Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/21771#discussion_r202530444 --- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala --- @@ -1555,6 +1559,9 @@ class SparkContext(config: SparkConf) extends Logging { Utils.fetchFile(uri.toString, new File(SparkFiles.getRootDirectory()), conf, env.securityManager, hadoopConfiguration, timestamp, useCache = false) postEnvironmentUpdate() + } else { + logWarning(s"The path $path has been added already. Overwriting of added paths " + --- End diff -- How does it relate to `spark.files.overwrite`?
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