GNU bug report logs - #51787
GC takes more than 9 hours on berlin

Previous Next

Package: guix;

Reported by: Mathieu Othacehe <othacehe <at> gnu.org>

Date: Fri, 12 Nov 2021 11:50:02 UTC

Severity: important

Done: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>

Bug is archived. No further changes may be made.

Full log

View this message in rfc822 format

From: Leo Famulari <leo <at> famulari.name>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: Mathieu Othacehe <othacehe <at> gnu.org>, 51787 <at> debbugs.gnu.org
Subject: bug#51787: Disk performance on ci.guix.gnu.org
Date: Tue, 21 Dec 2021 12:51:35 -0500

On Tue, Dec 21, 2021 at 06:26:03PM +0100, Ricardo Wurmus wrote:
> We could take this opportunity to reformat /gnu with btrfs, which
> performs quite a bit more poorly than ext4 but would be immune to
> defragmentation.  It’s not clear that defragmentation matters here.  It
> could just be that the problem is exclusively caused by having these
> incredibly large, flat /gnu/store, /gnu/store/.links, and
> /gnu/store/trash directories.

My impression was that btrfs could also become fragmented. At least,
btrfs-progrs includes a command for defragmenting. Or do I
misunderstand?
This bug report was last modified 1 year and 276 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.