Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/incubator-spark/pull/641#discussion_r9996518
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -373,25 +375,26 @@ class DAGScheduler(
} else {
def removeStage(stageId: Int) {
// data structures based on Stage
- stageIdToStage.get(stageId).foreach { s =>
- if (running.contains(s)) {
+ for (stage <- stageIdToStage.get(stageId)) {
+ if (running.contains(stage)) {
logDebug("Removing running stage %d".format(stageId))
- running -= s
+ running -= stage
+ }
+ stageToInfos -= stage
+ for (shuffleDep <- stage.shuffleDep) {
+ shuffleToMapStage.remove(shuffleDep.shuffleId)
}
- stageToInfos -= s
- shuffleToMapStage.keys.filter(shuffleToMapStage(_) ==
s).foreach(shuffleId =>
- shuffleToMapStage.remove(shuffleId))
- if (pendingTasks.contains(s) && !pendingTasks(s).isEmpty) {
+ if (pendingTasks.contains(stage) &&
!pendingTasks(stage).isEmpty) {
logDebug("Removing pending status for stage
%d".format(stageId))
}
- pendingTasks -= s
--- End diff --
Doing so would introduce both a bug and a logging error. Removing an empty
Set from pendingTasks is normal, expected and desired behavior at this point.
And only unexpected clean-up is intended to be logged.
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