yaooqinn commented on a change in pull request #31119:
URL: https://github.com/apache/spark/pull/31119#discussion_r559283541
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/BroadcastExchangeExec.scala
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@@ -74,7 +74,10 @@ case class BroadcastExchangeExec(
child: SparkPlan) extends BroadcastExchangeLike {
import BroadcastExchangeExec._
- override val runId: UUID = UUID.randomUUID
+ // Cancelling a SQL statement from Spark ThriftServer needs to cancel
+ // its related broadcast sub-jobs. So set the run id to job group id if
exists.
+ override val runId: UUID =
Option(sparkContext.getLocalProperty(SparkContext.SPARK_JOB_GROUP_ID))
Review comment:
W/ a conf(maybe named `spark.jobGroubID.inherited`) to decide whether
the `runId` is re-generated or inherited from the former specified one. Users
may develop applications like ThriftServer in C/S architecture as a server-like
spark program.
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