If you want to add a server hosted on Amazon EC2:
You need to have an Amazon EC2 account with the corresponding key pair and security group. For more information, see the online Amazon EC2 documentation.
If you wish to use your own Amazon Machine Images (AMI), it must include an Oracle JDK, Unzip as well as a JobServer installed as a service to enable task deployment on the Amazon cloud.
It is recommended to increase the Tomcat memory. For more information on how to increase the memory of Tomcat, see the Talend Installation Guide.