Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20754#discussion_r174116645
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -291,9 +291,6 @@ private[spark] class ExecutorAllocationManager(
*/
private def schedule(): Unit = synchronized {
val now = clock.getTimeMillis
-
- updateAndSyncNumExecutorsTarget(now)
--- End diff --
IIUC the code is arranged intentionally to avoid ramp down initial
executors until first job is submitted/idle executor is timeout, also cc
@jerryshao
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