What's New

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Refined scaling policy

After you configured a refined scaling policy for an AS group, when a monitoring metric falls within the defined range, an alarm is generated, and AS automatically adjusts the number of instances in the AS group.

Commercial use

Overview

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Connecting to RDS DB instances

Scaled instances in an AS group can be connected to RDS DB instances.

Commercial use

AS and Other Services

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Multi-flavor AS configuration

You can select multiple flavors when creating an AS configuration. This helps you minimize instance addition failures due to unavailable flavors during peak hours.

Commercial use

Notes on Multiple Flavors in an AS Configuration

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New Overview tab on the AS group details page

AS group information, such as the expected number of instances and ongoing scaling actions, is displayed in graphics, so that you can easily learn about the status of an AS group.

Commercial use

Scaling Your Website Dynamically

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Adjusting shared bandwidth

You can set a scheduled or periodic policy to adjust the size of a shared bandwidth.

Commercial use

Bandwidth Scaling

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Changing the AZs of an enabled AS group

You can add, change, and delete the AZs of an AS group when the group is enabled, without interrupting your services.

Commercial use

Modifying an AS Group

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Spot pricing

Spot pricing enables you to use ECSs at a lower price, reducing your costs.

Commercial use

Billing

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Multi-AZ extension policy

The multi-AZ expansion policy provides you with a diversified AZ configuration option.

Commercial use

Creating an AS Group

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New section for regions and AZs

A section about regions and AZs was added to the Auto Scaling Service Overview to help you easily obtain related information.

Commercial use

Region and AZ

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Standby instance

You can set one or more instances in your AS group to work in standby mode, and stop or restart these instances without removing them from the AS group.

Commercial use

Putting an Instance Into the Standby State

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Optimization of best practices

Optimized best practices provides you with more comprehensive scenarios and clearer steps.

Commercial use

Setting Up an Automatically Scalable Discuz! Forum

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Interconnection with Dedicated Host (DeH)

AS is able to automatically create instances on your DeHs to meet your requirements for high computing performance and data security.

Commercial use

Creating an AS Configuration from a New Specifications Template

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Using existing alarm rules

Scaling actions can be performed based on your existing customized alarm rules to meet your scaling requirements in special scenarios.

Commercial use

Setting Monitoring Alarm Rules

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Bandwidth scaling

You can create a bandwidth scaling policy to automatically adjust your bandwidth resources.

Commercial use

Creating a Bandwidth Scaling Policy

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Disk monitoring metrics

Scaling actions can be triggered based on the disk read rate, disk write rate, disk read requests, or disk write requests.

Commercial use

Monitoring Metrics

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Instance protection

You can configure instance protection for one or more functional instances that you want to protect from being automatically removed from an AS group during scale-in actions.

Commercial use

Configuring Instance Protection

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Interconnection with Tag Management Service (TMS)

You can tag AS groups for easier resource management.

Commercial use

Adding Tags to AS Groups and Instances

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Notification

With the notification function, AS promptly notifies you of AS group information, such as successful instance increasing, failed instance increasing, successful instance decreasing, failed instance decreasing, or AS group exception.

Commercial use

Configuring Notifications for an AS Group

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Lifecycle hook

Lifecycle hooks enable you to flexibly manage the lifecycle of instances in AS groups.

Commercial use

Managing Lifecycle Hooks

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Binding multiple load balancers to an AS group

You can bind multiple load balancers to an AS group. Then the load balancers distribute application traffic to all instances in the AS group, improving the fault tolerance of applications.

Commercial use

AS Advantages

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Binding an EIP to an automatically scaled instance

AS binds an EIP to an instance that is automatically added to an AS group. In this way, you do not need to configure an EIP for the instance manually.

Commercial use

Creating an AS Configuration

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Rollout of AS

AS is newly launched. AS allows you to automatically adjust resources to keep up with changes in demand based on pre-configured AS policies. It frees you from the cumbersome task of repeatedly, manually adjusting resources to respond to changes while helping you improve resource usage and reduce resource costs.

Commercial use

What Is Auto Scaling?