Amazon EBS
Amazon Elastic Block Store (EBS) is a scalable, high-performance block storage service designed for use with Amazon EC2 instances. It provides persistent storage volumes that can be attached to EC2 instances, offering features like snapshots, encryption, and various volume types optimized for different workloads. EBS volumes are automatically replicated within an Availability Zone to protect against component failure.
Developers should use Amazon EBS when they need durable, low-latency block storage for EC2 instances, such as for databases, file systems, or applications requiring consistent I/O performance. It's essential for stateful applications in AWS, as it allows data persistence beyond the lifecycle of an EC2 instance, enabling backups via snapshots and easy scaling of storage capacity.