Welcome to Grub!... for a minute

Welcome to Grub!... for a minute

[Yasuaki Kudo]

Hi,

I just wanted to report (although this is probably already known) that I had to wait for a long time (probably more than a minute) staring at "Welcome to Grub!" screen upon reboot, after accumulating thousands of guix system generations.  I was experimenting with something and I suspected that was the cause - sure enough, after deleting them all with guix system delete-generations command, the delay disappeared.

Just reporting 😄

Re: Welcome to Grub!... for a minute

[Ludovic Courtès]

Hi Yasuaki,

Yasuaki Kudo <yasu@yasuaki.com> skribis:

> I just wanted to report (although this is probably already known) that I had to wait for a long time (probably more than a minute) staring at "Welcome to Grub!" screen upon reboot, after accumulating thousands of guix system generations.  I was experimenting with something and I suspected that was the cause - sure enough, after deleting them all with guix system delete-generations command, the delay disappeared.

Oh, good to know.  I never went as far as having thousands (thousands,
really?) of system generations, so I never noticed (I probably have 15
or so at most), and probably that’s the case for most people.

Thanks,
Ludo’.

Re: Welcome to Grub!... for a minute

[Nicolò Balzarotti]

Yasuaki Kudo <yasu@yasuaki.com> writes:

> Hi,
>
> I just wanted to report (although this is probably already known) that I had to wait for a long time (probably more than a minute) staring at "Welcome to Grub!" screen upon reboot, after accumulating thousands of guix system generations.  I was experimenting with something and I suspected that was the cause - sure enough, after deleting them all with guix system delete-generations command, the delay disappeared.
>
> Just reporting 😄

Hi, I have 252 generations on an SSD, and grub is still fast

Nicolò

Re: Welcome to Grub!... for a minute

[Tobias Geerinckx-Rice]

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Hi!

[CC'ing only guix-devel@.]

Yasuaki Kudo 写道：
> I just wanted to report (although this is probably already 
> known) that I had to wait for a long time (probably more than a 
> minute) staring at "Welcome to Grub!" screen upon reboot, after 
> accumulating thousands of guix system generations.  I was 
> experimenting with something and I suspected that was the cause 
> - sure enough, after deleting them all with guix system 
> delete-generations command, the delay disappeared.
>
> Just reporting 😄

And thank you for it!  If this is where Guix ends up when left 
unattended, it should be fixed.

Easy to do by making the ‘old generations’ submenu a separate file 
that's loaded ‘on demand’.  Actually doing so would still take as 
long, so the next logical step is to split it further into chunks. 
How, I guess, depends on how people actually use & browse 
thousands of generations.  Do you?

Kind regards,

T G-R

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Re: Welcome to Grub!... for a minute

[Yasuaki Kudo]

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Hi Everyone,

Thank for responding - I was just experimenting with repeated guix pull and  build commands (because the "proprietary" packages in those separate channels take ages to compile)

In retrospect, this lead me to realize that instead of guix system reconfigure, I could just do guix system build, for my purpose.

So mine is probably an "edge case" but wanted to report anyway 😄

Cheers,
Yasu

> On Nov 27, 2020, at 22:16, Tobias Geerinckx-Rice <me@tobias.gr> wrote:
> 
> Hi!
> 
> [CC'ing only guix-devel@.]
> 
> Yasuaki Kudo 写道：
>> I just wanted to report (although this is probably already known) that I had to wait for a long time (probably more than a minute) staring at "Welcome to Grub!" screen upon reboot, after accumulating thousands of guix system generations.  I was experimenting with something and I suspected that was the cause - sure enough, after deleting them all with guix system delete-generations command, the delay disappeared.
>> 
>> Just reporting 😄
> 
> And thank you for it!  If this is where Guix ends up when left unattended, it should be fixed.
> 
> Easy to do by making the ‘old generations’ submenu a separate file that's loaded ‘on demand’.  Actually doing so would still take as long, so the next logical step is to split it further into chunks. How, I guess, depends on how people actually use & browse thousands of generations.  Do you?
> 
> Kind regards,
> 
> T G-R

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