Github user WangTaoTheTonic commented on a diff in the pull request: https://github.com/apache/spark/pull/3841#discussion_r22372988 --- 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 -- I am not sure I understand your point. User still could set this configuration via SparkConf as we just read its value from SparkConf and set it to system properties here.
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