What is CloudWatch?

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Amazon CloudWatch is a monitoring and observability service provided by AWS. It's a crucial tool for anyone managing applications and infrastructure within the AWS cloud, and even for on-premises resources. Here's a breakdown: AWS Training in Pune
Core Purpose:

CloudWatch provides you with data and actionable insights to monitor your applications, respond to performance changes, optimize resource utilization, and gain a unified view of operational health.
Key Capabilities:

Metrics:
CloudWatch collects metrics, which are numerical data points, from your AWS resources (like EC2 instances, databases, etc.) and your applications.
This allows you to track performance indicators like CPU utilization, memory usage, and network traffic.
Logs:
CloudWatch Logs enables you to collect, monitor, and analyze log files from your applications and AWS services.
This is essential for troubleshooting, debugging, and auditing.
Alarms:
You can set up alarms that trigger notifications or automated actions when metrics reach predefined thresholds.
This helps you proactively respond to issues and maintain system stability.
Dashboards:
CloudWatch allows you to create custom dashboards to visualize your metrics and logs, providing a comprehensive overview of your environment.
Events:
CloudWatch Events (now part of EventBridge) allows you to react to changes in your AWS environment.
In essence, CloudWatch helps you:

Monitor the health and performance of your AWS resources and applications.
Troubleshoot issues and identify root causes.
Automate responses to performance changes.
Gain insights into operational trends.
CloudWatch is a fundamental service for maintaining the reliability, availability, and performance of your AWS deployments.