Ngone51 commented on a change in pull request #23842: [SPARK-26927]Fix race
condition may cause dynamic allocation not working
URL: https://github.com/apache/spark/pull/23842#discussion_r260357545
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File path: core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
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@@ -566,6 +574,13 @@ private[spark] class ExecutorAllocationManager(
if (executorIds.contains(executorId)) {
executorIds.remove(executorId)
removeTimes.remove(executorId)
+ if (!removedExecutorIds.offer(executorId)) {
+ logWarning(s"The queue is full for tracking removed executors, will
trim old " +
+ s"executor ids and offer again")
+ val trimSize = math.max(1, removedExecutorIds.size() / 10)
Review comment:
It seems `trimSize` would always be `MAXIMUM_NUM_REMOVED_EXECUTORS` / 10.
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