HyukjinKwon 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_r248621249
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/ExchangeSuite.scala
##########
@@ -132,4 +136,29 @@ 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") {
+ val sparkConf = new SparkConf()
+ .set(StaticSQLConf.MAX_BROADCAST_EXCHANGE_THREADNUMBER.key, "1")
+ .set("spark.driver.allowMultipleContexts", "true")
Review comment:
`allowMultipleContexts` this is removed out as of
https://github.com/apache/spark/pull/23311
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