[GitHub] [spark] viirya commented on a change in pull request #30162: [SPARK-33263][SS] Configurable StateStore compression codec

[GitBox <gi...@apache.org>]

viirya commented on a change in pull request #30162:
URL: https://github.com/apache/spark/pull/30162#discussion_r513177486



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File path: sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/OffsetSeq.scala
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@@ -89,10 +89,15 @@ case class OffsetSeqMetadata(
 
 object OffsetSeqMetadata extends Logging {
   private implicit val format = Serialization.formats(NoTypeHints)
+  /**
+   * These configs are related to streaming query execution and should not be changed across
+   * batches of a streaming query. The values of these configs are persisted into the offset
+   * log in the checkpoint position.
+   */

Review comment:
       Added some comments to notify readers.




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