> For the complete documentation index, see [llms.txt](https://gyansetu-aws.gitbook.io/aws-cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gyansetu-aws.gitbook.io/aws-cloud/cloudwatch.md).

# CloudWatch

* Amazon CloudWatch monitors your AWS resources and the applications you run on AWS in real time. 
* We can use CloudWatch to collect and track metrics, which are variables you can measure for your resources and applications. 
* CloudWatch alarms send notifications or automatically make changes to the resources you are monitoring based on rules that you define.

#### 2 types

**1.**Basic Cloudwatch – Monitors in every 5 min

2.Detailed Cloudwatch - Monitors in every 1 min Basic monitor matrices are free for EC2, EBS, ELB, RDS. By default, basic CloudWatch is enabled.