bug#44053: Poor profile generation performance on spinning disks

[Luis Felipe]

Hi,

On Saturday, August 26th, 2023 at 22:11, jbranso@dismail.de 
<jbranso@dismail.de> wrote:

> 

> Shall we go ahead and close this bug report?

I'm okay with that.


> I do not recall a recent time that someone complained about Guix System's 
> slow profile generation on hard drives. I currently use guix system on an 
> SSD...but I could install Guix on a Dell Optiplex 7010 on a hard drive to 
> test if you all would like.

I still use the same computer with the same hard drive, and performance has 
improved when installing packages. Running

  $ time guix package -i perl --max-jobs=1

initially took

  (87 packages in profile)
  real    8m3,043s
  user    0m2,656s
  sys    0m0,239s

But now (guix 17fadbb), it takes

  (96 packages in profile)
  real  3m51,058s
  user  0m7,490s
  sys   0m0,788s

Whether that's acceptable or not when using spinning disks, I don't know. I'll 
step aside :)

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