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From: Leo Famulari <leo@famulari.name>
To: Ricardo Wurmus <rekado@elephly.net>
Cc: Mathieu Othacehe <othacehe@gnu.org>, 51787@debbugs.gnu.org
Subject: bug#51787: Disk performance on ci.guix.gnu.org
Date: Tue, 21 Dec 2021 12:51:35 -0500	[thread overview]
Message-ID: <YcIUJz37YySG/DtC@jasmine.lan> (raw)
In-Reply-To: <87v8zhn9m1.fsf@elephly.net>

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?




  reply	other threads:[~2021-12-21 17:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <875yrjpi1y.fsf@elephly.net>
2021-12-20 16:59 ` bug#51787: Disk performance on ci.guix.gnu.org Mathieu Othacehe
2021-12-20 17:05   ` Ricardo Wurmus
2021-12-20 21:53     ` Mathieu Othacehe
2021-12-21 17:26       ` Ricardo Wurmus
2021-12-21 17:51         ` Leo Famulari [this message]
2021-12-21 18:23         ` Mathieu Othacehe
2021-12-21 23:20         ` Bengt Richter
2021-12-22  0:27         ` Thiago Jung Bauermann via Bug reports for GNU Guix
2021-12-25 22:19         ` Ricardo Wurmus
2021-12-26  8:53           ` Mathieu Othacehe
2021-12-30 10:44             ` Ricardo Wurmus
2021-12-20 18:36   ` Bengt Richter

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