[Web10g-user] Maximum polling frequency with web10g

rapier rapier at psc.edu
Tue Mar 11 12:25:25 EDT 2014

I'd like to apologize for the delay on this. Since you aren't subscribed 
to the list this ended up being held by our mailing list software. I've 
been swamped with grant writing work and getting web10g finalized.

Could you tell me a bit more about the parameters of your experiment? 
How long is the tcp flow running? At what point do you run out of 
memory? Are there any error messages that you are seeing on crash? Which 
version of the kernel patch set and userland are you using?

Let me know and we'll look into this. If you have specific code that you 
are using to run this experiment it would you mind sending it to me so I 
can try to recreate the problems?

Chris Rapier

On 2/24/14, 6:10 AM, Hadrien Hours wrote:
> Hi,
> I am not sure whether this is the correct mailing list to ask this
> question or not but that's the best I have found.
> I am currently using the latest version of web10g on Ubuntu 13.04
> I am trying to track the evolution of TCP state by polling tcp stack
> parameters every 100 ms. By doing so I have the machine crashing (memory
> shortage while my conf on the machine has 4GB)
> Reducing to 1s the machine ends up crashing also but after a longer
> running time (up to several hours so far).
> Does someone already experiment the same problem ? And had found a
> solution ?
> Thank you very much !
> Hadrien
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