Re: Typical 10GbE latency

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rtt min/avg/max/mdev = 0.130/0.157/0.190/0.016 ms

IPoIB Mellanox ConnectX-3 MT27500 FDR adapter and Mellanox IS5022 QDR switch MTU set to 65520. CentOS 7.0.1406 running 3.17.2-1.el7.elrepo.x86_64 on Intel(R) Atom(TM) CPU  C2750 with 32 GB of RAM.

On Thu, Nov 6, 2014 at 9:46 AM, Udo Lembke <ulembke@xxxxxxxxxxxx> wrote:
Hi,
no special optimizations on the host.
In this case the pings are from an proxmox-ve host to ceph-osds (ubuntu + debian).

The pings from one osd to the others are comparable.

Udo


On 06.11.2014 15:00, Irek Fasikhov wrote:
Hi,Udo.
Good value :)

Whether an additional optimization on the host?
Thanks.

Thu Nov 06 2014 at 16:57:36, Udo Lembke <ulembke@xxxxxxxxxxxx>:
Hi,
from one host to five OSD-hosts.

NIC Intel 82599EB; jumbo-frames; single Switch IBM G8124 (blade network).

rtt min/avg/max/mdev = 0.075/0.114/0.231/0.037 ms
rtt min/avg/max/mdev = 0.088/0.164/0.739/0.072 ms
rtt min/avg/max/mdev = 0.081/0.141/0.229/0.030 ms
rtt min/avg/max/mdev = 0.083/0.115/0.183/0.030 ms
rtt min/avg/max/mdev = 0.087/0.144/0.190/0.028 ms


Udo



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