Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/spark/pull/21721#discussion_r206392487
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/streaming/progress.scala ---
@@ -163,7 +163,8 @@ class SourceProgress protected[sql](
val endOffset: String,
val numInputRows: Long,
val inputRowsPerSecond: Double,
- val processedRowsPerSecond: Double) extends Serializable {
+ val processedRowsPerSecond: Double,
+ val customMetrics: Option[JValue] = None) extends Serializable {
--- End diff --
@HyukjinKwon
Nice finding. I missed it while reviewing.
Btw, FYI, in #21469 I'm adding new field with default value in
StateOperatorProgress, like `val customMetrics: ju.Map[String, JLong] = new
ju.HashMap()` and MiMa doesn't complain.
https://github.com/apache/spark/pull/21469/files#diff-e09301244e3c6b1a69eda6c4bd2ddb52
@arunmahadevan
Maybe `ju.Map[String, JLong]` will also work here.
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