Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Richard Freeman
Duncan wrote: Personally, I'd just go with the default nr_inodes. People with 2 gig or less of real RAM may need to worry about it, especially if they do a lot of parallel makes (tho with 2 gig I'd crimp on parallel makes way more than I do, too, so may not have to, but as I've said before,

Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Frank Peters
On Wed, 08 Jul 2009 08:55:43 -0400 Richard Freeman r...@thefreemanclan.net wrote: I occassionally get swaps, but that is no big deal. In the worst case swapping is no worse than not using tmpfs at all, and in the typical or best cases it is far better. It really is a no-lose scenario.

Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Paul Hartman
On Wed, Jul 8, 2009 at 8:51 AM, Frank Petersfrank.pet...@comcast.net wrote: However, I am not clear on how tmpfs will fail. If the tmpfs mount becomes filled or exceeds the file limit, since it is essentially just another disk partition shouldn't it produce a No more space left on device

[gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Duncan
Frank Peters frank.pet...@comcast.net posted 20090708095104.39a8a53e.frank.pet...@comcast.net, excerpted below, on Wed, 08 Jul 2009 09:51:04 -0400: However, I am not clear on how tmpfs will fail. If the tmpfs mount becomes filled or exceeds the file limit, since it is essentially just

Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Peter Humphrey
On Wednesday 08 July 2009 14:51:04 Frank Peters wrote: If the tmpfs mount becomes filled or exceeds the file limit, since it is essentially just another disk partition shouldn't it produce a No more space left on device error? No, it isn't a disk partition. It's a file system in RAM, with no

[gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Duncan
Paul Hartman paul.hartman+gen...@gmail.com posted 58965d8a0907080737s2c4a71dah3c9b54e55f02d...@mail.gmail.com, excerpted below, on Wed, 08 Jul 2009 09:37:01 -0500: In other words if you have a 2 gig tmpfs it's not going to eat up 2gb of your RAM unless you have actually put 2gb of files onto

Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Arttu V.
On 7/8/09, Frank Peters frank.pet...@comcast.net wrote: However, I am not clear on how tmpfs will fail. If the tmpfs mount becomes filled or exceeds the file limit, since it is essentially just another disk partition shouldn't it produce a No more space left on device error? Yes it does. Or

Re: [gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Richard Freeman
Peter Humphrey wrote: On Wednesday 08 July 2009 14:51:04 Frank Peters wrote: Or is the system designed to extend the tmpfs through swapping? Sort of. If the tmpfs becomes full, part of it that isn't needed at the moment is swapped to disk, exactly as if it had been program space. This is

[gentoo-amd64] Re: Emerge and Tmpfs

2009-07-08 Thread Duncan
Arttu V. arttu...@gmail.com posted fecdbac60907080910p1ac75f11pa686a0bb36dad...@mail.gmail.com, excerpted below, on Wed, 08 Jul 2009 19:10:12 +0300: Or at least that's what it did to me last week when I was experimenting something utterly stupid with kernel memory settings on a box with 2GB

[gentoo-amd64] Re: Emerge and Tmpfs

2009-07-07 Thread Duncan
Frank Peters frank.pet...@comcast.net posted 20090707103623.17cd03be.frank.pet...@comcast.net, excerpted below, on Tue, 07 Jul 2009 10:36:23 -0400: 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