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- $ watch "ps --sort -rss -eo pid,pmem,rss,vsz,comm | head -16"
- PID %MEM RSS VSZ COMMAND
- 2590 13.4 136892 825000 firefox
- 1743 10.7 109020 300780 Xorg
- 2067 8.5 86764 1118140 unity-2d-shell
- 3307 4.1 42560 627780 unity-2d-spread
- 2068 2.9 29904 617644 unity-2d-panel
- 2092 2.5 25524 1291204 nautilus
- 2457 1.9 20292 530276 gnome-terminal
- 2351 1.9 20016 821488 unity-scope-vid
- 2161 1.9 19476 531968 unity-panel-ser
- 2034 1.7 18256 759716 gnome-settings-
- 2074 1.5 16176 518016 nm-applet
- 2273 1.5 15452 580416 unity-lens-vide
- 2051 1.4 15112 524260 metacity
- 2395 1.2 12836 407336 update-notifi
- $ ls -l /run/shm
- total 272
- -r-------- 1 ed ed 67108904 Nov 29 18:17 pulse-shm-1884617860
- -r-------- 1 lightdm lightdm 67108904 Nov 29 18:11 pulse-shm-2352897759
- -r-------- 1 ed ed 67108904 Nov 29 18:12 pulse-shm-3444873503
- -r-------- 1 ed ed 67108904 Nov 29 18:12 pulse-shm-3485341848
- -r-------- 1 lightdm lightdm 67108904 Nov 29 18:11 pulse-shm-535843976
- -r-------- 1 ed ed 67108904 Nov 29 19:12 pulse-shm-789046959
- -r-------- 1 ed ed 67108904 Nov 29 18:38 pulse-shm-863909656
- $ df /run/shm
- Filesystem 1K-blocks Used Available Use% Mounted on
- none 509332 272 509060 1% /run/shm
- $ ipcs -m
- ------ Shared Memory Segments --------
- key shmid owner perms bytes nattch status
- 0x00000000 294912 ed 700 122880 2 dest
- 0x00000000 327681 ed 700 4823040 2 dest
- 0x00000000 491522 ed 600 393216 2 dest
- 0x00000000 589827 ed 700 4578120 2 dest
- 0x00000000 425988 ed 700 27852 2 dest
- 0x00000000 458757 ed 600 393216 2 dest
- root@:~# free -m
- total used free shared buffers cached
- Mem: 1898 1523 374 131 32 588
- -/+ buffers/cache: 902 995
- Swap: 1942 480 1462
- sync; sudo echo 3 > /proc/sys/vm/drop_caches
- root@~# ./cache.sh
- root@~# free -m
- total used free shared buffers cached
- Mem: 1898 1106 791 126 1 207
- -/+ buffers/cache: 897 1000
- Swap: 1942 480 1462
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