An Introduction to Accumulo, an Apache NoSQL Solution
The following 10-minute video will introduce you to Apache Accumulo, a distributed key/value store that is built on top of Hadoop, Zookeeper, and Thrift. From the Apache Accumulo website:
Apache Accumulo features a few novel improvements on the BigTable design in the form of cell-based access control and a server-side programming mechanism that can modify key/value pairs at various points in the data management process. Other notable improvements and feature are outlined here.