Questions
5 of 8
1What is an Auto Scaling Group (ASG) and how does it work in EC2?
2Explain the difference between desired, minimum, and maximum capacity.
3What are the different ASG Scaling Policies?
4What are good metrics to scale on?
5What is Amazon CloudWatch and how is it used with EC2?
6Discuss Auto Scaling Group attributes
7How to create an Auto Scaling Group
8How to set up each scaling policy, and what are the parameters
AWS-EC2AWS-EC2
Basics
Instance
EC2 instance store
Amazon Machine Images
Connecting
Networking
EBS
EFS
Elastic Network Interfaces
Elastic Load Balancing
Spot Instances
Placement Groups
EC2 Hibernate
Purchasing Options
Security
Scaling
Availability
05 / 08

What is Amazon CloudWatch and how is it used with EC2?

CloudWatch and EC2 Integration

Amazon CloudWatch is a monitoring and observability service. It collects data in the form of logs, metrics, and events from EC2 instances and other AWS resources.

Usage with EC2
  1. 1

    Alarms: Triggers Auto Scaling actions when metrics cross defined thresholds.

  2. 2

    Dashboards: Visualizes instance health and performance metrics.

  3. 3

    Logs: Collects application and system logs using the CloudWatch Logs agent.

  4. 4

    Detailed Monitoring: Increases metric resolution from 5-minute intervals to 1-minute intervals.