HeartSaVioR commented on a change in pull request #34502:
URL: https://github.com/apache/spark/pull/34502#discussion_r751808093
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDB.scala
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@@ -112,8 +112,20 @@ class RocksDB(
closeDB()
val metadata = fileManager.loadCheckpointFromDfs(version, workingDir)
openDB()
- numKeysOnWritingVersion = metadata.numKeys
- numKeysOnLoadedVersion = metadata.numKeys
+
+ val numKeys = if (!conf.trackTotalNumberOfRows) {
+ // we don't track the total number of rows - discard the number
being track
+ -1L
Review comment:
https://github.com/apache/spark/blob/6450f6bfa9697fbdd81d93d88bbfd2459b3837d3/sql/core/src/main/scala/org/apache/spark/sql/execution/metric/SQLMetrics.scala#L40-L44
Even we separate the values for "no key" vs "don't know", the value will go
through SQLMetric and negative values are not contributing on accumulation.
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