I don't think it is possible to have less than 1 core for AM, this is due
to yarn not spark.
The number of AM comparing to the number of executors should be small and
acceptable. If you do want to save more resources, I would suggest you to
use yarn cluster mode where driver and AM run in the
Hello,
I run a Spark cluster on YARN, and we have a bunch of client-mode applications
we use for interactive work. Whenever we start one of this, an application
master container is started.
My understanding is that this is mostly an empty shell, used to request further
containers or get
