ericm-db commented on code in PR #42066:
URL: https://github.com/apache/spark/pull/42066#discussion_r1280181850
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStore.scala:
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@@ -440,6 +441,16 @@ object StateStore extends Logging {
@GuardedBy("loadedProviders")
private val schemaValidated = new mutable.HashMap[StateStoreProviderId,
Option[Throwable]]()
+ private val maintenanceThreadPoolLock = new Object
+
+ private val threadPoolException = new AtomicReference[Throwable](null)
Review Comment:
Yeah this was an approach outlined by Jungtaek which we also use in async
progress tracking.
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