Re: "The Kernel is the Problem, Not the Solution"

[Stephen Dolan <stephen.dolan@xxxxxxxxxxxx>]

You've probably seen this before, but it's really easy to multihome
interfaces on linux:

     for i in $(seq 1 254); do ifconfig eth0:$i 192.168.42.$i; done

gives you 2^24 distinct (ip, port) pairs on one box.

Stephen

On Mon, May 13, 2013 at 10:50 PM, Anil Madhavapeddy <anil@xxxxxxxxxx> wrote:
> On 13 May 2013, at 22:36, Dave Scott <Dave.Scott@xxxxxxxxxxxxx> wrote:
>
>>
>> http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html
>>
>> Some quite interesting stuff in there.
>
> I definitely want to try out our existing TCP stack with a few million 
> connections and see how we fare.  Perhaps we should give this a shot at the 
> Xen hackathon on Thursday?  The hard bit is finding enough interfaces on the 
> Linux test clients so they don't run out of ports :-P
>
> -anil