Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/18512#discussion_r125312200
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
---
@@ -904,22 +906,14 @@ object SparkSession {
// No active nor global default session. Create a new one.
val sparkContext = userSuppliedContext.getOrElse {
- // set app name if not given
- val randomAppName = java.util.UUID.randomUUID().toString
val sparkConf = new SparkConf()
options.foreach { case (k, v) => sparkConf.set(k, v) }
- if (!sparkConf.contains("spark.app.name")) {
- sparkConf.setAppName(randomAppName)
- }
- val sc = SparkContext.getOrCreate(sparkConf)
- // maybe this is an existing SparkContext, update its SparkConf
which maybe used
- // by SparkSession
- options.foreach { case (k, v) => sc.conf.set(k, v) }
- if (!sc.conf.contains("spark.app.name")) {
- sc.conf.setAppName(randomAppName)
- }
- sc
+ // set a random app name if not given.
+ sparkConf.setAppName(options.getOrElse("spark.app.name",
+ java.util.UUID.randomUUID().toString))
+ SparkContext.getOrCreate(sparkConf)
}
+ options.foreach { case (k, v) => sparkContext.conf.set(k, v) }
--- End diff --
Then, how do you think about #18501 using `initialSessionOptions`? That is
used only once.
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