Ranked in these QuestionsQuestion Ranking
Pro Quick booting
OSv is able to boot in less than a second.
Pro Amazing performance
Since OSv is created to run one single application on top of a hypervisor, it offers great performance and speed.
Pro Supports multiple platforms
OSv can run applications written in multiple programming languages and that run on multiple different platforms. Such as Java, C, Ruby, Node and Scala. With support for other languages on the way.
Con Can only run one application at a time
Since it tries to have maximum performance, OSv can only afford to run one application per hypervisor at a time.