zinking commented on a change in pull request #32914:
URL: https://github.com/apache/spark/pull/32914#discussion_r651701263
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/SymmetricHashJoinStateManager.scala
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@@ -319,15 +319,7 @@ class SymmetricHashJoinStateManager(
keyWithIndexToValueMetrics.numKeys, // represent each buffered row
only once
keyToNumValuesMetrics.memoryUsedBytes +
keyWithIndexToValueMetrics.memoryUsedBytes,
keyWithIndexToValueMetrics.customMetrics.map {
- case (s @ StateStoreCustomSumMetric(_, desc), value) =>
Review comment:
didn't quite get why it worths the effort, you have add code either here
or in the case class. no difference to me.
or maybe you can save the effort by provide some default implementation.
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