Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/4027#discussion_r25112596
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala
---
@@ -63,20 +63,25 @@ private[spark] class CoarseMesosSchedulerBackend(
// Maximum number of cores to acquire (TODO: we'll need more flexible
controls here)
val maxCores = conf.get("spark.cores.max", Int.MaxValue.toString).toInt
+ val maxExecutorsPerSlave =
conf.getInt("spark.mesos.coarse.executors.max", 1)
+ val maxCpusPerExecutor = conf.getInt("spark.mesos.coarse.cores.max",
Int.MaxValue)
--- End diff --
by the way, I just remembered that we already have `spark.executor.cores`,
which is currently only used in YARN but we can reuse that here as well. In
other words, `spark.mesos.coarse.coresPerExecutor` -> `spark.executor.cores`
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