siknezevic commented on a change in pull request #27246:
[SPARK-30536][CORE][SQL] Sort-merge join operator spilling performance
improvements
URL: https://github.com/apache/spark/pull/27246#discussion_r369932384
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/ExternalAppendOnlyUnsafeRowArray.scala
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@@ -106,6 +107,8 @@ private[sql] class ExternalAppendOnlyUnsafeRowArray(
def add(unsafeRow: UnsafeRow): Unit = {
if (numRows < numRowsInMemoryBufferThreshold) {
inMemoryBuffer += unsafeRow.copy()
+ numRows += 1
Review comment:
Yes, make sense. I will push new change in the coming days. Thank you
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