Anyone on this one ?

On 03/31/2013 04:37 PM, Matthieu Patou wrote:
Hi,

I was doing some testing with iozone and found that performance of an exported rdb volume where 1/3 of the performance of the hard drives.
I was expecting to have a performance penalty but not so important.
I suspect something is not correct in the configuration but I can't what exactly.

My test setup consists of 2 OSD with one drive each they have 2 network (public/private). On osd0 and osd1 I'm using a BCM5751 gigabit card for the public network and a intel 82541PI for the private.
On the client I'm using a RTL8111/8168B for the public network.

Osd0 & Osd1 are connect directly with a cable for the private network and they are connected through one switch for the public network.

Where could the bottleneck be located ?

Matthieu.


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