EC2 Overview
— EC2 — 1 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
- On-Demand - pay fixed rate by the hour
- Reserved - contract with AWS for 1yr or 3yr term
- Standard Reserved
- Convertible Reserved - can convert between different EC2 instance type familys
- Scheduled Reserved - available to launch within certain time windows (schools)
- 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
- 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