From: Russell Coker <russell@coker.com.au>
To: Marc MERLIN <marc@merlins.org>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Is btrfs related to OOM death problems on my 8GB server with both 3.15.1 and 3.14?
Date: Fri, 04 Jul 2014 14:33:06 +1000 [thread overview]
Message-ID: <1937402.nCIA16QR35@xev> (raw)
In-Reply-To: <20140704011938.GO11539@merlins.org>
On Thu, 3 Jul 2014 18:19:38 Marc MERLIN wrote:
> I upgraded my server from 3.14 to 3.15.1 last week, and since then it's been
> running out of memory and deadlocking (panic= doesn't even work).
> I downgraded back to 3.14, but I already had the problem once since then.
Is there any correlation between such problems and BTRFS operations such as
creating snapshots or running a scrub/balance?
Back in ~3.10 days I had serious problems with BTRFS memory use when removing
multiple snapshots or balancing. But at about 3.13 they all seemed to get
fixed.
I usually didn't have a kernel panic when I had such problems (although I
sometimes had a system lock up solid such that I couldn't even determine what
it's problem was). Usually the Oom handler started killing big processes such
as chromium when it shouldn't have needed to.
Note that I haven't verified that the BTRFS memory use is reasonable in all
such situations. Merely that it doesn't use enough to kill my systems.
--
My Main Blog http://etbe.coker.com.au/
My Documents Blog http://doc.coker.com.au/
next prev parent reply other threads:[~2014-07-04 4:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 1:19 Is btrfs related to OOM death problems on my 8GB server with both 3.15.1 and 3.14? Marc MERLIN
2014-07-04 4:33 ` Russell Coker [this message]
2014-07-04 6:04 ` Marc MERLIN
2014-07-04 6:23 ` Satoru Takeuchi
2014-07-04 14:24 ` Marc MERLIN
2014-07-04 14:45 ` Russell Coker
2014-07-04 15:07 ` Marc MERLIN
2014-07-04 22:13 ` Duncan
2014-07-05 13:47 ` Andrew E. Mileski
2014-07-05 14:43 ` Marc MERLIN
2014-07-05 15:17 ` Andrew E. Mileski
2014-07-06 14:58 ` Marc MERLIN
2014-07-13 14:29 ` btrfs is " Marc MERLIN
2014-07-13 15:37 ` Marc MERLIN
2014-07-13 15:45 ` btrfs quotas " Marc MERLIN
2014-07-14 1:36 ` Qu Wenruo
2014-07-14 2:43 ` Marc MERLIN
2014-07-14 1:24 ` btrfs is " Qu Wenruo
2014-07-16 0:36 ` Jérôme Poulin
2014-07-16 15:55 ` Marc MERLIN
2014-07-17 2:22 ` Marc MERLIN
2014-07-16 0:45 ` Is btrfs " Jérôme Poulin
2014-07-05 14:27 ` Andrew E. Mileski
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