ulysses-you commented on code in PR #41979:
URL: https://github.com/apache/spark/pull/41979#discussion_r1262276980
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sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/BroadcastExchangeExec.scala:
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@@ -45,9 +45,15 @@ import org.apache.spark.util.{SparkFatalException,
ThreadUtils}
trait BroadcastExchangeLike extends Exchange {
/**
- * The broadcast job group ID
+ * The broadcast run ID in job tag
*/
- def runId: UUID = UUID.randomUUID
+ @transient
+ val runId: UUID = UUID.randomUUID
Review Comment:
This is interesting.. Let me remove it for safe.
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