Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/3711#discussion_r22777939
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
---
@@ -344,12 +354,20 @@ private[spark] class MesosSchedulerBackend(
override def frameworkMessage(d: SchedulerDriver, e: ExecutorID, s:
SlaveID, b: Array[Byte]) {}
+ /**
+ * Remove executor associated with slaveId in a thread safe manner.
+ */
+ private def removeExecutor(slaveId: String) = {
+ synchronized {
--- End diff --
Gotcha, can you just add a TODO in the comment saying to review the
sychronization?
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