In order to distribute your data among your cluster nodes you need to use site to site. Basically primary gets a list > send the list to a remote processing group ( RPG ) > configure an input port ( Name it something distinctive ) > send that relation to FetchSFTP *** In order to see your Input port when you connect to the RPG, make sure you have configured the input port. https://community.hortonworks.com/articles/16120/how-do-i-distribute-data-across-a-nifi-cluster.html https://docs.hortonworks.com/HDPDocuments/HDF1/HDF-1.2/bk_UserGuide/content/site-to-site.html ... View more

On FetchSFTP are you putting in: "${path}/${filename}" For Remote path setting? ... View more

I'm not sure if this is root cause but if you are using embedded zookeeper make sure you are not using the NCM as a zookeeper node since it will not start up the embedded zookeeper. ... View more

Just want to point out that Apache NIFI is part of HDF, at this point if starting from scratch and you have choice, always go with latest. ... View more

Could you post what you have on the message field from PutEmail please? ... View more