sririshindra commented on a change in pull request #31477:
URL: https://github.com/apache/spark/pull/31477#discussion_r585976985
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastHashJoinExec.scala
##########
@@ -57,7 +57,8 @@ case class BroadcastHashJoinExec(
}
override lazy val metrics = Map(
- "numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number of output
rows"))
+ "numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number of output
rows"),
+ "numMatchedRows" -> SQLMetrics.createMetric(sparkContext, "number of
matched rows"))
Review comment:
I ran the benchmark and I see a clear performance degradation for
query-16 and query-94. All the other queries seem to be fine. I will debug why
there is a performance degradation for query-16 & query-94.
https://docs.google.com/document/d/16_cjk3g3_7mMH2C_T9bsFroxaH_CihJkXINYirt-mtg/edit?usp=sharing
cc: @cloud-fan
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