Privatize SparkConf.translateConfKey

Author: Andrew Or

core/src/main/scala/org/apache/spark/SparkConf.scala

@@ -407,7 +407,7 @@ private[spark] object SparkConf extends Logging {
    * @param warn Whether to print a warning if the key is deprecated. Warnings will be printed
    *             only once for each key.
    */
-  def translateConfKey(userKey: String, warn: Boolean = false): String = {
+  private def translateConfKey(userKey: String, warn: Boolean = false): String = {
     deprecatedConfigs.get(userKey)
       .map { deprecatedKey =>
         if (warn) {

core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala

@@ -49,8 +49,8 @@ private[history] class FsHistoryProvider(conf: SparkConf) extends ApplicationHis
 
   // Interval between each check for event log updates
   private val UPDATE_INTERVAL_MS = conf.getOption("spark.history.fs.update.interval.seconds")
-    .orElse(conf.getOption(SparkConf.translateConfKey("spark.history.fs.updateInterval", true)))
-    .orElse(conf.getOption(SparkConf.translateConfKey("spark.history.updateInterval", true)))
+    .orElse(conf.getOption("spark.history.fs.updateInterval"))
+    .orElse(conf.getOption("spark.history.updateInterval"))
     .map(_.toInt)
     .getOrElse(10) * 1000