Category: Amazon CloudWatch

Introduction The Domain Name System (DNS) is one of the most critical components for almost any network as every service relies on a functional DNS service. Amazon Route 53 Resolver (sometimes referred to as “AmazonProvidedDNS” or the “.2/+2 resolver”) provides a highly available and scalable DNS service that customers have come to rely upon for their recursive DNS […]

Amazon CloudWatch offers a centralized service to collect monitoring and operational data in the form of logs, metrics, and events. This provides a unified view of AWS resources, applications, and services that run on AWS and on-premises servers. When you have Amazon CloudWatch agents running on-premises, the default behavior is to export the collected metrics […]

AWS Direct Connect (DX) recently launched support for virtual interface (VIF) metrics in Amazon CloudWatch. With this new enhancement, CloudWatch can now track metrics at the DX VIF level and provide greater insight into utilization. You can set up alarms based on metrics and trigger actions to remediate problems. I’ve heard from many customers that […]

Introduction Werner Vogels, chief technology officer for AWS, has been quoted as saying: “Everything fails all the time.” Well, his quote applies as well to content delivery with Amazon CloudFront and Lambda@Edge. In content delivery, issues might occur in different places, for example: On your origin, when it returns HTTP 5xx errors On CloudFront, when […]