Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/23204#discussion_r238323331 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala --- @@ -483,8 +470,6 @@ private[execution] final class LongToUnsafeRowMap(val mm: TaskMemoryManager, cap */ def getValue(key: Long, resultRow: UnsafeRow): UnsafeRow = { if (isDense) { - numKeyLookups += 1 - numProbes += 1 --- End diff -- +1, like I said in https://github.com/apache/spark/pull/23204/files#r238257371
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