Apache Hadoop 2.8.0 contains a number of significant features and enhancements. For major features and improvements, please refer: overview of major changes coming in 2.8.0. For details of 2917 fixes, improvements, and new features since the previous 2.7.0 release, please check: release notes and changelog
Please note that this release is not yet ready for production use. Critical issues are being ironed out via testing and downstream adoption. Production users should wait for a 2.8.1 or a 2.8.2 release.
2017 Mar 22