This problem has been happening on our side since many months as well. Both with Spark1 and Spark2. Both while running jobs in the shell as well as in Python notebooks. And it is very easy to reproduce. Just open a notebook and let it run for a couple of hours. Or just do some simple dataframe operations in an infinite loop. There seems to be something fundamentally wrong with the timeout configurations in the core of Spark. We will open a case for that as no matter what kind of configurations we have tried, the problem insists. ... View more