From: Russell Coker <russell@coker.com.au>
To: Martin <m_btrfs@ml1.co.uk>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Btrfs filesystem freezing during snapshots
Date: Tue, 27 May 2014 02:19:47 +1000 [thread overview]
Message-ID: <1597628.qMVRAlqGPk@xev> (raw)
In-Reply-To: <llvm4o$9uv$1@ger.gmane.org>
On Mon, 26 May 2014 16:20:55 Martin wrote:
> That looks to be running on top of drbd which will add a network write
> overhead (unless you are dangerously running asynchronously!). Hence you
> will see IO speed related limits a little sooner...
http://etbe.coker.com.au/2012/01/05/drbd-benchmarking/
Last time I did DRBD performance testing I found that the synchronous option
was FASTER. My theory is that no-one does much work on the options that
aren't recommended.
--
My Main Blog http://etbe.coker.com.au/
My Documents Blog http://doc.coker.com.au/
next prev parent reply other threads:[~2014-05-26 16:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-26 12:28 Btrfs filesystem freezing during snapshots David Bloquel
2014-05-26 15:20 ` Martin
2014-05-26 16:19 ` Russell Coker [this message]
2014-05-26 15:39 ` Duncan
2014-05-26 16:39 ` Roman Mamedov
2014-05-26 17:02 ` Roman Mamedov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1597628.qMVRAlqGPk@xev \
--to=russell@coker.com.au \
--cc=linux-btrfs@vger.kernel.org \
--cc=m_btrfs@ml1.co.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.