[GitHub] [spark] ericm-db commented on a diff in pull request #42012: [SPARK-44440][SS] Use thread pool to perform maintenance activity for hdfs/rocksdb state store providers

["ericm-db (via GitHub)" <gi...@apache.org>]

ericm-db commented on code in PR #42012:
URL: https://github.com/apache/spark/pull/42012#discussion_r1264777289


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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStore.scala:
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@@ -439,6 +439,14 @@ object StateStore extends Logging {
   @GuardedBy("loadedProviders")
   private val schemaValidated = new mutable.HashMap[StateStoreProviderId, Option[Throwable]]()
 
+  private val threadPoolLock = new Object

Review Comment:
   Sure. I think this refactor might be out of the scope of this PR, but this makes sense to me.



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