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From: Russell Coker <russell@coker.com.au>
To: kreijack@inwind.it
Cc: systemd Mailing List <systemd-devel@lists.freedesktop.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Slow startup of systemd-journal on BTRFS
Date: Thu, 12 Jun 2014 11:18:37 +1000	[thread overview]
Message-ID: <1751055.d79eDl77JG@xev> (raw)
In-Reply-To: <5398CA16.3030609@libero.it>

On Wed, 11 Jun 2014 23:28:54 Goffredo Baroncelli wrote:
>         https://bugzilla.redhat.com/show_bug.cgi?id=1006386
> 
> suggested me that the problem could be due to a bad interaction between
> systemd and btrfs. NetworkManager was innocent.  It seems that
> systemd-journal create a very hight fragmented files when it stores its
> log. And BTRFS it is know to behave slowly when a file is highly
> fragmented. This had caused a slow startup of systemd-journal, which in
> turn had blocked the services which depend by the loggin system.

On my BTRFS/systemd systems I edit /etc/systemd/journald.conf and put 
"SystemMaxUse=50M".  That doesn't solve the fragmentation problem but reduces 
it enough that it doesn't bother me.

-- 
My Main Blog         http://etbe.coker.com.au/
My Documents Blog    http://doc.coker.com.au/


  parent reply	other threads:[~2014-06-12  1:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-11 21:28 Slow startup of systemd-journal on BTRFS Goffredo Baroncelli
2014-06-12  0:40 ` Chris Murphy
2014-06-12  1:18 ` Russell Coker [this message]
2014-06-12  4:39   ` Duncan
2014-06-12  1:21 ` Dave Chinner
2014-06-12  1:37   ` Dave Chinner
2014-06-12  2:32     ` Chris Murphy
2014-06-15 22:34       ` [systemd-devel] " Lennart Poettering
2014-06-16  4:01         ` Chris Murphy
2014-06-16  4:38           ` cwillu
  -- strict thread matches above, loose matches on Subject: below --
2014-06-12 11:13 R: " Goffredo Baroncelli <kreijack@libero.it>
2014-06-12 12:37 ` Duncan
2014-06-12 23:24   ` Dave Chinner
2014-06-13 22:19     ` Goffredo Baroncelli
2014-06-14  2:53       ` Duncan
2014-06-14  7:52         ` Goffredo Baroncelli
2014-06-15  5:43           ` Duncan
2014-06-14 10:59         ` Kai Krakow
2014-06-15  5:02           ` Duncan
2014-06-15 11:18             ` Kai Krakow
2014-06-15 21:45           ` Martin Steigerwald
2014-06-15 21:51             ` Hugo Mills
2014-06-15 21:31         ` Martin Steigerwald
2014-06-15 21:37           ` Hugo Mills
2014-06-17  8:22           ` Duncan

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