Gentoo Archives: gentoo-amd64

From: Alex Alexander <alex.alexander@×××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Managing CPU usage when doing emerges
Date: Tue, 19 May 2009 11:58:22
Message-Id: 225000070905190458m57acfa25gb13055c162cd97d7@mail.gmail.com
In Reply to: Re: [gentoo-amd64] Managing CPU usage when doing emerges by Branko Badrljica
1 On Tue, May 19, 2009 at 15:52, Branko Badrljica <brankob@××××××××××.com> wrote:
2 > Alex Alexander wrote:
3 >
4 >> most packages build fine with a 768M tmpfs :)
5 >> if you plan on compiling big stuff like gcc you'll need to make it
6 >> larger or unmount it though.
7 >>
8 >>
9 > With ext4 useable, is it still practicall to fiddle with thmfs for
10 > building ?
11 > Ext4 can be configured so that it defers writing for significant amounts
12 > of time, which means that it should perform closer to tmpfs performance,
13 > without headaches, associated with it.
14 >
15 > Using aggressive settings might increase risk of data loss, but notebook
16 > is by its nature battery backed and so prone to most of the issues...
17
18 you would need a separate partition for /var/tmp/portage with special
19 settings to be safe... even then, if you can afford the ram, tmpfs is
20 probably a better solution.
21
22 disk io is one of the worst bottlenecks in today's systems...
23 no disk io > * =]
24
25 --
26 Alex Alexander || wired
27 Gentoo QT && KDE Herd Tester
28 http://www.linuxized.com

Replies

Subject Author
Re: [gentoo-amd64] Managing CPU usage when doing emerges Branko Badrljica <brankob@××××××××××.com>