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тАО07-12-2007 02:30 AM
тАО07-12-2007 02:30 AM
memory utilization
Thanks.
p.s: it is a DL380-g5 Server.
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тАО07-12-2007 02:39 AM
тАО07-12-2007 02:39 AM
Re: memory utilization
You can use lsof or top to see the top memory users.
Note:
output of the free command will show unused memory allocated as buffer cache. I've seen that annoy people, but that is the dafault behavior of Red Hat distributions.
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тАО07-12-2007 02:59 AM
тАО07-12-2007 02:59 AM
Re: memory utilization
http://forums.gentoo.org/viewtopic.php?t=175419 Linux Memory Management or 'Why is there no free RAM?'
http://www.redhat.com/magazine/001nov04/features/vm/ Understanding Virtual Memory
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тАО07-12-2007 03:15 AM
тАО07-12-2007 03:15 AM
Re: memory utilization
This is an old IRIX tool - which has been cloned:
http://oss.sgi.com/projects/gmemusage/
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тАО07-13-2007 10:50 AM
тАО07-13-2007 10:50 AM
Re: memory utilization
"free -mt" output; add both free and cached whihc is equal to total free memory
Total under Mem:is total physical memory too
# free -mt
total used free shared buffers cached
Mem: 3768 3571 196 0 459 2791
-/+ buffers/cache: 321 3447
Swap: 2047 71 1975
Total: 5815 3643 2172
"UNIX95= ps -eo pid,user,sz,vsz,args|sort -nbk3" to list the processes interms of memory.sz represents the mem usage and vsz is the swap usage.
UNIX95= ps -eo pid,user,pcpu,args|sort -nbk3
where pcpu valus is the cpu usage.