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Re: Memory Usage

From: pelzflorian (Florian Pelz)
Subject: Re: Memory Usage
Date: Fri, 24 Feb 2017 13:58:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.7.1

On 02/24/2017 09:08 AM, Maxim Cournoyer wrote:
> Hi Rodger!
> Rodger Fox <address@hidden> writes:
>> What is the typical memory usage of a GuixSD system?
>> I can't seem to get mine below 5GiB, according to top.
> Ugh. This with a full blown Gnome desktop?
>> This is when I stop Xorg and most system services, including
>> networking and such, and just log in to a plain terminal with nothing
>> but top running. Is this normal?
> It doesn't sound normal to me. I'd expect Gnome to boot with about 1 GiB
> RAM usage.
>> The numbers listed per process in top don't even add up to that, but
>> it reports the total being high. Also, icecat uses a 1000m and
>> gnome-terminal uses 500m.
> Depends how many tabs you have opened but yes, IceCat/Firefox/Any
> browser are very memory hungry.
>> This seems wrong to me, but I'm not sure. In my session right now it
>> is reporting over 14GiB of memory use. I don't know why it should be
>> so high.
> Using the minimal desktop environment (ratpoison) with GuixSD I'm
> booting with RAM usage of about 100 MiB.
> Maxim

Full-blown GNOME Desktop shows in GNOME System Monitor as consuming <390
MiB of RAM. Opening the Web site in netsurf-gtk makes for
a total of <490 MiB.

Note that top can distinguish between „readily reclaimable“ memory and
memory that is not „readily reclaimable“, which AFAIK is what is
actually important. See the top man page.


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