Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21469#discussion_r192308080
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/HDFSBackedStateStoreProvider.scala
---
@@ -181,6 +182,12 @@ private[state] class HDFSBackedStateStoreProvider
extends StateStoreProvider wit
}
}
+ def getCustomMetricsForProvider(): Map[StateStoreCustomMetric, Long] = {
--- End diff --
tiny nit:
```scala
def getCustomMetricsForProvider(): Map[StateStoreCustomMetric, Long] =
synchronized {
Map(metricProviderLoaderMapSize -> SizeEstimator.estimate(loadedMaps))
}
```
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