AWS Cloud Operations Blog

Category: Amazon CloudWatch

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 […]

Improve security by analyzing VPC flow logs with Amazon CloudWatch Contributor Insights

You can use rules in Amazon CloudWatch Contributor Insights to gain security visibility into your VPC flow logs. The rules analyze flow logs in targeted groups in Amazon CloudWatch Logs and display the Top-N contributors for a given log field or combination of log fields. In this post, I’ll show you how to set up CloudWatch Contributor Insight rules for VPC flow logs. I’ll demonstrate how to:

Map the VPC flow log format to rules in Contributor Insights.
Explain how a single rule can be used to monitor many VPC flow logs.
Walk through some sample rules and show them in a CloudWatch dashboard.

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Automate customized deployment of cross-account/cross-region CloudWatch Dashboards using tags

Amazon CloudWatch Dashboards are a great way to monitor your AWS resources. During peak events when you are expecting high traffic, monitoring your AWS resources helps you stay ahead of any issues that may arise. You might want a customized and automated dashboard that can be used during a seasonal event, important releases, holidays, and […]

Viewing permission issues with service-linked roles

Each AWS service requires explicit access to resources, endpoints, and objects that reside in the domain of another service. This is referred to as the permission boundary. Services like AWS Config, Amazon Macie, and AWS GuardDuty require an AWS Identity and Access Management (IAM) role that grants access to resources outside of its control. Understanding […]

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Monitoring Cisco CSR 1000v VPN tunnel and BGP status using Amazon CloudWatch

Many organizations get access to their AWS resources using a Direct Connect connection or a Site-to-Site VPN. AWS Site-to-Site VPN creates a secure connection between your data center or branch office and your AWS cloud resources.  In this post, we will see how to monitor your Cisco CSR VPN tunnel and BGP (Border Gateway Protocol) […]

Create canaries in Python using Selenium in Amazon CloudWatch Synthetics

Create canaries in Python and Selenium using Amazon CloudWatch Synthetics

In April 2020, we launched Amazon CloudWatch Synthetics, which developers can use to create canaries that are configurable scripts running on a schedule to monitor endpoints, APIs, and website content. With canaries, your business can discover issues before your customers do, so you can react quickly to fix them. When you’re running scripts on CloudWatch […]

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Cross-Region application monitoring using Amazon CloudWatch Synthetics and AWS CloudFormation

Customers need a way to find problems with their application before the real end users encounter them. They need to predict how their application will perform in supported geographies and isolate the root cause of any detected bottlenecks. Synthetic monitoring allows customers to emulate business processes or user transactions from different geographies and monitor their […]

Build scheduler with AWS Lambda functions using Amazon EventBridge solution architecture diagram.

Build a scheduler as a service with Amazon CloudWatch Events, Amazon EventBridge, and AWS Lambda

There are multiple ways to build a scheduler as a service in AWS. In this blog post, we provide step-by-step instructions for building a scheduler as a service with Amazon CloudWatch Events and Amazon EventBridge with AWS Lambda. We also demonstrate how to build a dynamic API scheduler using EventBridge and Lambda. CloudWatch Events deliver […]