Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/4027#discussion_r25138507
--- 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)
+
// Cores we have acquired with each Mesos task ID
val coresByTaskId = new HashMap[Int, Int]
var totalCoresAcquired = 0
- val slaveIdsWithExecutors = new HashSet[String]
+ // Contains a mapping of slave ids to the number of executors launched.
+ val slaveIdsWithExecutors = new HashMap[String, Int]
--- End diff --
Since we changed this variable to a HashMap with a different meaning, shall
we change the name of this variable?
"slaveIdsToExecutorNumber"?
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