Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18301#discussion_r124585667
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/TungstenAggregationIterator.scala
---
@@ -367,6 +367,10 @@ class TungstenAggregationIterator(
}
}
+ // Updating average hashmap probe after processing input rows. So even
the iterator of result
+ // rows is not consumed to the last record, we still can show the metric.
+ avgHashProbe.set(hashMap.getAverageProbesPerLookup())
--- End diff --
yea I think so, as the last record may not always be reached.
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