https://docs.cloudera.com/HDPDocuments/HDF3/HDF-3.5.0/storm-topologies/storm-topologies.pdf
http://doc.codingdict.com/storm/51/
https://apache.googlesource.com/storm/+/master/conf/defaults.yaml
https://raw.githubusercontent.com/apache/storm/master/conf/defaults.yaml
Working with Storm Topologies