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Old 12-06-2009, 12:46 PM   #1
nima0102
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Output of "ps" command


Hi
Thanks for your sharing your experience
I have confused on fields "VSZ","%MEM" and "RSS" In output of "ps -aux" command, what differences are between these parameters ?

Thanks in advance
 
Old 12-06-2009, 12:58 PM   #2
btmiller
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Did you look at "man ps" -- it has the answers to your questions.

VSZ: Vsize -- virtual memory size of the process
RSS: Resident set size -- amount of the processes memory space that's actually mapped to physical memory
%MEM: percentage of physical memory used by the RSS, i.e. RSS/TotalMemory

Seriously, check the man pages -- this information is documented!

Last edited by btmiller; 12-06-2009 at 12:59 PM. Reason: I can't spell
 
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Old 12-07-2009, 04:27 AM   #3
nima0102
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Quote:
Originally Posted by btmiller View Post
Did you look at "man ps" -- it has the answers to your questions.

VSZ: Vsize -- virtual memory size of the process
RSS: Resident set size -- amount of the processes memory space that's actually mapped to physical memory
%MEM: percentage of physical memory used by the RSS, i.e. RSS/TotalMemory

Seriously, check the man pages -- this information is documented!
Thanks for your reply
Why amount of VSZ in most of time is more than RSS ??

Thanks in advance
 
  


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