I'm curious to know if we have looked into using uvloop with Distributed recently (particularly on the Scheduler). There are some older threads that mention this, but some of them are 2-3 years old. Here's one on the worker ( #2156 ), communication ( #2162 ) ( #3145 ), and some others can be found as well (usually thinking about communication). What I'm more interested in knowing than the communication bit, is if having enough of the async bits Cythonized ends up helping overall Scheduler runtime?