Ngone51 commented on a change in pull request #29468:
URL: https://github.com/apache/spark/pull/29468#discussion_r473641668
##########
File path:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
##########
@@ -1062,25 +1062,38 @@ private[spark] class TaskSchedulerImpl(
}
def getExecutorsAliveOnHost(host: String): Option[Set[String]] =
synchronized {
- hostToExecutors.get(host).map(_.toSet)
+
hostToExecutors.get(host).map(_.filterNot(isExecutorDecommissioned)).map(_.toSet)
}
def hasExecutorsAliveOnHost(host: String): Boolean = synchronized {
- hostToExecutors.contains(host)
+ hostToExecutors.get(host)
+ .exists(executors => executors.exists(e => !isExecutorDecommissioned(e)))
}
def hasHostAliveOnRack(rack: String): Boolean = synchronized {
- hostsByRack.contains(rack)
+ hostsByRack.get(rack)
+ .exists(hosts => hosts.exists(h => !isHostDecommissioned(h)))
}
def isExecutorAlive(execId: String): Boolean = synchronized {
- executorIdToRunningTaskIds.contains(execId)
+ executorIdToRunningTaskIds.contains(execId) &&
!isExecutorDecommissioned(execId)
}
def isExecutorBusy(execId: String): Boolean = synchronized {
executorIdToRunningTaskIds.get(execId).exists(_.nonEmpty)
}
+ // exposed for test
+ protected def isExecutorDecommissioned(execId: String): Boolean =
+ getExecutorDecommissionInfo(execId).nonEmpty ||
isHostDecommissioned(executorIdToHost(execId))
Review comment:
make sense to me.
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