[Gluster-users] Infiniband performance issues answered?
driver at megahappy.net
Tue Dec 18 04:48:13 UTC 2012
does anyone have 3.4.0qa5 rpm's available? I'd like to give them a whirl.
On Mon, Dec 17, 2012 at 5:17 PM, Sabuj Pattanayek <sabujp at gmail.com> wrote:
> and yes on some Dells you'll get strange network and RAID controller
> performance characteristics if you turn on the BIOS power management.
> On Mon, Dec 17, 2012 at 7:15 PM, Sabuj Pattanayek <sabujp at gmail.com>
> > I have R610's with a similar setup but with HT turned on and I'm
> > getting 3.5GB/s for one way RDMA tests between two QDR connected
> > clients using mellanox connectx x4 PCI-E cards in x8 slots. 1GB/s with
> > IPoIB connections (seem to be limited to 10gbe). Note, I had problems
> > with the 1.x branch of OFED and am using the latest 3.x RC .
> > On Mon, Dec 17, 2012 at 6:44 PM, Joe Julian <joe at julianfamily.org>
> >> In IRC today, someone who was hitting that same IB performance ceiling
> >> occasionally gets reported had this to say
> >> [11:50] <nissim> first, I ran fedora which is not supported by Mellanox
> >> distro
> >> [11:50] <nissim> so I moved to CentOS 6.3
> >> [11:51] <nissim> next I removed all distibution related infiniband rpms
> >> build the latest OFED package
> >> [11:52] <nissim> disabled ServerSpeed service
> >> [11:52] <nissim> disabled BIOS hyperthreading
> >> [11:52] <nissim> disabled BIOS power mgmt
> >> [11:53] <nissim> ran ib_write_test and goot 5000MB/s
> >> [11:53] <nissim> got 5000MB/s on localhost
> >> fwiw, if someone's encountering that issue, between this and the changes
> >> since 3.4.0qa5 it might be worth knowing about.
> >> http://irclog.perlgeek.de/gluster/2012-12-17#i_6251387
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