AIX: How to get top 15 Processes using high swap usage.
Today we will look a small however useful tip to see swap usage in AIX.
Here we will also check the top 15 processes sing high swap space on the server.
It is very useful in day to day server monitoring.
1. Checking total swap usage summary.
ngelinux120:tmp $ lsps -a Page Space Physical Volume Volume Group Size %Used Active Auto Type Chksum hd6 hdisk9 rootvg 16384MB 0 yes yes lv 0
2. Checking detailed swap/memory usage
ngelinux120:tmp $ svmon
size inuse free pin virtual mmode
memory 19660800 13930592 5730208 3501431 8580805 Ded
pg space 4194304 20042
work pers clnt other
pin 2819304 0 4543 677584
in use 8580805 0 5349787
PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 6671232 20042 1074151 1321445
m 64 KB - 453710 0 151705 453710
L 16 MB - 0 0 0 0
S 16 GB - 0 0 0 0
3. Get top 15 processes using high swap space.
ngelinux120:tmp $ svmon -Pt15 | perl -e 'while(<>) {print if($.==2||$&&&!$s++);$.=0 if(/^-+$/)}'
-------------------------------------------------------------------------------
Pid Command Inuse Pin Pgsp Virtual 64-bit Mthrd 16MB
14614634 java 937119 14475 0 694594 Y Y N
20381732 java 934507 14472 0 798633 Y Y N
24641774 java 885806 14476 0 749949 Y Y N
19267814 java 859320 14474 0 751692 Y Y N
20250662 java 833321 14469 0 725423 Y Y N
25755864 java 804603 14475 0 698337 Y Y N
23527568 java 779297 14449 0 671909 Y Y N
22544386 java 237275 14382 0 192108 Y Y N
22085760 java 161927 14325 0 114979 Y Y N
20643848 httpd 128164 16547 0 89934 Y Y N
25362610 httpd 87394 14144 0 49164 Y N N
24969390 httpd 87329 14144 0 49183 Y N N
24838378 httpd 87324 14144 0 49094 Y N N
8126716 syslogd 74817 14144 0 49183 Y N N
9961618 had 71636 32579 0 45762 N Y N
ngelinux120:tmp $