Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19663#discussion_r149544880
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
---
@@ -687,6 +687,20 @@ private[spark] class Client(
private def createConfArchive(): File = {
val hadoopConfFiles = new HashMap[String, File]()
+ // SPARK_CONF_DIR shows up in the classpath before
HADOOP_CONF_DIR/YARN_CONF_DIR
+ val localConfDir = System.getProperty("SPARK_CONF_DIR",
+ System.getProperty("SPARK_HOME") + File.separator + "conf")
+ val dir = new File(localConfDir)
+ if (dir.isDirectory) {
+ val files = dir.listFiles(new FileFilter {
+ override def accept(pathname: File): Boolean = {
+ pathname.isFile && pathname.getName.endsWith("xml")
+ }
+ })
+ files.foreach { f => hadoopConfFiles(f.getName) = f }
+ }
+
+ // Ensure HADOOP_CONF_DIR/YARN_CONF_DIR not overriding existing files
--- End diff --
This comment doesn't make a lot of sense, at least not in this position.
What are you trying to say?
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