EC2 Hibernate
It is one of the feature that make EC2 instance can run faster after it is stopped or terminated. When we stop the instance It will store the data in disk (EBS) for next start. Also for terminated It destroy EBS volume. so for this either way everytime we try to start or boot the EC2 instance it is slow then EC hibernate is the mechanism that we save the state of RAM in root EBS volume (require root EBS volume must be encrypted to use Hibernate) Good to know
Available for
On-demand,ReservedandSpot InstanceRAM must be less than 150 GB
An instance can not be hibernated more than 60 days
Usecase
Service that take time to initialize
Saving RAM state
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