Yes, Aerospike has tested on Amazon instances. You can find the full instructions for installing the Aerospike Community Edition AMI at:
If you wish to use try the trial version, please follow the directions to using the trial edition in order to get your key. Then contact Aerospike support by sending an email to “support@aerospike.com” in order to get access to the trial AMI. You can obtain the trial key at the following URL.