CloudWatch Alarms are essential for monitoring Amazon EC2, RDS, and Lambda resources in AWS. Here’s a quick guide to get started:
Key Concepts 🔍
- Metric 📈: Data points collected from AWS services (e.g., CPU utilization, disk usage)
- Alarm ⚠️: A rule that triggers notifications when a metric threshold is breached
- Actions 🚨: Automated responses like sending emails or invoking AWS Lambda functions
Creating a CloudWatch Alarm 🛠️
- Open AWS Management Console 🌐
- Navigate to CloudWatch > Alarms 📊
- Choose Create alarm and select a metric
- Define threshold conditions and actions
Common Metrics 📊
- EC2 Instance 🔄: CPU, memory, network traffic
- RDS Database 🗃️: Disk space, connection count
- Lambda Function ⚙️: Duration, error rate
Best Practices ✅
- Use CloudWatch Metrics Filters for custom data analysis
- Enable AWS CloudWatch Events for log-driven alarms
- Regularly monitor alarm history to refine thresholds
Expand Your Knowledge 📚
For deeper insights into AWS monitoring, visit aws/cloudwatch/monitoring.