Github user jinxing64 commented on a diff in the pull request: https://github.com/apache/spark/pull/16989#discussion_r111734780 --- Diff: core/src/main/scala/org/apache/spark/scheduler/MapStatus.scala --- @@ -133,36 +135,53 @@ private[spark] class HighlyCompressedMapStatus private ( private[this] var loc: BlockManagerId, private[this] var numNonEmptyBlocks: Int, private[this] var emptyBlocks: RoaringBitmap, - private[this] var avgSize: Long) + private[this] var avgSize: Long, + private[this] var hugeBlockSizes: HashMap[Int, Byte]) extends MapStatus with Externalizable { // loc could be null when the default constructor is called during deserialization require(loc == null || avgSize > 0 || numNonEmptyBlocks == 0, "Average size can only be zero for map stages that produced no output") - protected def this() = this(null, -1, null, -1) // For deserialization only + def this() = this(null, -1, null, -1, null) // For deserialization only --- End diff -- Remove the `protected` and make this visible for test.
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