Amazon EC2 introduces application status checks

Amazon EC2 Application Status Checks

Amazon EC2 introduces application status checks, a new feature that helps customers detect and respond to application-level issues on their EC2 instances. This feature monitors applications to detect issues such as a web server that has stopped accepting requests, a Docker daemon that is not running, an incorrect networking configuration, or a network interface that is no longer passing traffic.

Customers can now monitor the status of their applications running on EC2 instances alongside existing EC2 instance and system status checks. To create a check, customers specify the protocol, port, and path to monitor, along with the response codes that indicate a healthy application. After associating the check with their instances, Amazon EC2 sends HTTP or HTTPS requests to that port and path and reports on the application’s status every 60 seconds. Auto Scaling groups can act on application status, initiating recovery by replacing instances when their applications report unhealthy.

What to do

• Create application status checks by specifying the protocol, port, and path to monitor.
• Associate checks with instances by instance ID or tag.
• Monitor application status reports every 60 seconds.
• Configure Auto Scaling groups to act on application status.

Source: AWS release notes

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