[IPython-User] ipcluster: Too many open files (tcp_listener.cpp:213)

MinRK benjaminrk@gmail....
Tue Jun 19 02:39:40 CDT 2012


On Tue, Jun 19, 2012 at 12:33 AM, Jon Olav Vik <jonovik@gmail.com> wrote:

> [IPControllerApp] client::client '...' requested u'registration_request'
> [IPClusterStart] Too many open files (tcp_listener.cpp:213)
> [IPClusterStart] Process '.../python' stopped: {'pid': 21820, 'exit_code':
> -6}
> [IPClusterStart] IPython cluster: stopping
>
> Feature request: Rather than have "too many open files" bring the entire
> ipcluster down, could we have a configurable limit on the number of
> connections
> that the controller will accept? It is more important for me that my jobs
> run
> unattended than them going at 400x rather than 250x speedup.
>

This happens at the zeromq level - IPython has no way of controlling this.


>
> In other news, I checked at the clusters where I've had no problems. They
> have
> ulimit -n of 16384 and 4096, giving theoretical maximum speedups of 4096
> and
> 1024, respectively.
>
> Jon Olav
>
>
> _______________________________________________
> IPython-User mailing list
> IPython-User@scipy.org
> http://mail.scipy.org/mailman/listinfo/ipython-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.scipy.org/pipermail/ipython-user/attachments/20120619/d9c4c2a9/attachment-0001.html 


More information about the IPython-User mailing list