[IPython-User] ZMQ errors

Anton Akhmerov anton.akhmerov@gmail....
Thu Mar 28 09:40:27 CDT 2013

Anton Akhmerov <anton.akhmerov <at> gmail.com> writes:

> Any suggestions of what could this be, and if not how I could look more into 
> this?

As it turned out, the ZMQ errors are unimportant and the real culprit is cpu 
usage of ipcontroller. I have found out that it quickly hits 100% all time once 
the job queue reaches a few thousand (I'm a using 200 core cluster with each job 
taking ~90sec). Is this to be expected? Any suggestions how to mitigate the 

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