From: "Ludovic Courtès" <ludo@gnu.org>
To: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: guix-devel@gnu.org
Subject: Re: Image generation
Date: Tue, 28 Apr 2020 23:15:55 +0200 [thread overview]
Message-ID: <87mu6vs450.fsf@gnu.org> (raw)
In-Reply-To: <87eesdz0v3.fsf@gmail.com> (Mathieu Othacehe's message of "Fri, 24 Apr 2020 11:31:12 +0200")
Mathieu Othacehe <m.othacehe@gmail.com> skribis:
>> Wow! Why did it take 2h30? Do you have KVM?
>
> Yes, I'm not sure why it's so long. It seems that
> "estimated-partition-size" takes a large proportion of this time,
> because if I run the same command with a fixed disk-image size it goes
> faster.
Ooooh, I had never realized, but you may be right: ‘closure-size’ stats
every single file of the closure, and those files are accessed over 9P.
That said, I tried this:
--8<---------------cut here---------------start------------->8---
$ guix system build gnu/system/examples/bare-bones.tmpl --no-offload
[...]
$ time guix system disk-image gnu/system/examples/bare-bones.tmpl --no-offload
guix system: warning: Your Guix installation is 15 days old.
guix system: warning: Consider running 'guix pull' followed by
'guix system reconfigure' to get up-to-date packages and security updates.
La jenaj derivoj estos konstruataj:
/gnu/store/ydvfhx9v65l4cjrbdgr6xxdh44091fwf-disk-image.drv
/gnu/store/8kz750zdbxl86n4w2gfcm0xm6gcqzbnb-linux-vm-loader.drv
/gnu/store/0jmcc2f6r3q72mlbi9ahmx2bjghn2rha-builder-in-linux-vm.drv
/gnu/store/9df7312w32sbs9nv55x8arh2c65apjmx-grub.cfg.drv
/gnu/store/72mmpjd65ysyxdb8c7x9bflb7g9jq93i-raw-initrd.drv
/gnu/store/m4xri89s0m0xkdkbma1z0a9ikaz3117v-system.drv
/gnu/store/53gm95vhr2p5r6g3bb7c7zynchwn2k3x-boot.drv
/gnu/store/ylmkdd43vinyz6li8kx62cphz74kcark-parameters.drv
building /gnu/store/53gm95vhr2p5r6g3bb7c7zynchwn2k3x-boot.drv...
building /gnu/store/72mmpjd65ysyxdb8c7x9bflb7g9jq93i-raw-initrd.drv...
building /gnu/store/ylmkdd43vinyz6li8kx62cphz74kcark-parameters.drv...
building /gnu/store/m4xri89s0m0xkdkbma1z0a9ikaz3117v-system.drv...
building /gnu/store/9df7312w32sbs9nv55x8arh2c65apjmx-grub.cfg.drv...
building /gnu/store/0jmcc2f6r3q72mlbi9ahmx2bjghn2rha-builder-in-linux-vm.drv...
building /gnu/store/8kz750zdbxl86n4w2gfcm0xm6gcqzbnb-linux-vm-loader.drv...
building /gnu/store/ydvfhx9v65l4cjrbdgr6xxdh44091fwf-disk-image.drv...
/gnu/store/7v599g2zwkzb6lv8s6gjm66lqw0gcb53-disk-image
real 4m11.079s
user 0m5.145s
sys 0m0.418s
$ guix describe
Generacio 139 Apr 13 2020 21:50:08 (nuna)
guix bad368b
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: bad368b0d794689f3a8a11b58f1ea4987938682e
--8<---------------cut here---------------end--------------->8---
So it’s much less than 2h30. Could it be that you timing building of
additional derivations? Even with a cold cache, it shouldn’t make that
big a difference no?
Thanks,
Ludo’.
next prev parent reply other threads:[~2020-04-28 21:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-21 18:59 Image generation Mathieu Othacehe
2020-04-21 19:16 ` Leo Famulari
2020-04-24 9:31 ` Mathieu Othacehe
2020-04-28 21:15 ` Ludovic Courtès [this message]
2020-04-24 9:27 ` Mathieu Othacehe
2020-04-28 21:01 ` Ludovic Courtès
2020-04-28 21:10 ` Ludovic Courtès
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