[GitHub] [spark] srowen commented on a change in pull request #24555: [SPARK-27656][GraphX][WIP] Safely register class for GraphX

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srowen commented on a change in pull request #24555: [SPARK-27656][GraphX][WIP] Safely register class for GraphX
URL: https://github.com/apache/spark/pull/24555#discussion_r282148211
 
 

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 File path: core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala
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 @@ -488,7 +510,13 @@ private[serializer] object KryoSerializer {
     classOf[StorageLevel],
     classOf[CompressedMapStatus],
     classOf[HighlyCompressedMapStatus],
+    classOf[BitSet],
     classOf[CompactBuffer[_]],
+    classOf[OpenHashSet[Int]],
 
 Review comment:
   Are these actually different types, if the generic type is all that varies?

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