Hi guys, Can anyone shed some light on the threading models/setup used by Mesos and/or libprocess? I've got a problem with mixing/competing thread pools! I introduced some OpenMP code and of course now I get N**2 threads started each time a different libprocess thread executes my OMP code by way of a mesos scheduler framework callback. Well, that's what I'm guessing!
Anyway, I've come across LIBPROCESS_NUM_WORKER_THREADS and I can set that to get a known #threads as workers - but my question is (this is now curiosity more than anything) what are the remainder used for? Eg. If I have a 4 core machine and indeed the above env var is set to 4 it appears (without OMP) that libmesos or libprocess still spawn an additional 12 threads. So what are those 12 threads used for? Oh - this is the (ancient) 0.28.3-2.0.1 release for Ubuntu 14.04 LTS, in case that matters. Cheers, Jim -- Senior Production Engineer Industrial Light & Magic (ILM)
