From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#19832: Deleting unused links is too slow
Date: Tue, 10 Feb 2015 23:24:51 +0100
Message-ID: <87fvadxv4c.fsf@gnu.org>
References: <20150210192521.GA431@debian>
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To: Andreas Enge <andreas@enge.fr>
Cc: 19832@debbugs.gnu.org

Andreas Enge <andreas@enge.fr> skribis:

> I just compiled a test package and tried a
> "guix gc -d /path/to/package/in/store"
>
> After printing
>  deleting `/gnu/store/642pwarg5hppzh1gwadd07w0g4w3rwpx-nss-certs-3.17.3'
>  deleting `/gnu/store/trash'
>  deleting unused links...
> which is instantaneous, I need to wait for 5 minutes with the disk spinni=
ng.

Literally 5 minutes?  It would be more like 30s on my SSD.

> I suppose this is a side-effect of deduplication?

That, and the fact that you have a disk that actually spins.  ;-)

If you haven=E2=80=99t GC=E2=80=99d in a long time, it=E2=80=99s also likel=
y to take longer.

Ludo=E2=80=99.