Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/17480#discussion_r109870073
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -249,7 +249,14 @@ private[spark] class ExecutorAllocationManager(
* yarn-client mode when AM re-registers after a failure.
*/
def reset(): Unit = synchronized {
- initializing = true
+ /**
+ * When some tasks need to be scheduled, resetting the initializing
field may cause
+ * it to not be set to false in yarn.
--- End diff --
Also can you elaborate more, I think this issue only exists in initial
executor = 0 and stages are running scenario
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