AWS, Cloud Computing

3 Mins Read

Amazon EC2 Hibernate Now Embraces Amazon’s Newest Instances

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In the ever-evolving landscape of cloud computing, Amazon Web Services (AWS) remains at the forefront, constantly refining its services to offer improved efficiency and performance. A recent stride in this direction comes with the expansion of Amazon EC2 Hibernate support, now encompassing Amazon’s latest instances—C7a, C7i, R7a, R7i, and R7iz. This enhancement allows users to optimize resource management and operational efficiency within their AWS infrastructure.

Amazon EC2 Hibernate

Amazon EC2 Hibernate is a pivotal feature within AWS, allowing users to pause instances while preserving their state in Amazon EBS (Elastic Block Store). Unlike the traditional stop-start cycle, hibernating an instance retains all in-memory data and configurations, significantly reducing the time required to resume operations and cutting costs by avoiding relaunching and reconfiguring instances.

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The Evolution of Amazon EC2 Instance Type

Amazon EC2 has continually evolved its instance types to cater to diverse workloads and performance requirements. The latest additions, namely the C7a, C7i, R7a, R7i, and R7iz instances, represent a strategic move by AWS to address specific computing needs by offering variations in compute power, memory, and storage configurations.

Advantages of EC2 Hibernate

Amazon EC2 Hibernate’s primary advantages revolve around cost optimization and operational efficiency. By leveraging hibernation, users can save on instance running costs while ensuring quick recovery of their workloads without needing manual reconfiguration, thus streamlining operational workflows.

Expanding Support: C7a, C7i, R7a, R7i, R7iz Instances

The recent update extends Amazon EC2 Hibernate’s capabilities to the latest instance types—C7a, C7i, R7a, R7i, and R7iz. These instances offer varying compute capacities and features, catering to a wide spectrum of workload requirements. With Amazon EC2 Hibernate now compatible, users can harness these new instance types’ power while efficiently managing costs through hibernation.

Step-by-Step Guide to Utilize Hibernate with New Instances

Launch an Amazon EC2 instance by enabling hibernation.

Once you’re on the Amazon EC2 console’s launch page, give your instance a name, pick an image, and choose the instance type—I went for the C7a.medium option.


I’m allocating a 15 GB EBS Volume and enabling encryption for it. When an instance hibernates, it saves the in-memory state to a file on the root EBS volume, effectively shutting down. The AMI used for launching the instance and its root Amazon EBS volume need to be encrypted. This encryption guarantees safeguarding sensitive data when transferring it from memory to the EBS volume.


In the detailed settings, activate the “Stop-Hibernate Behavior” option to enable the hibernation feature.


Once the instance runs, log in and execute the “uptime” command.


The Instance is up and running for 2 minutes.

To Hibernate the Instance, go to the Amazon EC2 console, choose the specific instance, and then from the “Instance State” dropdown, select “Hibernate Instance.”


When we initiate hibernation, the instance’s state transitions from “running” to “stopped.”


Upon restarting the instance after hibernation and running the “uptime” command, you’ll notice that the instance hasn’t undergone a reboot. Instead, it has resumed from where it was hibernated, maintaining its previous state.


Hibernation is particularly valuable for tasks or services requiring significant initialization time before becoming fully functional, especially when immediate startup isn’t crucial.


The expanded support for Amazon EC2 Hibernate across the latest Amazon EC2 instances signifies a significant leap towards efficiency and cost-effectiveness in cloud computing operations. By integrating hibernation capabilities with these diverse instance types, AWS empowers users to optimize resource usage and streamline workflows while maintaining flexibility and performance.

Drop a query if you have any questions regarding Amazon EC2 Hibernate and we will get back to you quickly.

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1. What are the primary benefits of using Amazon EC2 Hibernate?

ANS: – Amazon EC2 Hibernate offers cost savings by pausing instances while preserving their state, enabling quick resumption without reconfiguration.

2. Are there any limitations or considerations when using Amazon EC2 Hibernate with the latest instances?

ANS: – Users should note that not all instance types might support Amazon EC2 Hibernate. Additionally, instances with attached instance store volumes can’t be hibernated.

WRITTEN BY Mohammad Zubair Saifi

Mohammad Zubair Saifi works as a Research Associate at CloudThat. He has knowledge of AWS Cloud Services and resources and DevOps tools like Jenkins, Docker, K8s, Ansible, and Terraform. He is passionate about improving his skills and learning new tools and technologies.



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