Amazon CloudWatch is a monitoring and observability service provided by Amazon Web Services (AWS). It allows you to collect and track metrics, collect and monitor log files, and set alarms. CloudWatch provides a comprehensive view of your AWS resources, applications, and services, enabling you to gain insights into the performance and operational health of your environment.
Key Features:
- Metric Collection: CloudWatch collects and stores metrics, which are time-series data representing the performance of AWS resources and applications.
- Custom Metrics: You can publish your custom metrics to CloudWatch, allowing you to monitor specific aspects of your applications or services.
- Alarms: CloudWatch Alarms enable you to set thresholds on metrics and receive notifications or take automated actions when those thresholds are breached.
- Logs: CloudWatch Logs allows you to collect, monitor, and analyze log files from your AWS resources and applications.
- Events: CloudWatch Events enables you to respond to changes in your AWS resources and applications by triggering automated actions.
- Dashboards: CloudWatch Dashboards allow you to create customizable dashboards to visualize and analyze metrics and logs from multiple sources.
Usage:
Amazon CloudWatch is used for various monitoring and observability scenarios, including:
- Infrastructure Monitoring: Monitoring the performance and health of AWS resources such as EC2 instances, RDS databases, and more.
- Application Monitoring: Tracking metrics and logs from applications to gain insights into application performance and troubleshoot issues.
- Operational Insights: Setting alarms to receive notifications or take automated actions based on predefined thresholds.
- Log Analysis: Analyzing and monitoring log files for troubleshooting and security analysis.
- Automated Actions: Responding to changes in your environment by triggering automated actions using CloudWatch Events.
For more detailed information, refer to the official Amazon CloudWatch documentation.