacity
The number of instances that the Auto Scaling group attempts to
maintain.
GroupInServiceInstances
The number of instances that are running as part of the
Auto Scaling group. This metric does not include instances that
are pending or terminating.
GroupPendingInstances
The number of instances that are pending. A pending instance is
not yet in service. This metric does not include instances that
are in service or terminating.
GroupStandbyInstances
The number of instances that are in a Standby state. Instances in
this state are still running but are not actively in service.
GroupTerminatingInstances
The number of instances that are in the process of terminating.
This metric does not include instances that are in service or
pending.
GroupTotalInstances
The total number of instances in the Auto Scaling group. This
metric identifies the number of instances that are in service,
pending, and terminating.

Available Tags

Name Description
awsaccount AWS account associated with the metrics
name Name of the group
region Name of the region