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_r249318022
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/StaticSQLConf.scala
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@@ -126,4 +126,13 @@ object StaticSQLConf {
.intConf
.createWithDefault(1000)
+ val MAX_BROADCAST_EXCHANGE_THREADNUMBER =
+ buildStaticConf("spark.sql.broadcastExchange.maxThreadNumber")
+ .doc("The maximum degree of parallelism to fetch and broadcast the
table.If we " +
+ "encounter memory issue when broadcast table we can decrease this
number." +
Review comment:
`this number in order to ...`
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