Concepts Instance Groups

Instance Groups is a Compute Cloud component that lets you create and manage instance groups.
Instance Groups automatically identifies and corrects unhealthy instances in a group to ensure their optimal performance.

Warning

All operations in Instance Groups must be performed on behalf of a service account. For more information, see Access.

Each group consists of one or more instances of the same type. Group instances may reside in different availability zones and regions. More about the geo scope of Yandex.Cloud.

Use Instance Groups to:

Simultaneously update all instances in a group.
Integrate with Yandex Network Load Balancer and evenly distribute workloads across instances.
Create automatically scaled instance groups.
Automatically recover an instance if the application fails.
Maintain the performance of application services in a reliable environment with multi-zone features instead of allocating resources for each zone.

When creating a group, describe the following:

The template for deploying group instances.
Policies for scaling, deployment, and allocation.

Instance groups created in the folder can be accessed by all instances connected to the same cloud network. Learn more about networking.