[GTALUG] Swappiness

David Mason dmason at ryerson.ca
Wed Sep 5 08:14:04 EDT 2018


See https://www.howtoforge.com/tutorial/linux-swappiness/

Setting it to a much lower number (like 20) sounds like it would work better if your ram usage is fairly stable. Sound like, “try it and see” is called for (an painless).

../Dave
On Sep 5, 2018, 6:52 AM -0400, o1bigtenor via talk <talk at gtalug.org>, wrote:
> On Tue, Sep 4, 2018 at 11:16 PM, Evan Leibovitch via talk
> <talk at gtalug.org> wrote:
> > On Tue, Sep 4, 2018, 10:40 PM John Weintraub, <johnweintraub at gmail.com>
> > wrote:
> > >
> > > Is your swap equal to twice the amount of RAM? That's the default; I am
> > > not sure where you came up with the number "60";
> >
> >
> > I was referring to this:
> >
> > https://en.m.wikipedia.org/wiki/Swappiness
> >
> Greetings
>
> Article looks interesting except the systemd provisions are attributes and and
> are not mentioned. Bottom of the article indicates a somewhat recent editing
> date but with no mention of systemd I have further questions. The article
> mentions places to change 'swappiness' and I can find the actual file but there
> is nothing in the sysctl.conf (IIRC the name) file re: swappiness. Somehow I
> would prefer something that did refer to systemd foibles as well for a guide so
> as not to really pooch anything.
>
> I, too, am interested largely because I have lots of ram and wouldn't mind
> speed enhancements.
>
> Regards
>
> Dee
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