To improve performances or avoid disk i/o, one may mount /tmp in memory (mfs). As example to create a /tmp using 10% of available RAM:
# sed -i '/\/tmp /s/^/\#/' /etc/fstab # printf "swap /tmp mfs rw,nodev,nosuid,-s=%sB 0 0\n" \ $(dmesg |awk '/avail mem/ { print $4 }') \ >> /etc/fstab # chmod 1777 /tmp # mount -a