top after unmounting the big ramdisk: top - 22:39:08 up 1 day, 13:31, 1 user, load average: 0.05, 0.03, 0.05 Tasks: 245 total, 1 running, 244 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 49452964 total, 20996188 used, 28456776 free, 19580 buffers KiB Swap: 50320380 total, 15316644 used, 35003736 free. 19612676 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 805 root 20 0 52780 13564 3540 S 0.0 0.0 0:05.05 munin-node 3351 root 20 0 99532 6456 5480 S 0.0 0.0 0:00.05 sshd 3385 root 20 0 26788 5416 3376 S 0.0 0.0 0:00.09 bash 1496 root 20 0 123748 3976 3376 S 0.0 0.0 0:06.23 thermald 1243 root 20 0 10272 3928 1620 S 0.0 0.0 0:00.34 dhclient 1532 root 20 0 59580 3672 2984 S 0.0 0.0 0:00.01 sshd 1679 ntp 20 0 31488 3336 2728 S 0.0 0.0 0:06.37 ntpd 4074 root 20 0 29148 3224 2600 R 0.1 0.0 0:00.02 top 628 syslog 20 0 255864 3164 1916 S 0.0 0.0 0:00.59 rsyslogd 1 root 20 0 29048 3160 1936 S 0.0 0.0 0:04.24 init 3038 root 20 0 36764 3028 2712 S 0.0 0.0 0:00.03 systemd-logind 698 message+ 20 0 43992 2644 2156 S 0.0 0.0 0:00.12 dbus-daemon 405 root 20 0 23704 2588 2340 S 0.0 0.0 0:00.09 cgmanager 438 root 20 0 34772 2584 2088 S 0.0 0.0 0:00.64 systemd-udevd 1554 root 20 0 26032 2380 2112 S 0.0 0.0 0:00.20 cron 1604 root 20 0 19500 1892 1612 S 0.0 0.0 0:12.49 irqbalance 1495 root 20 0 20000 1844 1684 S 0.0 0.0 0:00.00 getty 1492 root 20 0 20000 1824 1660 S 0.0 0.0 0:00.00 getty 1503 root 20 0 20000 1824 1672 S 0.0 0.0 0:00.00 getty 1809 root 20 0 20000 1808 1656 S 0.0 0.0 0:00.00 getty 1500 root 20 0 20000 1784 1624 S 0.0 0.0 0:00.00 getty 1501 root 20 0 20000 1764 1600 S 0.0 0.0 0:00.00 getty 431 root 20 0 24092 1412 1144 S 0.0 0.0 0:00.22 upstart-udev-br 624 root 20 0 15308 196 0 S 0.0 0.0 0:00.08 upstart-file-br 675 root 20 0 15292 196 0 S 0.0 0.0 0:00.05 upstart-socket- 1555 daemon 20 0 19156 168 0 S 0.0 0.0 0:00.00 atd 1629 root 20 0 12736 132 0 S 0.0 0.0 0:00.00 uuidd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:00.62 ksoftirqd/0 5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 8 root 20 0 0 0 0 S 0.0 0.0 2:14.60 rcu_sched 9 root 20 0 0 0 0 S 0.0 0.0 1:00.05 rcuos/0 10 root 20 0 0 0 0 S 0.0 0.0 0:58.62 rcuos/1 11 root 20 0 0 0 0 S 0.0 0.0 1:01.30 rcuos/2 12 root 20 0 0 0 0 S 0.0 0.0 1:00.73 rcuos/3 13 root 20 0 0 0 0 S 0.0 0.0 1:02.41 rcuos/4 14 root 20 0 0 0 0 S 0.0 0.0 1:05.52 rcuos/5 15 root 20 0 0 0 0 S 0.0 0.0 0:59.67 rcuos/6 16 root 20 0 0 0 0 S 0.0 0.0 1:02.63 rcuos/7 17 root 20 0 0 0 0 S 0.0 0.0 0:55.07 rcuos/8 18 root 20 0 0 0 0 S 0.0 0.0 1:18.30 rcuos/9 19 root 20 0 0 0 0 S 0.0 0.0 1:02.64 rcuos/10 20 root 20 0 0 0 0 S 0.0 0.0 1:05.45 rcuos/11 21 root 20 0 0 0 0 S 0.0 0.0 1:05.12 rcuos/12 22 root 20 0 0 0 0 S 0.0 0.0 1:20.56 rcuos/13 23 root 20 0 0 0 0 S 0.0 0.0 1:03.92 rcuos/14