Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/17543#discussion_r110009919
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1281,10 +1281,24 @@ class DAGScheduler(
val failedStage = stageIdToStage(task.stageId)
val mapStage = shuffleIdToMapStage(shuffleId)
+ def invalidateLostFilesAndExecutor(): Unit = {
+ // Mark the map whose fetch failed as broken in the map stage
+ if (mapId != -1) {
+ mapStage.removeOutputLoc(mapId, bmAddress)
+ mapOutputTracker.unregisterMapOutput(shuffleId, mapId,
bmAddress)
+ }
+
+ // TODO: mark the executor as failed only if there were lots of
fetch failures on it
+ if (bmAddress != null) {
+ handleExecutorLost(bmAddress.executorId, filesLost = true,
Some(task.epoch))
--- End diff --
Why do you need to invalidate the whole executor here?
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