Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/2516#discussion_r18911938
--- Diff:
core/src/main/scala/org/apache/spark/deploy/SparkSubmitDriverBootstrapper.scala
---
@@ -50,71 +51,69 @@ private[spark] object SparkSubmitDriverBootstrapper {
val javaOpts = sys.env("JAVA_OPTS")
val defaultDriverMemory = sys.env("OUR_JAVA_MEM")
- // Spark submit specific environment variables
- val deployMode = sys.env("SPARK_SUBMIT_DEPLOY_MODE")
- val propertiesFile = sys.env("SPARK_SUBMIT_PROPERTIES_FILE")
+ // SPARK_SUBMIT_BOOTSTRAP_DRIVER is used for runtime validation
val bootstrapDriver = sys.env("SPARK_SUBMIT_BOOTSTRAP_DRIVER")
- val submitDriverMemory = sys.env.get("SPARK_SUBMIT_DRIVER_MEMORY")
- val submitLibraryPath = sys.env.get("SPARK_SUBMIT_LIBRARY_PATH")
- val submitClasspath = sys.env.get("SPARK_SUBMIT_CLASSPATH")
- val submitJavaOpts = sys.env.get("SPARK_SUBMIT_OPTS")
+
+ // list of environment variables that override differently named
properties
+ val envOverides = Map( "OUR_JAVA_MEM" -> SPARK_DRIVER_MEMORY,
+ "SPARK_SUBMIT_DEPLOY_MODE" -> SPARK_DEPLOY_MODE,
+ "SPARK_SUBMIT_DRIVER_MEMORY" -> SPARK_DRIVER_MEMORY,
+ "SPARK_SUBMIT_LIBRARY_PATH" -> SPARK_DRIVER_EXTRA_LIBRARY_PATH,
+ "SPARK_SUBMIT_CLASSPATH" -> SPARK_DRIVER_EXTRA_CLASSPATH,
+ "SPARK_SUBMIT_OPTS" -> SPARK_DRIVER_EXTRA_JAVA_OPTIONS
+ )
+
+ /* SPARK_SUBMIT environment variables are treated as the highest
priority source
--- End diff --
nit: use single-line comments.
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