Hello @rian amrodin As @Wynner suggested, you should be able to route FlowFiles based on file size using 'gt()' EL function. However surprisingly, ListFTP and ListSFTP doesn't write 'file.size' attribute where it's supposed to do.. I submitted a JIRA NIFI-4041 and a fix for that. I hope it will be merged and available soon. Thanks for sharing your experience with Apache NiFi! https://issues.apache.org/jira/browse/NIFI-4041 ... View more