Gentoo Archives: gentoo-user

From: Paul Hartman <paul.hartman+gentoo@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Simultaneously emerging multiple packages with same dependencies
Date: Thu, 27 Jan 2011 21:39:40
Message-Id: AANLkTi=mPVakrczTo_SzLrHesmeG9FUJzOtp8T1ABpEu@mail.gmail.com
In Reply to: [gentoo-user] Re: Simultaneously emerging multiple packages with same dependencies by Nikos Chantziaras
1 On Thu, Jan 27, 2011 at 2:15 PM, Nikos Chantziaras <realnc@×××××.de> wrote:
2 > On 01/27/2011 09:41 PM, Dale wrote:
3 >>
4 >> YoYo Siska wrote:
5 >>>
6 >>> Yes.
7 >>> It might not be perfect, but mostly it works pretty well.
8 >>> Once make started 10 or so process, which ate all my ram, because I
9 >>> forgot to reenable swap, when I was playing with something before that
10 >>> :)
11 >>>
12 >>> yoyo
13 >>
14 >> I noticed the same thing with mine. It used a LOT of ram. I have 4Gbs
15 >> and it was up to about 3Gbs at one point and using some swap as well.
16 >> I'm hoping to max out to 16Gbs as soon as I can. May upgrade to a 6 core
17 >> CPU too.
18 >>
19 >> I wonder how much faster it would be if the work directory is put on
20 >> tmpfs? With 16Gbs, that should work even for OOo.
21 >>
22 >
23 > Btw, if you're using more instances than the amount of CPUs, the result will
24 > be slow-down.
25 >
26 > With the default kernel scheduler, best if amount of CPUs + 1.  (On a
27 > 4-core, that's -j5).
28
29 Once, when building my kernel, I accidentally forgot to specify the
30 number of makes and ran "make -j all". That was a really bad idea, the
31 system became totally unresponsive for quite a long time, much longer
32 than normal kernel build time, but it did eventually finish!

Replies

Subject Author
Re: [gentoo-user] Re: Simultaneously emerging multiple packages with same dependencies "J. Roeleveld" <joost@××××××××.org>