From: Mark Nelson <mark.nelson@inktank.com>
To: Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>
Cc: Andreas Friedrich <andreas.friedrich@ts.fujitsu.com>,
Ceph Development <ceph-devel@vger.kernel.org>
Subject: Re: Request for ceph.conf environment extension
Date: Mon, 06 May 2013 08:39:15 -0500 [thread overview]
Message-ID: <5187B283.5040104@inktank.com> (raw)
In-Reply-To: <CAJH6TXiCQdL-vdwGVQoEa5nJYg9i9RZYVaGEJCqeiSsfjMcvsA@mail.gmail.com>
On 05/06/2013 08:35 AM, Gandalf Corvotempesta wrote:
> 2013/5/6 Mark Nelson <mark.nelson@inktank.com>:
>> It would be very interesting to hear how SDP does. With IPoIB I've gotten
>> about 2GB/s on QDR with Ceph, which is roughly also what I can get in an
>> ideal round-robin setup with 2 bonded 10GbE links.
>
> Yes, but IB costs 1/4 than 10GbE and will be much expandible in future.
>
QDR shouldn't be that much cheaper. Maybe SDR or DDR. But I agree with
your general sentiment. I think rsockets may be a really good
benefit/cost solution for the short term to get IB support into Ceph.
It sounds like there is some work planned for a kernel implementation
which would be fantastic on the file system side as well.
Mark
next prev parent reply other threads:[~2013-05-06 13:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-06 9:18 Request for ceph.conf environment extension Andreas Friedrich
2013-05-06 12:36 ` Gandalf Corvotempesta
2013-05-06 13:23 ` Mark Nelson
2013-05-06 13:35 ` Gandalf Corvotempesta
2013-05-06 13:39 ` Mark Nelson [this message]
2013-05-06 13:48 ` Jens Kristian Søgaard
2013-05-06 13:49 ` Gandalf Corvotempesta
2013-05-06 13:53 ` Jens Kristian Søgaard
2013-05-06 14:00 ` Gandalf Corvotempesta
2013-05-06 14:03 ` Jens Kristian Søgaard
2013-05-06 14:13 ` Gandalf Corvotempesta
2013-05-06 14:18 ` Jens Kristian Søgaard
2013-05-06 14:59 ` Mark Nelson
2013-05-06 15:16 ` Jens Kristian Søgaard
2013-05-06 15:40 ` Mark Nelson
2013-05-06 16:51 ` Gandalf Corvotempesta
2013-05-06 16:02 ` Request for ceph.conf environment extension / IB performance Kasper Dieter
2013-05-06 12:46 ` Request for ceph.conf environment extension Wido den Hollander
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