tdas commented on a change in pull request #32914:
URL: https://github.com/apache/spark/pull/32914#discussion_r652207235
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/SymmetricHashJoinStateManager.scala
##########
@@ -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:
it would be even better if with some scala magic the default
implementation could be provided. but its not obvious to me how, because this
is calling the copy constructor which is not available in any trait.
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