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This blog post offers a comprehensive comparison of two critical AWS services for monitoring and logging: CloudWatch and CloudTrail. It clarifies their distinct functionalities and use cases to empower users to make informed decisions for their AWS environment.
CloudWatch is a monitoring service designed for AWS resources and applications. It collects metrics, monitors performance, offers alarms for anomalies, and provides log data analysis.
CloudTrail acts as a watchdog, meticulously recording AWS resource activity through API call history. This log data is invaluable for security analysis, compliance, and troubleshooting.
The blog highlights key features of each service, including:
CloudWatch: Metrics, alarms, logs, events, anomaly detection, custom dashboards.
CloudTrail: Activity logging, event history, multi-region support, data event logging, integration with other AWS services, log file encryption, and validation.
Use cases explored for each service include:
CloudWatch: System-wide monitoring, event detection and response, application performance monitoring, custom metrics, and disaster recovery.
CloudTrail: Change management, security and compliance monitoring, governance and auditing, and risk management.
Historically, AWS has only had Reserved instances to provide long-term cost savings. However, Reserved instances provided the highest possible discounts as the cost of complexity, rigidness of choice, and required dedicated research into future computing needs and feasibility studies.AWS Saving plan..
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