Comment 18 for bug 1727653

abautu (abautu-gmail) wrote :

From /etc/xdg/autostart/org.gnome.DejaDup.Monitor.desktop (and https://git.launchpad.net/deja-dup/tree/data/org.gnome.DejaDup.Monitor.desktop.in):

# Try to limit memory -- we have reports of runaway deja-dup-monitor processes
# but I can't reproduce it. So until we fix whatever is happening there, try
# this. LP: #1302416
Exec=sh -c "ulimit -v 1000000; ulimit -n 4096; exec /usr/lib/x86_64-linux-gnu/deja-dup/deja-dup-monitor"

In fact, limits file of monitor process (under /proc) shows:
Max open files 1024 1048576 files