From: Martin Steigerwald <Martin@lichtvoll.de>
To: linux-btrfs@vger.kernel.org
Cc: "Swâmi Petaramesh" <swami@petaramesh.org>
Subject: Re: BTRFS, getting darn slower everyday
Date: Sun, 7 Oct 2012 15:00:42 +0200 [thread overview]
Message-ID: <201210071500.43204.Martin@lichtvoll.de> (raw)
In-Reply-To: <50714AC8.4010100@petaramesh.org>
Am Sonntag, 7. Oktober 2012 schrieb Swâmi Petaramesh:
> Hi,
>
> I have 4 machines, all converted to BTRFS about 6 months ago, now all
> running Ubuntu Quantal with kernel 3.5.0-17
>
> The matter is that all these machines are now getting slower and slower
> everyday, every disk access causing the disk to be 100% busy for long
> periods, to the point that I'm now seriously considering migrating
> everything back to ext4...
>
> From the start BTRFS was "not very fast", still satisfactory, but now
> it becomes truly unusable.
>
> On one machine, I know have a typical complete boot time to a usable
> GUI that is over 4 minutes, with the HD still very busy for a couple
> more minutes afterwards, where it used to be around 35-40 seconds in
> ext4 !
>
> Is there anything I could do to speed things back (without losing all
> my snapshots or doubling the size of data on disk)...?
I forgot to mention mount options? Which one do you use?
Please always include all details that may be important.
space_cache, inode_cache?
Thanks,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
next prev parent reply other threads:[~2012-10-07 13:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-07 9:26 BTRFS, getting darn slower everyday Swâmi Petaramesh
2012-10-07 10:59 ` Martin Steigerwald
2012-10-07 14:05 ` Swâmi Petaramesh
2012-10-07 14:48 ` Martin Steigerwald
2012-10-08 6:16 ` Swâmi Petaramesh
2012-12-09 5:17 ` Jan Engelhardt
2012-12-09 10:13 ` Martin Steigerwald
2012-12-09 10:41 ` Roman Mamedov
2012-12-09 11:20 ` Swâmi Petaramesh
2012-12-09 11:38 ` Hugo Mills
2012-12-09 22:51 ` Bob Marley
2012-12-09 14:38 ` Jan Engelhardt
2012-10-07 11:02 ` Martin Steigerwald
2012-10-07 12:33 ` Alex
2012-10-07 13:19 ` Swâmi Petaramesh
2012-10-07 14:44 ` Martin Steigerwald
2012-10-07 22:47 ` Goffredo Baroncelli
2012-10-08 6:08 ` Swâmi Petaramesh
2012-10-08 11:38 ` Goffredo Baroncelli
2012-10-08 13:36 ` Swâmi Petaramesh
2012-10-08 15:50 ` Swâmi Petaramesh
2012-10-08 16:46 ` Goffredo Baroncelli
2012-10-08 6:22 ` Swâmi Petaramesh
2012-11-14 16:17 ` Peter Maloney
2012-10-07 13:00 ` Martin Steigerwald [this message]
2012-10-07 13:14 ` Swâmi Petaramesh
2012-10-07 14:41 ` Martin Steigerwald
2012-10-08 16:09 ` Josef Bacik
2012-10-08 16:15 ` Swâmi Petaramesh
2012-10-08 16:31 ` Josef Bacik
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