dongjoon-hyun commented on a change in pull request #29654:
URL: https://github.com/apache/spark/pull/29654#discussion_r487647841
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/compression/compressionSchemes.scala
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@@ -182,8 +181,7 @@ private[columnar] case object RunLengthEncoding extends
CompressionScheme {
private var _uncompressedSize = 0
private var _compressedSize = 0
- // Using `MutableRow` to store the last value to avoid boxing/unboxing
cost.
Review comment:
The benchmark result does. Please let us know if we need other
validation, @cloud-fan .
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