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[SPARK-49678][CORE] Support spark.test.master in SparkSubmitArguments #48126

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[SPARK-49678][CORE] Support spark.test.master in SparkSubmitArguments #48126

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3 changes: 2 additions & 1 deletion core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,8 @@ private[deploy] class SparkSubmitArguments(args: Seq[String], env: Map[String, S
extends SparkSubmitArgumentsParser with Logging {
var maybeMaster: Option[String] = None
// Global defaults. These should be keep to minimum to avoid confusing behavior.
def master: String = maybeMaster.getOrElse("local[*]")
def master: String =
maybeMaster.getOrElse(System.getProperty("spark.test.master", "local[*]"))
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@HyukjinKwon HyukjinKwon Sep 17, 2024

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The change is fine but just curious. Why can't we just set spark.master instead? The Python documentation build actually works fine in my mac fwiw.

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@dongjoon-hyun dongjoon-hyun Sep 17, 2024 •
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Yes, we can change it to accept spark.master here.

Why can't we just set spark.master instead?

For the following questions, I guess you already have #48129 to limit the number of SparkSubmit. It mitigate the situation. This PR and #48129 aims to two layers (Spark Submission and Spark local executor cores) during Python documentation generation. This PR is still valid for many core machines like c6i.24xlarge.

The Python documentation build actually works fine in my mac fwiw.

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@dongjoon-hyun dongjoon-hyun Sep 17, 2024 •
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BTW, the reason why I didn't use spark.master directly is that it could have some side effects in K8s side. Let me check that part to make ti sure, @HyukjinKwon .

var maybeRemote: Option[String] = None
var deployMode: String = null
var executorMemory: String = null
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