For reference, in the end it turned out to be caused by that "localhost"
could not be resolved. Thanks to Dominik for the report and debugging of
the problem. To be robust against such problems in the future, R now
falls back to the loopback device for localhost.
Best
Tomas
On 7/12/19 11:22 A
Hi Thomas,
thanks for your reply (and thanks for your patience...).
I am now using the following minimal reprex:
> library(parallel)
> cl <- makeCluster(2L)
I freshly started the machine and did not open any other app. Just R.app
(3.6.1).
After executing the second line of code, R seems to ha
Hi Dominik,
from the output, the master process could not "listen" on the port where
it expects a connection from the worker. We need to find out why. I'd
recommend first to create a minimal reproducible example (and one that
does not use future, only parallel, and a minimal number of threads,