How to view memory consumption of a single process at the OS level in AIX/LINUX

Zookeeper

-- How to view memory consumption of a single process at the OS level

AIX:

$ Svmon-Pt10 | perl-e 'while (<>) {print if ($. = 2 | $ &&&! $ S ++); $. = 0 if (/^-+ $/)} '---- This shows the top 10 processes that occupy the maximum memory.
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Pid Command Inuse Pin Pgsp Virtual 64-bit Mthrd 16 MB
5111942 svmon 22446 8768 0 22370 Y N
4391128 ksh 18298 8724 0 18232 N
5308430 perl5.8.8 18262 8724 0 18245 N

AIX: (available in linux)
$ Ps gv
Pid tty stat time pgin size rss lim tsiz trs % CPU % MEM COMMAND
0-A 7 384 384 xx 0 0.0 0.0 swapper
1-A 105 752 796 32768 31 44 0.0 0.0/etc/in
131076-A 5478: 05 0 448 448 xx 0 25.8 0.0 wait
196614-A 0 448 448 xx 0 0.0 0.0 sched
262152-A 0 512 512 xx 0 0.0 0.0 lrud
327690-A 0 448 448 xx 0 0.0 0.0 vmptacrt
393228-A 0 512 512 xx 0 0.0 0.0 psmd
458766-A 0 896 896 xx 0 0.0 0.0 vmmd
524304-A 0 448 448 xx 0 0.0 0.0 memgrdd
589842-A 0 448 448 xx 0 0.0 0.0 lsareapr

View the top 10 processes with the largest memory consumption in aix
$ Ps gv | sort-rn + 6 | head-10 -------------- this is also very intuitive
4128976-A 06 2743 42476 42548 68 72 32768 0.0/usr/ja
2687164-A 31 9000 9084 32768 60 84 0.0 1.0/usr/sb
2883710-A 37 5696 5904 32768 518 208 0.0/usr/sb
3014794-A 01 55 5672 5892 32768 394 220 0.0/usr/sb
3145838-A 32 5540 5668 32768 164 128 0.0/usr/sb
3080322-A 24 5472 5528 32768 43 56 0.0 0.0/usr/sb
4194350-A 412 4708 5248 xx 555 540 0.0 0.0/usr/sb
3407976-A 144 4180 5244 32768 1213 1064 0.0 0.0 sendmai
3866866-A 129 3792 4400 32768 524 608 0.0 0.0/usr/sb
2424972-A 76 4204 4384 32768 151 180 0.0/usr/sb

$

Aix, linux --------------- this is recommended

$ Ps aux | head-1; ps aux | sort-rn + 3 | head-10
User pid % CPU % MEM SZ RSS TTY STAT STIME TIME COMMAND
Pconsole 4128976 0.0 4.0 42540-A Apr 11/usr/java5/bin/
Root 2687164 0.0 1.0 9056-A Apr 11/usr/sbin/cron
Root 5636150 0.0 0.0 3928-A 22:37:25 telnetd-
Root 5046428 0.0 0.0 1628-A Apr 11/usr/sbin/rsct/
Root 4849856 0.0 0.0 2624-A Apr 11/usr/sbin/rsct/
Root 4784276 0.0 0.0 344-A Apr 11/usr/sbin/rpc. l
Root 4718738 0.0 0.0 1216 1216-A Apr 11 rpc. lockd
Root 4653208 0.0 0.0 108-A Apr 11/usr/sbin/uprin
Root 4587674 0.0 0.0 332-A Apr 11/usr/sbin/write
Root 4456616 0.0 0.0 4064-A Apr 11/usr/bin/topasr

$ Svmon-uP-t 50 | grep-p Pid | grep '^. * [0-9]'
5112000 svmon 22452 8768 0 22370 Y N
4391128 ksh 18298 8724 0 18232 N
5308462 grep 18163 8724 0 18154 N
5767348 grep 18163 8724 0 18154 N
$ Svmon-P-O summary = basic, unit = MB
Unit: MB

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Pid Command Inuse Pin Pgsp Virtual
5112002 svmon 87.7 34.2 0 87.4
4391128 ksh 71.5 34.1 0 71.2
$

$ Svmon-U 'ps-ef | cut-c1-8 | sort-U'-O segment = off-O unit = MB
Unit: MB
========================================================== ========================================================
User Inuse Pin Pgsp Virtual
Oracle 121.07 34.3 0 120.49
Segment = off *** user does not exist ***
Pconsole-O *** user does not exist ***
Daemon *** user does not exist ***
Root *** user does not exist ***
UID *** user does not exist ***