![]() For example, just like our nervous system causes us to sweat when we’re exercising, CloudWatch can trigger an alarm to cause autoscaling actions on EC2 instances when there are high levels of load. The insights and actions delivered by CloudWatch enable us to implement a variety of automatic optimizations. CloudWatch gathers metrics from all of the different AWS services, aggregates and summarizes this data, and takes action if necessary. In this analogy, Amazon CloudWatch is the nervous system. The high-level services like EC2, S3, DynamoDB, RDS, and Lambda would be the key organs… the heart, lungs, stomach, liver, etc. Say we think of AWS architectures as living organisms. ![]() CloudWatch fundamentals: metrics, statistics, alarms, and dashboards Responding to CloudWatch alarms with a Lambda Functionġ.Validating VPC endpoints for CloudWatch and SSM agents.Validating VPC DNS for CloudWatch and SSM agents.Configuring and starting the CloudWatch agent on Windows.Configuring and starting the CloudWatch agent on Linux.How to configure and start the CloudWatch agent.Installing the CloudWatch agent on Windows.Installing the CloudWatch agent on Linux.Which CloudWatch metrics should you monitor?.Cloudwatch metric alarms and composite alarms.CloudWatch fundamentals: metrics, statistics, alarms, and dashboards.Consider it your CloudWatch starter pack… now let’s get started. We will also talk about how to respond to CloudWatch alarms with Lambda functions, as well as details about the CloudWatch agent. Our inaugural Foundation blog will go over the CloudWatch basics: what it is, how to make sure it’s installed, how to configure it correctly, and how to monitor CloudWatch metrics. Think of Foundation blogs like reference material – the useful background knowledge that you need to achieve meaningful, ongoing AWS savings. These blogs will provide detailed supplemental information that complements the finder/fixer processes covered in our Fixer blog series. Welcome to the first post of our new blog series: Foundation blogs.
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