Thank you Jeff for your explaination. It is much clearer now.
2010/5/15 Jeff Squyres <jsquyres_at_[hidden]>
> On May 12, 2010, at 8:19 AM, Olivier Riff wrote:
> > What I do not understand is where the value of 2104m for the virtual
> memory comes from.
> > When I add the value of Mem used (777848k) to the value of the cache
> (339184k) : the amount is by far inferior to the Virtual memory (2104m).
> > Are here part of the memory allocated by the clients taken into account ?
> No, top only shows the data from one machine.
> > Where are physically allocated these 2104m of data ?
> They may be in physical memory and may also be swapped out on disk.
> Keep in mind that the virtual memory encompasses *all* memory for an
> application -- its code and its data. Hence, this also includes shared
> libraries (which may be shared amongst several processes on the same
> machine), process-specific instructions, process-specific data, and shared
> process data.
> Jeff Squyres
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