Articles
103 – Apache NiFi Flowfile Provenance
Thanks to the data provenance provided by Apache NiFi’s debugging capabilities, you are able to track your Flowfiles within your workflow from start to end.
102 – The Apache NiFi Expression Language
All data that enters Apache NiFi is represented with an abstraction called a Flowfile. The attribute portion of a Flowfile is better known as the file’s meta data.