Github user skonto commented on a diff in the pull request:
https://github.com/apache/spark/pull/19510#discussion_r145936265
--- Diff:
resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala
---
@@ -64,6 +64,7 @@ private[spark] class MesosCoarseGrainedSchedulerBackend(
private val MAX_SLAVE_FAILURES = 2
private val maxCoresOption =
conf.getOption("spark.cores.max").map(_.toInt)
+ private val maxMemOption =
conf.getOption("spark.mem.max").map(Utils.memoryStringToMb)
--- End diff --
Exception I think would ok, the idea if something is never going to work
let the user know, especially for the novice user or the minimum would be a
warning if we dont want an exception thrown.
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