AWS Cloud Operations & Migrations Blog

Category: Amazon CloudWatch

Using Amazon CloudWatch Synthetics to find broken links on your website

Most businesses and professionals build and maintain websites to bring visibility and credibility to their work. These websites often act as a medium for messaging. They shape the online perception of the business. When links on a website are broken, users get frustrated. If they cannot access the information they need, they might take their […]

Using environment variables with Amazon CloudWatch Synthetics

With the increase in online traffic, organizations have prioritized the continuous monitoring of their applications so that they can detect issues before they cause widespread problems. Canaries emulate a user flow, making it possible for organizations to proactively catch errors thereby ensuring a good customer experience. Amazon CloudWatch Synthetics allows you to create canaries to […]

Architecture diagram with icons representing the AWS services and their relationships for the CloudWatchAutoAlarms Lambda function

Use tags to create and maintain Amazon CloudWatch alarms for Amazon EC2 instances (Part 1)

This blog post is the first in a two-part series. I walk you through a solution to automatically create and enforce a standard set of Amazon CloudWatch metric alarms for Amazon Elastic Compute Cloud  (Amazon EC2) instances by using Amazon EC2 instance tags. Creating and configuring a standard set of CloudWatch alarms for a large […]

Use tags to create and maintain Amazon CloudWatch alarms for Amazon EC2 instances (Part 2)

This blog post is the second in a two-part series. Part one of this blog post showed how to deploy and configure the CloudWatchAutoAlarms Lambda function to create a default alarm set and custom alarms for your Amazon Elastic Compute Cloud (Amazon EC2) instances using EC2 instance tags. In this post, I show how you […]

Manage Amazon EC2 instance clock accuracy using Amazon Time Sync Service and Amazon CloudWatch – Part 2

In part 1 of this series, I cover important concepts about measuring the accuracy of time on Amazon EC2 instances . I discussed calculating ClockErrorBound (?) and using its value as a range between which system time is accurate. In this part, I walk through the process of using Amazon CloudWatch to measure and monitor […]

Manage Amazon EC2 instance clock accuracy using Amazon Time Sync Service and Amazon CloudWatch – Part 1

This two-part series discusses the measurement and management of time accuracy on Amazon EC2 instances. Part 1 covers the important concepts related to system and reference time. Part 2 covers the mechanism of measure, monitor, and maintain accurate system time on EC2 instances. A large and diverse set of customer workloads depends on the observed […]

Monitor API Gateway endpoints with Amazon CloudWatch Synthetics

Monitoring the health of your API endpoints is important to understand the overall health of your workloads. You can use Amazon CloudWatch Synthetics to monitor your API endpoints and understand the overall health of your workloads. CloudWatch Synthetics canaries allow you to monitor API endpoints by creating HTTP steps and configuring the request type, endpoint URL, […]

Manage Amazon CloudWatch agent deployment at scale using the AWS Cloud Development Kit to optimize AWS usage

In this blog post, we will show you how you can programmatically deploy the Amazon CloudWatch agent using the AWS Cloud Development Kit (AWS CDK) as you create your Amazon Elastic Compute Cloud (Amazon EC2) instances. You can use the command line, AWS Systems Manager, and AWS CloudFormation to install the CloudWatch agent on your EC2 instances. We also recently announced that the […]

Monitor and scale your Amazon ECS on AWS Fargate application using Prometheus metrics

If you’ve ever run a containerized workload, you know that it can be tricky to check what’s happening in your container. In this blog post, I show how you can monitor and scale your Amazon Elastic Container Service (Amazon ECS) on AWS Fargate application using Prometheus metrics. Although there is more information about Prometheus already […]

How BT uses Amazon CloudWatch to monitor millions of devices

In this guest post, Ciaran Kearney, Data Engineer at multinational telecommunications company BT discusses how BT built a monitoring solution using Amazon CloudWatch dashboards, composite alarms, and embedded metric format to support the monitoring of millions of devices. Customers with high-cardinality monitoring use cases often face challenges when it comes to implementing observability. Monitoring high-cardinality workloads […]