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AWS for Backend Developers (EC2, S3, RDS, Lambda) · Lesson

CloudWatch Metrics and Alarms

Collect and analyze metrics from AWS resources, setting up alarms to notify you of critical operational issues.

Welcome to CloudWatch Metrics

Welcome! In this lesson, we'll dive into AWS CloudWatch, a powerful monitoring service. CloudWatch helps you keep an eye on your AWS resources and applications.

We'll focus on two core features: Metrics and Alarms. These are essential for maintaining the health and performance of your cloud infrastructure.

What are CloudWatch Metrics?

At its heart, CloudWatch collects metrics. A metric is a time-ordered set of data points that represent a variable you want to monitor.

  • Think of metrics as data points for performance, usage, or operational health.
  • Examples include CPU utilization of an EC2 instance, network traffic, or disk I/O.
  • AWS services automatically publish many metrics for you.

All lessons in this course

  1. CloudWatch Metrics and Alarms
  2. CloudWatch Logs and Log Groups
  3. Event-Driven Monitoring with CloudTrail
  4. Building CloudWatch Dashboards
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