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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