Cloud Watch

• dashboards
• alarm, notify you when threholds are hit
• events, help you to response to state changes
• logs, help you to aggregate, monitor and store logs

ELB

3 types

• application
• network
• calssic

EC2 101

EC2 Options

• on demand (by seconds/hours), fixed rates
• reserved, 1 or 3 years term
• spot, users can bid whatever price you want for instance capacity
• dedicated hosts (able to use existing server bond software license to save money)
• https://aws.amazon.com/ec2/pricing/

On Demand

• application with short term, spiky or unpredicable workloads
• app tested on EC2
• perfect for users who want low-cost and flexibility without any up-front payment or unpredictable workloads

Reserverd Instances (RI)

• apps with steady states or predictable usafe (like web server)
• appws required reserved capacity
• standard up to 75% discount
• convertible up to 54% discount
• schedules RIs (every friday, every December)

IAM

It is global,

User,
Group,
Role,
Policy

• IAM Best Practices