cloud-fan commented on a change in pull request #31984:
URL: https://github.com/apache/spark/pull/31984#discussion_r603143204
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/dynamicpruning/PartitionPruning.scala
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@@ -48,6 +49,10 @@ import
org.apache.spark.sql.execution.datasources.{HadoopFsRelation, LogicalRela
*/
object PartitionPruning extends Rule[LogicalPlan] with PredicateHelper with
JoinSelectionHelper {
+ private val buildBroadcastThreshold = math.max(
+
AUTO_BROADCASTJOIN_THRESHOLD.defaultValue.getOrElse(conf.autoBroadcastJoinThreshold),
Review comment:
Why it must be smaller than 10 mb even if users have changed the value
of `autoBroadcastJoinThreshold`? I don't understand the rationale here.
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