Is CloudWatch useful?

CloudWatch enables you to monitor your complete stack (applications, infrastructure, and services) and leverage alarms, logs, and events data to take automated actions and reduce Mean Time to Resolution (MTTR). This frees up important resources and allows you to focus on building applications and business value.

Which actions can you perform using Amazon CloudWatch?

Amazon CloudWatch is a monitoring service for Amazon Web Services cloud resources and the applications you run on Amazon Web Services. You can use Amazon CloudWatch to collect and track metrics, collect and monitor log files, set alarms, and automatically react to changes in your Amazon Web Services resources.

Is CloudWatch global or regional?

Customizable home pages in the CloudWatch console that you can use to monitor your resources in a single view, even those spread across different regions. There is no limit on the number of CloudWatch dashboards you can create. All dashboards are global, not region-specific.

Is CloudTrail expensive?

Because you can view, search, and download the most recent 90-day history of your account’s management events for free using CloudTrail in the AWS console or the AWS CLI Lookup API, the first copy of your management events is delivered at no cost.

What is a period in CloudWatch?

A period is the length of time associated with a specific Amazon CloudWatch statistic. Each statistic represents an aggregation of the metrics data collected for a specified period of time. Periods are defined in numbers of seconds, and valid values for period are 1, 5, 10, 30, or any multiple of 60.

What are the disadvantages of using CloudWatch?

However, the disadvantages of using it are significant. The biggest one for most is is how quickly costs spiral as you scale, and there are other issues like limited default graphs, poor data retention, and no way to collaborate and share with your team. That’s why it usually makes more sense to use CloudWatch with another tool.

What is the difference between Amazon CloudWatch and Nagios?

AWS CloudWatch scores a respectable 770 out of 950, while Nagios comes in lower at 637 out of 950. Amazon CloudWatch—albeit rudimentary—is a competent monitoring solution for AWS-based cloud infrastructures.

How much does CloudWatch cost?

True to AWS’ metered pricing model, CloudWatch can be a bit hard to price—albeit, monitoring for most organizations are clearly more cost-effective than Nagios XI. For example, each dashboard costs $3.00/month and detailed monitoring for EC2 instances costs $3.50 per instance/month. 6. API and Extensibility

Are AWS CloudWatch alarms always on?

Amazon CloudWatch alerts appear to only allow you to set “Alarms” for things already exposed & integrated to publish metrics to CloudWatch. Additionally, and more importantly: AWS CloudWatch Alarms are ALWAYS ON. This might not seem to be a bad thing initially, as you’d think you want to get alerts for most things you put Alarms on.