Re: [gentoo-amd64] Emerge and Tmpfs

[Beso]

2009/7/7 Peter Humphrey <peter@××××××××××××××.org>

> On Tuesday 07 July 2009 15:36:23 Frank Peters wrote:
> > After reading through the thread on this list about the benefits
> > of mounting PORTAGE_TMPDIR as tmpfs, I decided that I will be doing
> > this mount from now on.  My total RAM is 4G, but since I only "emerge
> > world" about once per week, I can easily set aside temporarily 2G or more
> > for this purpose.
> >
> > However, after doing some more reading, I find that some people recommend
> > mounting tmpfs using the option nr_inodes=1M, while others just accept
> > the default value for nr_inodes.
> >
> > To me, setting maximum inodes to 1M seems a bit high.  Can emerge
> > actually generate that many temporary files?  Would it be safer and also
> > avoid swapping to set nr_inodes=1M or is the default good enough?.
>
> This is my fstab line:
>
> tmpfs   /tmp   tmpfs   nodev,nosuid,size=6g   0 0
>
> I have 4GB RAM. If /tmp filled up too much I'd find the machine swapping,
> but I've never noticed it doing so. I've also watched top while doing some
> large jobs, and it's never shown more than a little swap space used and
> I've never caught it doing any swap transfers.
>

this might happen especcially when you skip many packages that fail because
of portage not removing the source and this being moved into the swap.

-- 
dott. ing. beso