Apache NiFi evolution from version 1.2 included in HDF 3.0 and version 1.5 included in HDF is significant. I find myself quite often puzzled when required to provide differences between releases and just reading the release notes history at https://cwiki.apache.org/confluence/display/NIFI/Release+Notes and looking at the latest list of NiFi processors is not trivial to determine which new processors were added.
I put together matrix which I hope will help developers to take advantage of new processor to improve old and develop new flows.
In a nutshell, main functionality added is around:
Kafka 0.11 and 1.0 processors
Execute Spark Interactive
Execute Groovy Script
My favorite improvements are
around record processors, flattening JSON and executing Spark
The following is a table of the matrix, arranged alphabetically from A-D: