Re: Bonding performance question

[Les Mikesell <lesmikesell@xxxxxxxxx>]

On 1/11/2011 10:05 AM, lhecking@xxxxxxxxxxxxxxxxxxxxx wrote:
>
>> I guess you need to look at the bonding src code - looks like it is in
>> drivers/net/bonding/bond_main.c - for CentOS 5 it is:
>
>   C xor is bitwise.
>
>   I did a bit of scripting and found that the algorithm seems much more
>   sensitive to port numbers than IP addresses. Not that iperf gives much
>   control over those, it looks like the client port numbers are picked at
>   random. As a result, I would expect to repeat this test on the same set
>   of clients, say, hundreds of times, and maybe find a small number of
>   cases where all interfaces are utilised.

Hashing 4 values to 4 targets seems like collisions would be likely no 
matter how you do it.  The TX packet/byte values from ifconfig on the 
NICs should show how much went out each interface.

-- 
   Les Mikesell
    lesmikesell@xxxxxxxxx
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