Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/14079#discussion_r77279202
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -800,6 +842,86 @@ private[spark] class TaskSetManager(
maybeFinishTaskSet()
}
+ private[scheduler] def updateBlacklistForFailedTask(
+ host: String,
+ exec: String,
+ index: Int): Unit = {
+ val execFailures = execToFailures.getOrElseUpdate(exec, new
ExecutorFailuresInTaskSet(host))
+ execFailures.updateWithFailure(index, clock.getTimeMillis() +
+ blacklistTracker.get.BLACKLIST_TIMEOUT_MILLIS)
+
+ // check if this task has also failed on other executors on the same
host -- if its gone
+ // over the limit, blacklist it from the entire host
+ val execsWithFailuresOnNode =
nodeToExecsWithFailures.getOrElseUpdate(host, new HashSet())
+ execsWithFailuresOnNode += exec
+ val failuresOnHost = execsWithFailuresOnNode.toIterator.map { exec =>
+ execToFailures.get(exec).map { failures =>
--- End diff --
make this a flatMap to avoid the getOrElse below?
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