Murmur Hash 2 is a Murmur Hash family algorithm invented in 2009 by Austin Appleby . It is mainly used in libstdc++ (ver 4.6), libmemcached, maatkit, Hadoop, Kyoto Cabine.
The digest (hash generated by this algorithm) is 32 bits (4 Bytes) in length.
You can read more about it on this page.
Murmur Hash 2 is supported by Easy Hash: