It's open source, it has community support, its also compatible with official Oracle JDK, CentOS is best for stability, and package management in centOS using YUM it can be easy to use.
Implementation is easy. Customer support or community support has available Review collected by and hosted on G2.com.
The latest version sometime may not have the latest features as compared to commercial Java implementaion, OpneJdk does not provide security updates, also get some integration challenge as well. Review collected by and hosted on G2.com.