Re: Image generation

[Ludovic Courtès]

Hi!

Mathieu Othacehe <address@hidden> skribis:

> This command:
>
> guix system disk-image --file-system-type=iso9660 
> gnu/system/examples/bare-bones.tmpl
>
> takes,
>
> * Without zisofs compression, on host: 4min
> * With zisofs compression, on host: 8min
> * With zisofs, on VM: 19min (master)

Nice!

> This makes me think that we may want to make iso compression optional,
> so that tests can use uncompressed iso that takes more space but are
> faster to produce.
>
> It seems that there are also some alternatives to xorriso such as
> genisoimage (used by genimage).

To me it’s really Xorriso that’s terribly slow, much slower than what
‘guix system disk-image’ does for ext4 on master.

Ludo’.