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AWS Config vs Amazon CloudWatch: What are the differences?
Key Differences Between AWS Config and Amazon CloudWatch
AWS Config and Amazon CloudWatch are two important services offered by Amazon Web Services (AWS) that provide monitoring and management capabilities for your resources in the AWS cloud. While they both help in collecting and analyzing data, there are significant differences between the two.
Scope of Monitoring: AWS Config focuses on monitoring the configuration of your AWS resources, providing a detailed inventory of how they are configured and how they change over time. On the other hand, Amazon CloudWatch primarily focuses on monitoring performance metrics and log files generated by these resources, providing real-time insights into their operational health.
Granularity of Monitoring: AWS Config offers a resource-level granularity in terms of monitoring, allowing you to track configuration changes at an individual resource level. In contrast, Amazon CloudWatch provides metrics at a more aggregated level, allowing you to monitor performance and health at a broader scale, such as an entire EC2 instance or a load balancer.
Automation and Remediation: AWS Config enables you to define rules and evaluate the compliance of your AWS resources against these rules, allowing you to automate the remediation of non-compliant resources. In contrast, Amazon CloudWatch focuses more on triggering notifications and alerts based on predefined metrics thresholds, providing you with the ability to take manual actions to resolve issues.
Data Collection and Retention: AWS Config retains a comprehensive history of all configurations and changes made to your resources, allowing you to go back in time and track the evolution of resource configurations. Amazon CloudWatch, however, has limited retention for metrics and log data, usually in the range of a few weeks, after which the data may be aggregated or overwritten.
Use Case Focus: AWS Config is commonly used for compliance auditing, security analysis, and governance, allowing you to assess resource compliance against industry standards and best practices. On the other hand, Amazon CloudWatch is more focused on performance monitoring, capacity planning, and troubleshooting, providing real-time insights into the behavior and health of your resources.
Integration with AWS Ecosystem: AWS Config integrates with other AWS services such as AWS CloudFormation and AWS Identity and Access Management (IAM) to provide a holistic view of your resource configurations and access control. Amazon CloudWatch integrates with a wide range of AWS services for collecting metrics and logs, enabling you to monitor various aspects of your application and infrastructure.
In summary, AWS Config and Amazon CloudWatch differ in their scope of monitoring, granularity, automation capabilities, data retention, use case focus, and integration with the AWS ecosystem. While AWS Config focuses on configuration monitoring and compliance, Amazon CloudWatch focuses on performance monitoring and troubleshooting.
Pros of Amazon CloudWatch
- Monitor aws resources76
- Zero setup46
- Detailed Monitoring30
- Backed by Amazon23
- Auto Scaling groups19
- SNS and autoscaling integrations11
- Burstable instances metrics (t2 cpu credit balance)5
- HIPAA/PCI/SOC Compliance-friendly3
- Native tool for AWS so understand AWS out of the box1
Pros of AWS Config
- Backed by Amazon4
- One stop solution2
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Cons of Amazon CloudWatch
- Poor Search Capabilities2
Cons of AWS Config
- Not user friendly2