yaooqinn commented on code in PR #42904:
URL: https://github.com/apache/spark/pull/42904#discussion_r1325338571


##########
core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala:
##########
@@ -53,6 +54,8 @@ private[spark] trait SchedulerBackend {
       reason: String): Unit =
     throw new UnsupportedOperationException
 
+  def getTaskThreadDump(taskId: Long, executorId: String): 
Option[ThreadStackTrace]

Review Comment:
   Currently, it depends on the `spark.rpc.askTimeout/spark.network.timeout`, I 
am not sure if we need a separate timeout key for some particular case like here



##########
core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala:
##########
@@ -53,6 +54,8 @@ private[spark] trait SchedulerBackend {
       reason: String): Unit =
     throw new UnsupportedOperationException
 
+  def getTaskThreadDump(taskId: Long, executorId: String): 
Option[ThreadStackTrace]

Review Comment:
   Currently, it depends on the `spark.rpc.askTimeout/spark.network.timeout`, I 
am not sure if we need a separate timeout key for some particular cases like 
here



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