Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3841#discussion_r22356634
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -176,6 +176,10 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
logInfo(s"Running Spark version $SPARK_VERSION")
private[spark] val conf = config.clone()
+ val portRetriesConf = conf.getOption("spark.port.maxRetries")
+ if (portRetriesConf.isDefined) {
+ System.setProperty("spark.port.maxRetries", portRetriesConf.get)
--- End diff --
Won't changing from SparkConf to system properties break the ability to set
this configuration via SparkConf?
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