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From: Danny Al-Gaaf <danny.al-gaaf-2YacvwyR+KOzQB+pC5nmwQ@public.gmane.org>
To: Sushma R <gsushma-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Haomai Wang <haomaiwang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "ceph-users-idqoXFIVOFJgJs9I8MT0rw@public.gmane.org"
	<ceph-users-idqoXFIVOFJgJs9I8MT0rw@public.gmane.org>,
	"ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [Annonce]The progress of KeyValueStore in Firely
Date: Tue, 03 Jun 2014 21:34:57 +0200	[thread overview]
Message-ID: <538E2361.2040400@bisect.de> (raw)
In-Reply-To: <CAOj3taONVV8rMAgu8Cen=eCZ2ycYjSs8u3nfKiJUptdb7ffyEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Am 03.06.2014 20:55, schrieb Sushma R:
> Haomai,
> 
> I'm using the latest ceph master branch.
> 
> ceph_smalliobench is a Ceph internal benchmarking tool similar to rados
> bench and the performance is more or less similar to that reported by fio.
> 
> I tried to use fio with rbd ioengine (
> http://telekomcloud.github.io/ceph/2014/02/26/ceph-performance-analysis_fio_rbd.html)
> and below are the numbers with different workloads on our setup.
> Note : fio rbd engine segfaults with randread IO pattern, only with LevelDB
> (no issues with FileStore). With FileStore, performance of
> ceph_smalliobench and fio-rbd is similar for READs, so the numbers for
> randread for LevelDB are with ceph_smalliobench (since fio rbd segfaults).

Could you send me a backtrace of the segfault and some info about the
ceph and fio version you used so that I can take a look at it?

Thanks,

Danny

  parent reply	other threads:[~2014-06-03 19:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28  2:45 [Annonce]The progress of KeyValueStore in Firely Haomai Wang
     [not found] ` <CACJqLybuA48Jnz6Qwc7cs2kHJO30C4GwazXi8yGp8ZhvfFc2ZQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-28  6:59   ` Alexandre DERUMIER
2014-03-01  0:04   ` Danny Al-Gaaf
     [not found]     ` <531123F6.5070007-2YacvwyR+KOzQB+pC5nmwQ@public.gmane.org>
2014-03-01  7:00       ` Haomai Wang
     [not found]         ` <CACJqLybtitrDOcTcRXBZYJy552JzeYZWp_d=yWGUofxT7E46+A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-03  5:36           ` Sushma R
     [not found]             ` <CAOj3taPYaJfdipyiqFavw1AT24ZumrCVWm4FrUnEc1Ki7cah9Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-03  7:06               ` Haomai Wang
     [not found]                 ` <CACJqLyY=BBKKdwOsEoDbo8OfD+o2B2XoSEtmnQ8=nNCm4EaADQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-03 18:55                   ` Sushma R
     [not found]                     ` <CAOj3taONVV8rMAgu8Cen=eCZ2ycYjSs8u3nfKiJUptdb7ffyEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-03 19:34                       ` Danny Al-Gaaf [this message]
     [not found]                         ` <538E2361.2040400-2YacvwyR+KOzQB+pC5nmwQ@public.gmane.org>
2014-06-03 19:38                           ` Sushma R
     [not found]                             ` <CAOj3taNQeKyicMvmaMU-EcE_abzoZ1fSERDNqONy99jvJLCg-A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-04  5:02                               ` Haomai Wang

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