Description
I am using Spark 2.1.1 and Scala 2.11 with Livy. When I have a session open for about an hour or so, I see the memory of the Spark driver growing out of control.
I think it is related to this since a session is a spark shell/scala REPL: https://issues.scala-lang.org/browse/SI-4331
See attached analysis from Eclipse Memory Analyzer Tool.