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

Difficulty: 6/10

metrics, alarms, logs

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
Alarms: Triggers Auto Scaling actions when metrics cross defined thresholds.
2
Dashboards: Visualizes instance health and performance metrics.
3
Logs: Collects application and system logs using the CloudWatch Logs agent.
4
Detailed Monitoring: Increases metric resolution from 5-minute intervals to 1-minute intervals.

Scenario Questions

0-2 years experience

2-5 years experience

1Your web service on EC2 is experiencing intermittent latency. Walk me through how you'd use CloudWatch metrics and logs to diagnose the issue.

Follow-up Questions