On Mon, 27 May 2013 18:21:21 +0200
Szőts Ákos <szotsaki@xxxxxxxxx> wrote:
> Dear list,
>
> I have two openSUSE 12.3 systems with kernel 3.9. On one of them there's an
> ext4 partition, while on the other there's a btrfs.
>
> I issued a "time journalctl -b --no-pager" command on both systems. This shows
> the logs from the current boot without passing them to "less".
>
> On ext4 (3.9.3):
> real 0m1.898s
> user 0m0.291s
> sys 0m0.105s
>
> On btrfs (3.9.2):
> real 1m49.698s
> user 0m0.102s
> sys 0m0.470s
>
> Journalctl on btrfs was always this slow, some btrfsck were made on the file
> system too, but I don't think it was corrupted. On just the first run it's
> sluggish, after it's fast as the ext4 one.
>
> Is it a known issue or can I help somehow debugging this further?
Let's look at your
/usr/sbin/filefrag /var/log/journal/*/*
on both systems
--
Sergei
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