HyukjinKwon commented on code in PR #47434:
URL: https://github.com/apache/spark/pull/47434#discussion_r1734017065
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/SparkSession.scala:
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@@ -859,6 +865,49 @@ object SparkSession extends Logging {
}
}
+ /**
+ * Create a new Spark Connect server to connect locally.
+ */
+ private[sql] def withLocalConnectServer[T](f: => T): T = {
+ synchronized {
+ val remoteString = initOptions
+ .get("spark.remote")
+ .orElse(Option(System.getProperty("spark.remote"))) // Set from Spark
Submit
+ .orElse(sys.env.get(SparkConnectClient.SPARK_REMOTE))
Review Comment:
Yeah, they are basically more and less same.
- Here, it gets `remoteString`, and below, check if they are `local[...]` or
`local-cluster[...]`.
- If so, it starts a Spark Connect server by either `local[...]` or
`local-cluster[...]`
- Then sets `spark.remote` to `sc://localhost"` in order to create a Spark
Connect client.
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