AWS EC2 Concepts - keshavbaweja-git/guides GitHub Wiki

Root Device Volume

  • Contains the image used to boot the instance.
  • Root device volume can be
    • Instance store volume: with AMI loaded from S3 bucket. By default, Instance store volume is deleted when instance is terminated
    • EBS volume: with AMI loaded from EBS snapshot

Instance store backed instance

EBS backed instance

Storage

CPU architectures, processor families

CPU Architecture Processor Family
x86_64 Intel
x86_64_mac Intel
arm64 AMD
arm64 Graviton

Hypervisors

  • Xen (Intel)
  • Nitro (AWS)

Instance types

Instance type Identifier
General purpose M
General purpose - burstable T
Compute optimized C
Memory optimized R, X
Storage optimized I, D, H
Accelerated computing P
DL
Inf
G
F
VT1