[Tsung] Generating over 32k clients from a single machine

Vinod Panicker vinod.p at gmail.com
Mon Mar 3 14:09:49 CET 2008


On Mon, Mar 3, 2008 at 2:56 PM, Nicolas Niclausse <nicolas at niclux.org> wrote:
> Vinod Panicker ecrivait le 28.02.2008 12:28:
>
>
>  >> Thanks, will try this out.  The interfaces are configured such just so
>  >>  we can get around the 65k limit per ip for the test.
>  >
>  > This configuration allows tsung to use a single beam.smp process and
>  > utilize all 4 ip addresses, but there's another weird problem
>  > occurring now. Tsung is not reusing the port numbers between the ip
>  > address.  Eg - port number 4444 will be used only once instead of 4
>  > times. Eventually, it runs out of available ports at around 65k.
>  > Verified this using the netstat output.
>
>  tsung has no control on the client port (for tcp).
>
>  Maybe reuseaddr must be set to true, even if the IP is different ?
>
>  If this is the case, this patch should fix your problem:

<snip/>

Applied the patch, but it doesn't make any difference. AFAIK reuseaddr
is for binding to a ip:port that is in a non-ESTABLISHED state. Any
other ideas?

Weird that Jason didn't run into the same problem.

Regards,
Vinod.


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