Re: Query about existence of way to free up unnecessary RAM usage
On Wed, 10 Sep 2014 16:00:18 +0800
Bret Busby <bret.busby@gmail.com> wrote:
> On 10/09/2014, Bzzzz <lazyvirus@gmx.com> wrote:
> > On Wed, 10 Sep 2014 03:30:40 +0800
> > Bret Busby <bret.busby@gmail.com> wrote:
> >
> >> Alright, then; it is doing token swapping - with 99% of 16GB memory
> >> usage, and, swapping only 4% of (about) 40GB swap capacity, you
> >> can't seriously tell me that the swapping is working as it should
> >> be.
> >
> > Anyway, a swap of 40GB is too much for a RAM of 16GB (should be
> > around 16-20GB), unless you perform operations that generates
> > a lot of intermediary results).
> >
>
> I had understood the rule to be that swap space size should be at
> least double the size of the RAM.
I think that made a lot more sense back in the days when 128MB of RAM
was standard. If you have 16GB of RAM, and you're not using KDE nor a
lot of VMs, are you ever going to really need all that RAM?
As far as having the virtual memory provide a time window in which you
can either kill the offending application or shut down in a half way
decent manner, I'd think that given the slowness of swapping, 8GB would
be enough for that purpose.
Of course, all this is hypocritical for me to say, because I have 16GB
of semiconductor RAM, and a 44GB swap partition :-)
SteveT
Steve Litt * http://www.troubleshooters.com/
Troubleshooting Training * Human Performance
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