Here is my .rtorrent.rc file. This file should be located in the /home directory of the user who uses rtorrent.
max_memory_usage at a very high value to avoid the File chunk write error: Cannot allocate memory error messages. To date I downloaded a 60GB torrent and so far so good.ln -s /shares/internal/PUBLIC/ share./share/torrents/./share/torrents/finished/You can download it here.