Probably their Data Provenance, which tracks everything that happened to the data. https://cwiki.apache.org/confluence/display/NIFI/Persistent+Provenance+Repos

Probably their Data Provenance, which tracks everything that happened to the data. https://cwiki.apache.org/confluence/display/NIFI/Persistent+Provenance+Repository+Design https://cwiki.apache.org/confluence/display/NIFI/Persistent+...