Dear Autonians, Using python cashing is a good idea as long as we are careful where to put the cash. root at gpu8$ df -h /tmp Filesystem Size Used Avail Use% Mounted on /dev/mapper/sl_gpu8-root 50G 50G 5.9M 100% / root at gpu8$ du -h -s /tmp 26G /tmp I had to reboot the server. Predrag