From: "Swâmi Petaramesh" <swami@petaramesh.org>
To: Martin Steigerwald <Martin@lichtvoll.de>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: BTRFS, getting darn slower everyday
Date: Mon, 08 Oct 2012 08:16:03 +0200 [thread overview]
Message-ID: <50726FA3.7050608@petaramesh.org> (raw)
In-Reply-To: <201210071648.54027.Martin@lichtvoll.de>
Hi Martin,
Le 07/10/2012 16:48, Martin Steigerwald a écrit :
> Where is this volume pool located on? On which drive(s)?
All the concerned machines are laptops with a single physical HD...
> This could be 100 or more subvolumes / snapshots.
>
> Maybe slowness could be related to this one.
That's a good estimation... I'm not sure if there is any theoretical
reason why the number of snapshots of a given volume might slow down
access to this volume ?
> It would be good to have some capture of this slowness with
>
> vmstat 10
>
> iostat -xd 10 /your/device
I will try to give you some figures. But when the machine starts really
crawling, it becomes very hard to start any new program unless it's
"finished being slow", so that's not so easy...
> Also how much RAM has the machine? What does free -m / cat /proc/meminfo
> tell.
The 4 concerned machines have either 4GB or 2GB RAM. None is heavily
loaded as far as RAM is concerned (just booting into a standard Ubuntu
GUI and then accessing emailn, browser, office applications etc.)
Kind regards.
--
Swâmi Petaramesh <swami@petaramesh.org> http://petaramesh.org PGP 9076E32E
Ne cherchez pas : Je ne suis pas sur Facebook.
next prev parent reply other threads:[~2012-10-08 6:16 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 [this message]
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
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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