jerryshao commented on a change in pull request #23401: [SPARK-26513][Core] :
Trigger GC on executor node idle
URL: https://github.com/apache/spark/pull/23401#discussion_r245186725
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File path: core/src/main/scala/org/apache/spark/executor/Executor.scala
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@@ -628,6 +630,22 @@ private[spark] class Executor(
}
} finally {
runningTasks.remove(taskId)
+ if(idleGCEnabled) {
+ if (runningTasks.isEmpty) {
Review comment:
Yes, that's my concern. Executor doesn't have lots of information to check
whether it will be idle for how long time. The current way of checking seems
not so good.
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