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From: Jim Salter <jim@jrs-s.net>
To: dsterba@suse.cz, linux-btrfs <linux-btrfs@vger.kernel.org>,
	jbacik@fb.com
Subject: Re: btrfs send: page allocation failure
Date: Tue, 14 Jan 2014 09:58:47 -0500	[thread overview]
Message-ID: <52D550A7.5060903@jrs-s.net> (raw)
In-Reply-To: <20140114131305.GV6498@suse.cz>

FWIW, for those following along: took the system down for a reboot last 
night at 9PM EST, then tried the full send after the reboot - took 12 
hours or so to complete, but completed no issues, as have a few 
incremental sends since.

So, yeah, definitely looks related to kernel memory fragmentation AFAICT.

On 01/14/2014 08:13 AM, David Sterba wrote:
> On Mon, Jan 13, 2014 at 02:03:52PM -0500, Jim Salter wrote:
>> OK, thanks. If kernel memory fragmentation is a big factor, that would also
>> explain why it succeeds after a reboot but does not succeed after weeks of
>> uptime...
> Yes, that's it.


      reply	other threads:[~2014-01-14 14:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-13 12:58 btrfs send: page allocation failure Jim Salter
2014-01-13 15:17 ` Wang Shilong
2014-01-13 15:20   ` Jim Salter
2014-01-13 15:29     ` Wang Shilong
2014-01-13 15:44       ` Wang Shilong
2014-01-13 16:00         ` Jim Salter
2014-01-13 16:09           ` Wang Shilong
2014-01-13 16:01         ` Jim Salter
2014-01-13 18:23 ` David Sterba
2014-01-13 18:36   ` Josef Bacik
2014-01-13 18:37   ` Jim Salter
2014-01-13 18:56     ` David Sterba
2014-01-13 19:03       ` Jim Salter
2014-01-14 13:13         ` David Sterba
2014-01-14 14:58           ` Jim Salter [this message]

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