Re: [Rhythmbox-devel] Rhythmbox memory usage

["Peter Colijn" <pcolijn gmail com>]

Hi,

Memory usage is indeed an important statistic to track .However, you
must be careful when measuring it; top is notoriously bad. The reason
top does not give you a good idea of memory usage is because it
double-counts memory used by shared libraries.

So in your example, memory used by gtk is included in both the figure
for rhythmbox and the figure for epiphany, even though gtk is only in
memory once.

The other thing to note is that the RSS (resident set size) is really
the most important statistic, since it is what is actually in RAM. So
here a 20M RSS that includes shared libraries really isn't that bad.
Of course, making it better is awlays nice, but it is a good idea to
understand the figures reported by top.

BTW, what are some other good utilities for gauging memory usage?

Have fun,

Peter

On 3/27/06, Nguyán ThÃi Ngác Duy <pclouds gmail com> wrote:
> Hi,
> I don't know if anyone has measured rhythmbox's memory usage. It uses
> alot in my machine (VIRT value of top command is 86m, RES is 20m). It
> is the second biggest process (the first one is epiphany VIRT 138m RES
> 45m and the third is X with VIRT 163m and RES 9m). I heard somewhere
> that those values are not correct but still impressed. Perhaps we
> should do something to cut down the memory usage.
> BTW, I have 4200 songs, 21.4GB total.
> --
> Bi Cá Lao
>
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