Hoping you might be able to point me in the right direction.  If I'm experiencing this same error and "cat /proc/sys/fs/file-max" is reporting 3136547 "over 1 million" what would you suggest?  When I run "ls /proc/<PID>/fs/" on the Nifi "Process ID" it reports back a low and high limit of 4096.  Does this mean that my Nifi process is limited to 4096 open files at a given time?  I'm wondering whether the problem is that the limit is just to low or more of a Nifi issue that its failing to close files at a faster rate. ... View more