Re: [gentoo-user] /var/tmp/notmpfs - does not exist

On 09/05/2015 08:30 AM, Dale wrote:
[snip]
>
>
> Well, you can leave that in fstab for when you can use it.  This is my
> understanding.  Putting portage's work directory on tmpfs speeds up the
> compile because it is done in memory instead of a hard drive.  Thing is,
> there may be times when some packages don't have enough space to
> compile, you run out of tmpfs basically.  One example, libreoffice which
> uses a lot.  I've also found that Firefox also uses a lot of space too.
> Of course, I have enough memory at the moment for both to compile.  You
> may not tho.
>
> When you don't have enough for say Libreoffice to compile on tmpfs, you
> then set a exception for that package.  That is where notmpfs comes in.
> That allows you to use tmpfs for all the other packages but puts it back
> on spinning rust for that package, and any other package you set it for
> such as Firefox.
>
> So, if you have the memory even for large packages like Libreoffice,
> just remove the notmpfs part and leave fstab like it was.  Basically,
> ignore that part of the wiki since you don't need to set that.  If you
> have say 6GBs of ram, you would need that line in fstab AND the part
> about notmpfs.  You would not be able to compile Libreoffice with that
> small amount of ram and even Firefox may not either.
>
> Does that clear up the muddy waters any or am I making it worse?  Maybe
> the better question would be, how much memory does your rig have on it?
> Then folks can advise on where to go based on that.  ;-)
>
> Dale

Thanks Dale for explanation. 
I have 8GB RAM and with fstab:
tmpfs 		/var/tmp/portage 	tmpfs	 	defaults      0 0

it creates 3.9Gb ram disk but that is not enough for firefox I think my default setup was OK with:
/etc/portage/package.env 
/etc/portage/env/notmpfs.conf

Thelma