Spot instance

 AWS EC2 spot instances  are using the spare capacity in AWS cloud and provide you EC2 instance at individual requested price.

 At any point of time,AWS can reclaim(terminate ) your instance to the highest bidder with 2 minutes of notification.

you can use AWS EC2 spot instance for machine critical appications.

Do not run critical jobs on EC2 if you can't tolerate failure!.

Hands on:

from the EC2 instance launch page, Navigate to instances --> Spot Requests from the left menu.

Click on Request spot instances.                                                                                                                     

Then the screen prompts to screen where we need to provide all the inputs for spot instance. provide all your inputs based on your requirements.

Finally click on launch.