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View metrics for Amazon EC2 Auto Scaling groups

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View metrics for Amazon EC2 Auto Scaling groups - Amazon EKS

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Help improve this page

To contribute to this user guide, choose the Edit this page on GitHub link that is located in the right pane of every page.

Amazon EKS managed node groups have Amazon EC2 Auto Scaling group metrics enabled by default with no additional charge. The Auto Scaling group sends sampled data to Amazon CloudWatch every minute. These metrics can be refined by the name of the Auto Scaling groups. They give you continuous visibility into the history of the Auto Scaling group powering your managed node groups, such as changes in the size of the group over time. Auto Scaling group metrics are available in the Amazon CloudWatch or Auto Scaling console. For more information, see Monitor CloudWatch metrics for your Auto Scaling groups and instances.

With Auto Scaling group metrics collection, you’re able to monitor the scaling of managed node groups. Auto Scaling group metrics report the minimum, maximum, and desired size of an Auto Scaling group. You can create an alarm if the number of nodes in a node group falls below the minimum size, which would indicate an unhealthy node group. Tracking node group size is also useful in adjusting the maximum count so that your data plane doesn’t run out of capacity.

If you would prefer to not have these metrics collected, you can choose to disable all or only some of them. For example, you can do this to avoid noise in your CloudWatch dashboards. For more information, see Amazon CloudWatch metrics for Amazon EC2 Auto Scaling.

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