Hi, Pretty new to NiFi and trying to understand the difference between Fetch,Get and List processors. List - As I understand, creates flow files with only metadata and not the data. This information can be further passed to downstream to read the file contents. I am pretty confused about Get/Fetch and which one to be used under what situation. ... View more

I'm fairly new to NiFi and trying to execute a Python script stored on Local FS using NiFi. There are couple of XLSB files stored in HDFS. I would want to build a NiFi flow that reads files from HDFS and passes the filename to Python script so that it can convert those to CSV and store it back to HDFS. What should be the flow I need to use to get the above working. I tried using ListHDFS -> ExecuteStream but dont know if that's correct. Also, how do I just test the output of ListHDFS to see the output. ... View more