Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/8931#discussion_r42062981
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/TungstenAggregate.scala
---
@@ -40,7 +40,9 @@ case class TungstenAggregate(
override private[sql] lazy val metrics = Map(
"numInputRows" -> SQLMetrics.createLongMetric(sparkContext, "number of
input rows"),
- "numOutputRows" -> SQLMetrics.createLongMetric(sparkContext, "number
of output rows"))
+ "numOutputRows" -> SQLMetrics.createLongMetric(sparkContext, "number
of output rows"),
+ "dataSize" -> SQLMetrics.createSizeMetric(sparkContext, "data size"),
+ "spilledSize" -> SQLMetrics.createSizeMetric(sparkContext, "spilled
size"))
--- End diff --
I think this can just be `spill size`. If you change this then you should
also change all the variable names
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