The infamous sun.misc.Unsafe explained: object creation, native memory allocation, native concurrency - http://mydailyjava.blogspot.hk/2013/12/sunmiscunsafe.html

Features that help for writing low latency application - http://vanillajava.blogspot.com/2014/01/sunmiscunsafe-and-off-heap-memory.html

Tips of using unsafe - http://vanillajava.blogspot.com.au/2014/06/making-unsafe-safer.html

An overview of it - http://www.infoq.com/articles/A-Post-Apocalyptic-sun.misc.Unsafe-World https://blogs.oracle.com/javamagazine/the-unsafe-class-unsafe-at-any-speed