From: Yohanes Santoso <ysantoso-rubytalk@...>
Date: 2007-10-18T17:45:55+09:00
Subject: Re: Should *most* memory be release back to the system?

Joel VanderWerf <vjoel@path.berkeley.edu> writes:

> Yohanes Santoso wrote:
>> But most importantly, one should know that RSS and VSZ are not
>> Accurate Measure of Memory Usage.
>
> Do you mean not accurate as (1) or (2):
>
> (1) an estimate of how much memory is used by the interpreter for
> objects, program, etc.
>
> or
>
> (2) an estimate of how much memory the kernel has allocated to the process.

It's #1.

For #2, it's quite difficult what with shareable memory and such. VSZ
is a good approximation for that if there isn't that much shareable
memory.

YS.