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AWS CloudWatch Monitoring

What is AWS CloudWatch?

AWS CloudWatch is a monitoring and observability service that provides real-time insights into AWS resources, applications, and services. It helps detect anomalies, optimize performance, and troubleshoot issues across cloud infrastructure.

Key Features of AWS CloudWatch

  • Metrics Monitoring Tracks CPU usage, memory, disk I/O, network traffic, and other performance indicators.
  • Alarms & Notifications Sends alerts via SNS, email, or SMS when a threshold is breached.
  • Logs Management Collects, analyzes, and visualizes logs from AWS services like EC2, Lambda, and RDS.
  • Dashboards & Visualization Provides custom dashboards to monitor key performance indicators (KPIs).
  • Application Insights Detects performance issues and anomalies in distributed applications.
  • Event Monitoring Triggers automatic actions using CloudWatch Events & EventBridge.
  • Automated Actions Integrates with AWS Lambda, Auto Scaling, and EC2 actions to fix issues automatically.
  • Anomaly Detection Uses machine learning to detect unusual patterns in system performance.

How AWS CloudWatch Works?

  • Data Collection – CloudWatch gathers data from AWS services, on-premises servers, and applications.
  • Metrics & Logs Storage – The collected data is stored and processed in CloudWatch Logs and Metrics.
  • Analysis & Visualization – Users can analyze data using dashboards, queries, and alarms.
  • Alerts & Automation – CloudWatch triggers actions when predefined thresholds or patterns are detected.

Benefits of AWS CloudWatch

  • Real-time Monitoring Provides instant insights into system health.
  • Automated Issue Resolution Fixes problems using AWS Lambda & Auto Scaling.
  • Enhanced Security Detects unauthorized access & suspicious activities.
  • Cost Optimization Identifies underutilized resources to reduce AWS costs.
  • Seamless AWS Integration Works with EC2, Lambda, S3, RDS, ECS, and more.

Common Use Cases

  • EC2 Performance Monitoring Tracks CPU, memory, and network usage.
  • Serverless Monitoring Observes AWS Lambda execution times and failures.
  • Security Event Tracking Monitors AWS IAM and suspicious activity.
  • Application Performance Insights Detects slow APIs and application crashes and Cost Optimization Identifies idle resources to reduce AWS bills.
Feature AWS CloudWatch Datadog Prometheus New Relic
AWS Integration ✅ Native ✅ Yes ❌ No ✅ Yes
Automated Actions ✅ Yes ✅ Yes ❌ No ✅ Yes
Log Management ✅ Yes ✅ Yes ✅ Yes ✅ Yes
AI-based Anomaly Detection ✅ Yes ✅ Yes ❌ No ✅ Yes
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