https://github.com/ihrwein/webhdfs
https://tiborbenke.blogs.balabit.com/2013/11/the-syslog-ng-in-the-hadoop-era/
https://github.com/prezi/logbox
http://docs.mongodb.org/ecosystem/tools/hadoop/#hadoop-connector
http://opentsdb.net/docs/build/html/index.html
http://docs.mongodb.org/ecosystem/tutorial/getting-started-with-hadoop/