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AL☁️AWS Cloud Watch vs CloudTrail 🔥
CloudWatch and CloudTrail are both AWS monitoring and logging services, but they serve different purposes. Here’s a comparison to clarify their roles:
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Amazon CloudWatch
• Purpose: Focused on monitoring the performance and operational health of AWS resources and applications.
• Key Features:
o Metrics: Monitors resource utilization, application performance, and operational health (e.g., CPU usage, disk I/O).
o Alarms: Creates alarms based on metrics to notify you of operational issues.
o Logs: Centralized logging for applications and services (e.g., application logs, Lambda logs).
o Dashboards: Visualizes metrics and logs on customizable dashboards.
• Use Cases:
o Performance monitoring (e.g., EC2 instances, RDS databases).
o Application log analysis.
o Setting up alarms to respond to anomalies.
o Troubleshooting performance issues.
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AWS CloudTrail
• Purpose: Provides governance, compliance, and audit logging by tracking user and API activity in your AWS account.
• Key Features:
o Event Logging: Records API calls and actions taken by users, services, or applications.
o Event History: Retains a history of changes and actions within the AWS environment.
o Insights: Detects unusual activity in your account.
o Delivery: Delivers logs to S3 for long-term storage or analysis.
• Use Cases:
o Auditing user activities and API calls.
o Security and compliance monitoring.
o Investigating suspicious or unauthorized activities.
o Governance and regulatory compliance reporting.
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Key Differences
Feature CloudWatch CloudTrail
Focus Performance monitoring Governance and audit logging
Tracks Metrics, logs, alarms API calls and user activities
Data Operational metrics and logs Events and API calls
Retention Short to medium-term Long-term (via S3)
Primary Users Developers, DevOps, System Admins Security teams, Auditors, Compliance teams
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