I just checked with my coworker Marko (author of Gremlin [1]) and he told me that no-one really has much info on this. Though he said that Apache Hama [2] + Ang

I just checked with my coworker Marko (author of Gremlin [1]) and he told me that no-one really has much info on this. Though he said that Apache Hama [2] + Angrapa [3] is a supposed to be a clone. I think Hama is built on MR so maybe Google's version is as well? [1] http://github.com/tinkerpop/gremlin http://github.com/tinkerpop/gremlin [2] http://incubator.apache.org/hama/ http://incubator.apache.org/hama/ [3] http://wiki.apache.org/hama/GraphPackage http://wiki.apache.org/hama/GraphPackage