Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/15505#discussion_r97211797
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -602,6 +619,20 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
Future.successful(false)
}
-private[spark] object CoarseGrainedSchedulerBackend {
+private[spark] object CoarseGrainedSchedulerBackend extends Logging {
val ENDPOINT_NAME = "CoarseGrainedScheduler"
+ // abort TaskSetManager without exception
+ def abortTaskSetManager(
+ scheduler: TaskSchedulerImpl,
+ taskId: Long,
+ msg: => String,
+ exception: Option[Throwable] = None): Unit = {
+ scheduler.taskIdToTaskSetManager.get(taskId).foreach { taskSetMgr =>
+ try {
+ taskSetMgr.abort(msg, exception)
--- End diff --
`taskSetMgr.abort` is thread safety, It looks fine from the calling code.
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