vanzin commented on a change in pull request #19616: [SPARK-22404][YARN]
Provide an option to use unmanaged AM in yarn-client mode
URL: https://github.com/apache/spark/pull/19616#discussion_r242715378
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
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@@ -617,7 +625,14 @@ private[spark] class ApplicationMaster(args:
ApplicationMasterArguments) extends
try {
val preserveFiles = sparkConf.get(PRESERVE_STAGING_FILES)
if (!preserveFiles) {
- stagingDirPath = new Path(System.getenv("SPARK_YARN_STAGING_DIR"))
+ var stagingDir = System.getenv("SPARK_YARN_STAGING_DIR")
+ if (stagingDir == null) {
+ val appStagingBaseDir = sparkConf.get(STAGING_DIR).map { new Path(_)
}
Review comment:
This looks similar to the logic in `Client.scala`. Maybe the value
calculated there should be plumbed through, instead of adding this code.
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