I have a large library with a bunch of special snowflake filenames (very long names, wierd characters, CJS names, etc) and currently it has 85726 files in it, including 23421 videos and 62293 images. The files are stored on a network share (fedora 31, mdadm raid5, shared with smb). Windows defender was also using up a ton of bandwidth but I think I got the exclusions and it's stopped. MC is still being slow though.
Now when I go to finish the import (there are some more files there) it imports 11 files and then starts to take a LOOOOONG time per file, and use a vast quantity of both memory and network bandwidth (on the order of all my memory). eventually I just kill it because I'm out of memory and it's not making much progress.
Any ideas what's happening? For reference there are about 34,000 total video files in the folder that should be imported (including the 23,000 that have already been successfully imported)