Spark (http://spark.incubator.apache.org/ http://spark.incubator.apache.org/), which is part of the Berkeley Data Analytics Stack (BDAS - https://amplab.cs.berk

Spark (http://spark.incubator.apache.org/ http://spark.incubator.apache.org/), which is part of the Berkeley Data Analytics Stack (BDAS - https://amplab.cs.berkeley.edu/software/ https://amplab.cs.berkeley.edu/software/), will likely emerge as Hadoop's successor (see https://news.ycombinator.com/item?id=6466222 https://news.ycombinator.com/item?id=6466222). Graph databases and graph analytics is an emerging space (see https://news.ycombinator.com/item?id=6786563 https://news.ycombinator.com/item?id=6786563).