xuanyuanking commented on a change in pull request #25235:
[WIP][SPARK-28483][Core] Fix canceling a spark job using barrier mode but
barrier tasks do not exit
URL: https://github.com/apache/spark/pull/25235#discussion_r306880454
##########
File path: core/src/main/scala/org/apache/spark/rpc/RpcEndpointRef.scala
##########
@@ -92,4 +92,18 @@ private[spark] abstract class RpcEndpointRef(conf:
SparkConf)
timeout.awaitResult(future)
}
+ def askSyncWithInterruptCheck[T: ClassTag](
+ message: Any,
+ timeout: RpcTimeout,
+ interruptCheck: () => Unit): T = {
+ val future = ask[T](message, timeout)
+ while(!future.isCompleted) {
+ interruptCheck()
+ Thread.sleep(10)
Review comment:
Um, so there still has the possibility(very unlikely) if the tasks are
killed during the 10ms?
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