viirya commented on a change in pull request #23519: [SPARK-26601][SQL] Make
broadcast-exchange thread pool configurable
URL: https://github.com/apache/spark/pull/23519#discussion_r247758895
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/ExchangeSuite.scala
##########
@@ -132,4 +132,12 @@ class ExchangeSuite extends SparkPlanTest with
SharedSQLContext {
val projection2 = cached.select("_1", "_3").queryExecution.executedPlan
assert(!projection1.sameResult(projection2))
}
+
+ test("SPARK-26601: Make broadcast-exchange thread pool configurable") {
+
+ withSQLConf(StaticSQLConf.MAX_BROADCAST_EXCHANGE_THREADNUMBER.key -> "1") {
Review comment:
This can't change static config. You might need to create a new SparkSession
to change this config.
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