On 12/27/13 08:50, Alexander Puchmayr wrote:
> On Freitag, 27. Dezember 2013, 00:42:06 Alan McKinnon wrote:
>
>> What column in htop shows that number?
>>
>> top, htop, and all their friends do not display what most people assume
>> they display. Modern OSes (for more than a decade now) manage memory in
>> a way that makes it impossible to answer "how much memory is this app
>> using?"
>>
>> If you are looking at the VIRT column, just ignore it, that column is
>> practically useless for most rational viewings of {h,}top
> I know, the VIRT column shows the size of the virtual adress space of the
> process, and this has nothing to do with the real, physical amount of memory
> allocated.
>
> The RES column shows the resident memory, i.e. those pages actually in use
> and
> kept in memory, exclusive those pages swapped out. This column shows
> currently
> 1185M (after rebooting this morning)
>
>
>
I think the best way to measure how much memory a process is using is to
kill it and see how much memory is freed.
