Skip to content

A Cloudy Journey

EC2 Overview

EC21 min read

EC2 - Elastic Compute Cloud

  • resizable compute capicty in the cloud
  • quicky scale compute capacity up and down as computing requirements change

Pricing Tiers

  1. On-Demand - pay fixed rate by the hour
    • no long term commitment
  2. Reserved - contract with AWS for 1yr or 3yr term
    1. Standard Reserved
    2. Convertible Reserved - can convert between different EC2 instance type familys
    3. Scheduled Reserved - available to launch within certain time windows (schools)
  3. Spot - price changes with capacity, you set your bid price
    • If you terminate instance you are charged for full hour
    • If Amazon terminates instance you are not charged for full hour
  4. Dedicated Hosts - dedicated EC2 server
    • good for server-bound software licenses (oracle)

Launching Instances

  • Termination protection is turned off by default
  • On EBS-backed instance the default action is for the root EBS volume to be deleted when the instance is terminated
  • EBS root volumes can now be encrytped when launching instances

EC2 Hibernate

© 2020 by A Cloudy Journey. All rights reserved.
Theme by LekoArts