From: Mark Nelson <mark.nelson@inktank.com>
To: Tomasz Paszkowski <ss7pro@gmail.com>
Cc: Hannes Reinecke <hare@suse.de>,
Stefan Priebe <s.priebe@profihost.ag>,
"ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: Re: Infiniband 40GB
Date: Mon, 04 Jun 2012 07:40:08 -0500 [thread overview]
Message-ID: <4FCCACA8.5000005@inktank.com> (raw)
In-Reply-To: <CAMvP8PAkDdhhJnT+KBH4p2U+g+qLfp6O=MzPyEct-q4Yzw_LVA@mail.gmail.com>
On 6/4/12 7:34 AM, Tomasz Paszkowski wrote:
> On Mon, Jun 4, 2012 at 2:28 PM, Mark Nelson<mark.nelson@inktank.com> wrote:
>>
>> For syncfs support, upgrade to a distro with glibc 2.13+ (ie precise). I've
>> noticed a significant improvement in our spinning disk performance going
>> from oneiric and kernel 3.3 to precise and kernel 3.4. I think part of this
>> is related to the raid drivers for the cards we have in our test boxes
>> though. I'm actually recording blktrace and seekwatcher results for all of
>> our tests to specifically look at syncs and disk seek behavior...
>>
>
> Correct me if I'am wrong. But AFAIR precise in running 3.2 kernel.
Sorry, I should have been more clear. We were running oneiric with our
own kernel 3.3 build and are now running precise with our own kernel 3.4
build (available on gitbuilder.ceph.com).
Mark
next prev parent reply other threads:[~2012-06-04 12:40 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-03 8:10 Infiniband 40GB Stefan Priebe
2012-06-03 12:56 ` Mark Nelson
2012-06-04 6:22 ` Hannes Reinecke
2012-06-04 7:26 ` Stefan Priebe - Profihost AG
2012-06-04 7:39 ` Hannes Reinecke
2012-06-04 7:53 ` Stefan Priebe - Profihost AG
2012-06-04 8:02 ` Hannes Reinecke
2012-06-04 8:23 ` Stefan Majer
2012-06-04 9:21 ` Yann Dupont
2012-06-04 9:35 ` Alexandre DERUMIER
2012-06-04 9:53 ` Yann Dupont
2012-06-04 9:47 ` Amon Ott
2012-06-04 9:58 ` Yann Dupont
2012-06-04 11:40 ` Alexandre DERUMIER
2012-06-04 12:59 ` Mark Nelson
2012-06-04 13:07 ` Alexandre DERUMIER
2012-06-04 13:28 ` Mark Nelson
2012-06-04 15:11 ` Gregory Farnum
2012-06-04 15:34 ` Mark Nelson
2012-06-06 16:05 ` Alexandre DERUMIER
2012-06-06 16:43 ` Mark Nelson
2012-06-04 15:42 ` Stefan Priebe
2012-06-05 7:08 ` Amon Ott
2012-06-05 7:46 ` Stefan Priebe - Profihost AG
2012-06-06 10:48 ` Stefan Priebe - Profihost AG
2012-06-06 10:57 ` Amon Ott
2012-06-06 11:02 ` Stefan Priebe - Profihost AG
2012-06-07 11:33 ` Amon Ott
2012-06-07 12:44 ` Stefan Priebe - Profihost AG
2012-06-05 8:54 ` Stefan Priebe - Profihost AG
2012-06-04 12:28 ` Mark Nelson
2012-06-04 12:34 ` Tomasz Paszkowski
2012-06-04 12:40 ` Mark Nelson [this message]
[not found] <a81f3855-1c7d-447b-9bbf-6a891e372909@mailpro>
2012-06-07 3:31 ` Alexandre DERUMIER
2012-06-07 11:25 ` Alexandre DERUMIER
2012-06-07 17:15 ` Mark Nelson
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