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AWS CloudWatch

Monitoring service for AWS resources and applications

Amazon CloudWatch is a monitoring and observability service built for DevOps engineers, developers, site reliability engineers (SREs), and IT managers. CloudWatch provides you with data and actionable insights to monitor your applications, respond to system-wide performance changes, optimize resource utilization, and get a unified view of operational health. CloudWatch collects monitoring and operational data in the form of logs, metrics, and events, providing you with a unified view of AWS resources, applications, and services that run on AWS and on-premises servers.
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AWS CloudWatch is a monitoring and observability service provided by Amazon Web Services. It enables you to collect and track metrics, logs, and events from your AWS resources and applications running on AWS.\n\nCloudWatch provides real-time monitoring of AWS resources such as EC2 instances, RDS databases, Lambda functions, and more. It collects and processes raw data into readable, near real-time metrics.\n\nKey capabilities include:\n\n1. Metrics monitoring: Track performance data like CPU utilization, network throughput, and storage usage.\n\n2. Alarms: Set thresholds and receive notifications when metrics exceed those thresholds.\n\n3. Dashboards: Create visual displays of your metrics and alarms for easy monitoring.\n\n4. Logs: Collect, monitor, analyze, and store log files from applications and AWS services.\n\n5. Events: Respond to changes in AWS resources by triggering actions using CloudWatch Events (now part of EventBridge).\n\n6. Application Insights: Automatically detect and diagnose issues in applications.\n\nCloudWatch integrates with other AWS services like SNS for notifications, EC2 Auto Scaling for dynamic resource adjustment, and AWS Lambda for automated remediation.\n\nUsing CloudWatch, you can gain operational visibility, troubleshoot issues, optimize resource utilization, and ensure application health. Standard metrics are available at 5-minute intervals by default, while detailed monitoring provides 1-minute intervals for an additional cost.\n\nWith CloudWatch Logs Insights, you can perform interactive queries on your log data. CloudWatch also offers Container Insights for monitoring containerized applications and services.\n\nIn the context of the AWS Solutions Architect exam, understanding CloudWatch is essential for designing resilient, self-healing, and well-monitored architectures.

AWS CloudWatch is a monitoring and observability service provided by Amazon Web Services. It enables you to collect and track metrics, logs, and events from your AWS resources and applications runnin…

Concepts covered: Metrics, CloudWatch Agent, CloudWatch Retention Periods, CloudWatch Composite Alarms, Alarms, Dashboards, Log Monitoring, Event Monitoring, CloudWatch Namespaces, CloudWatch API

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AWS Certified Solutions Architect - AWS CloudWatch Example Questions

Test your knowledge of Amazon Simple Storage Service (S3)

Question 1

Which AWS service can be used to monitor the performance and health of AWS resources?

Correct Answer: Amazon CloudWatch

Amazon CloudWatch can be used to monitor the performance and health of AWS resources. Amazon SQS, SNS, SWF, and SES are not designed for resource monitoring. Amazon Elastic Transcoder is designed for video transcoding, not resource monitoring.

Question 2

Which of the following is a valid Amazon CloudWatch metric namespace for monitoring Amazon RDS?

Correct Answer: AWS/RDS

The AWS/RDS namespace is used for monitoring Amazon RDS.

Question 3

What is the difference between Amazon CloudWatch and AWS CloudTrail?

Correct Answer: Amazon CloudWatch monitors AWS resources and applications while AWS CloudTrail records API calls and events made by users within AWS services

Amazon CloudWatch assists in monitoring AWS resources while AWS CloudTrail records API calls made by users within AWS services for later auditing and analysis

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