cloud-fan commented on a change in pull request #32786:
URL: https://github.com/apache/spark/pull/32786#discussion_r646424411
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/CollectMetricsExec.scala
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@@ -60,16 +62,22 @@ case class CollectMetricsExec(
override protected def doExecute(): RDD[InternalRow] = {
val collector = accumulator
collector.reset()
+ val updaterMap = mutable.Map[Long, AggregatingAccumulator]()
Review comment:
Does this really work? This map is defined on the driver side and then
we are updating it on the executor side.
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